diff options
author | robot-contrib <robot-contrib@yandex-team.com> | 2024-08-30 01:56:09 +0300 |
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committer | robot-contrib <robot-contrib@yandex-team.com> | 2024-08-30 02:04:31 +0300 |
commit | 5ab5e4a928098266e48f17dda320768580201dd9 (patch) | |
tree | 4a18e0ac7c24018aa2b0335ae303719c1b983cf6 | |
parent | e10d6638f07a82edae3ea8197b9f5c0affcc07ea (diff) | |
download | ydb-5ab5e4a928098266e48f17dda320768580201dd9.tar.gz |
Update contrib/restricted/fast_float to 6.1.4
2399fc13672287abc5f394aa3bf84e8c40014791
11 files changed, 1621 insertions, 1461 deletions
diff --git a/contrib/restricted/fast_float/README.md b/contrib/restricted/fast_float/README.md index fdc3dc7913..9c2e188fa9 100644 --- a/contrib/restricted/fast_float/README.md +++ b/contrib/restricted/fast_float/README.md @@ -379,7 +379,7 @@ the command line help. You may directly download automatically generated single-header files: -https://github.com/fastfloat/fast_float/releases/download/v6.1.3/fast_float.h +https://github.com/fastfloat/fast_float/releases/download/v6.1.4/fast_float.h ## RFC 7159 diff --git a/contrib/restricted/fast_float/include/fast_float/ascii_number.h b/contrib/restricted/fast_float/include/fast_float/ascii_number.h index 4abe84b3e8..c027435e2a 100644 --- a/contrib/restricted/fast_float/include/fast_float/ascii_number.h +++ b/contrib/restricted/fast_float/include/fast_float/ascii_number.h @@ -20,8 +20,7 @@ namespace fast_float { -template <typename UC> -fastfloat_really_inline constexpr bool has_simd_opt() { +template <typename UC> fastfloat_really_inline constexpr bool has_simd_opt() { #ifdef FASTFLOAT_HAS_SIMD return std::is_same<UC, char16_t>::value; #else @@ -37,24 +36,20 @@ fastfloat_really_inline constexpr bool is_integer(UC c) noexcept { } fastfloat_really_inline constexpr uint64_t byteswap(uint64_t val) { - return (val & 0xFF00000000000000) >> 56 - | (val & 0x00FF000000000000) >> 40 - | (val & 0x0000FF0000000000) >> 24 - | (val & 0x000000FF00000000) >> 8 - | (val & 0x00000000FF000000) << 8 - | (val & 0x0000000000FF0000) << 24 - | (val & 0x000000000000FF00) << 40 - | (val & 0x00000000000000FF) << 56; + return (val & 0xFF00000000000000) >> 56 | (val & 0x00FF000000000000) >> 40 | + (val & 0x0000FF0000000000) >> 24 | (val & 0x000000FF00000000) >> 8 | + (val & 0x00000000FF000000) << 8 | (val & 0x0000000000FF0000) << 24 | + (val & 0x000000000000FF00) << 40 | (val & 0x00000000000000FF) << 56; } // Read 8 UC into a u64. Truncates UC if not char. template <typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t read8_to_u64(const UC *chars) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +read8_to_u64(const UC *chars) { if (cpp20_and_in_constexpr() || !std::is_same<UC, char>::value) { uint64_t val = 0; - for(int i = 0; i < 8; ++i) { - val |= uint64_t(uint8_t(*chars)) << (i*8); + for (int i = 0; i < 8; ++i) { + val |= uint64_t(uint8_t(*chars)) << (i * 8); ++chars; } return val; @@ -70,44 +65,41 @@ uint64_t read8_to_u64(const UC *chars) { #ifdef FASTFLOAT_SSE2 -fastfloat_really_inline -uint64_t simd_read8_to_u64(const __m128i data) { -FASTFLOAT_SIMD_DISABLE_WARNINGS +fastfloat_really_inline uint64_t simd_read8_to_u64(const __m128i data) { + FASTFLOAT_SIMD_DISABLE_WARNINGS const __m128i packed = _mm_packus_epi16(data, data); #ifdef FASTFLOAT_64BIT return uint64_t(_mm_cvtsi128_si64(packed)); #else uint64_t value; // Visual Studio + older versions of GCC don't support _mm_storeu_si64 - _mm_storel_epi64(reinterpret_cast<__m128i*>(&value), packed); + _mm_storel_epi64(reinterpret_cast<__m128i *>(&value), packed); return value; #endif -FASTFLOAT_SIMD_RESTORE_WARNINGS + FASTFLOAT_SIMD_RESTORE_WARNINGS } -fastfloat_really_inline -uint64_t simd_read8_to_u64(const char16_t* chars) { -FASTFLOAT_SIMD_DISABLE_WARNINGS - return simd_read8_to_u64(_mm_loadu_si128(reinterpret_cast<const __m128i*>(chars))); -FASTFLOAT_SIMD_RESTORE_WARNINGS +fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t *chars) { + FASTFLOAT_SIMD_DISABLE_WARNINGS + return simd_read8_to_u64( + _mm_loadu_si128(reinterpret_cast<const __m128i *>(chars))); + FASTFLOAT_SIMD_RESTORE_WARNINGS } #elif defined(FASTFLOAT_NEON) - -fastfloat_really_inline -uint64_t simd_read8_to_u64(const uint16x8_t data) { -FASTFLOAT_SIMD_DISABLE_WARNINGS +fastfloat_really_inline uint64_t simd_read8_to_u64(const uint16x8_t data) { + FASTFLOAT_SIMD_DISABLE_WARNINGS uint8x8_t utf8_packed = vmovn_u16(data); return vget_lane_u64(vreinterpret_u64_u8(utf8_packed), 0); -FASTFLOAT_SIMD_RESTORE_WARNINGS + FASTFLOAT_SIMD_RESTORE_WARNINGS } -fastfloat_really_inline -uint64_t simd_read8_to_u64(const char16_t* chars) { -FASTFLOAT_SIMD_DISABLE_WARNINGS - return simd_read8_to_u64(vld1q_u16(reinterpret_cast<const uint16_t*>(chars))); -FASTFLOAT_SIMD_RESTORE_WARNINGS +fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t *chars) { + FASTFLOAT_SIMD_DISABLE_WARNINGS + return simd_read8_to_u64( + vld1q_u16(reinterpret_cast<const uint16_t *>(chars))); + FASTFLOAT_SIMD_RESTORE_WARNINGS } #endif // FASTFLOAT_SSE2 @@ -119,13 +111,13 @@ template <typename UC> template <typename UC, FASTFLOAT_ENABLE_IF(!has_simd_opt<UC>()) = 0> #endif // dummy for compile -uint64_t simd_read8_to_u64(UC const*) { +uint64_t simd_read8_to_u64(UC const *) { return 0; } // credit @aqrit -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -uint32_t parse_eight_digits_unrolled(uint64_t val) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint32_t +parse_eight_digits_unrolled(uint64_t val) { const uint64_t mask = 0x000000FF000000FF; const uint64_t mul1 = 0x000F424000000064; // 100 + (1000000ULL << 32) const uint64_t mul2 = 0x0000271000000001; // 1 + (10000ULL << 32) @@ -135,38 +127,38 @@ uint32_t parse_eight_digits_unrolled(uint64_t val) { return uint32_t(val); } - // Call this if chars are definitely 8 digits. template <typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint32_t parse_eight_digits_unrolled(UC const * chars) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint32_t +parse_eight_digits_unrolled(UC const *chars) noexcept { if (cpp20_and_in_constexpr() || !has_simd_opt<UC>()) { return parse_eight_digits_unrolled(read8_to_u64(chars)); // truncation okay } return parse_eight_digits_unrolled(simd_read8_to_u64(chars)); } - // credit @aqrit -fastfloat_really_inline constexpr bool is_made_of_eight_digits_fast(uint64_t val) noexcept { +fastfloat_really_inline constexpr bool +is_made_of_eight_digits_fast(uint64_t val) noexcept { return !((((val + 0x4646464646464646) | (val - 0x3030303030303030)) & - 0x8080808080808080)); + 0x8080808080808080)); } - #ifdef FASTFLOAT_HAS_SIMD // Call this if chars might not be 8 digits. -// Using this style (instead of is_made_of_eight_digits_fast() then parse_eight_digits_unrolled()) -// ensures we don't load SIMD registers twice. -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool simd_parse_if_eight_digits_unrolled(const char16_t* chars, uint64_t& i) noexcept { +// Using this style (instead of is_made_of_eight_digits_fast() then +// parse_eight_digits_unrolled()) ensures we don't load SIMD registers twice. +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +simd_parse_if_eight_digits_unrolled(const char16_t *chars, + uint64_t &i) noexcept { if (cpp20_and_in_constexpr()) { return false; - } + } #ifdef FASTFLOAT_SSE2 -FASTFLOAT_SIMD_DISABLE_WARNINGS - const __m128i data = _mm_loadu_si128(reinterpret_cast<const __m128i*>(chars)); + FASTFLOAT_SIMD_DISABLE_WARNINGS + const __m128i data = + _mm_loadu_si128(reinterpret_cast<const __m128i *>(chars)); // (x - '0') <= 9 // http://0x80.pl/articles/simd-parsing-int-sequences.html @@ -176,13 +168,13 @@ FASTFLOAT_SIMD_DISABLE_WARNINGS if (_mm_movemask_epi8(t1) == 0) { i = i * 100000000 + parse_eight_digits_unrolled(simd_read8_to_u64(data)); return true; - } - else return false; -FASTFLOAT_SIMD_RESTORE_WARNINGS + } else + return false; + FASTFLOAT_SIMD_RESTORE_WARNINGS #elif defined(FASTFLOAT_NEON) -FASTFLOAT_SIMD_DISABLE_WARNINGS - const uint16x8_t data = vld1q_u16(reinterpret_cast<const uint16_t*>(chars)); - + FASTFLOAT_SIMD_DISABLE_WARNINGS + const uint16x8_t data = vld1q_u16(reinterpret_cast<const uint16_t *>(chars)); + // (x - '0') <= 9 // http://0x80.pl/articles/simd-parsing-int-sequences.html const uint16x8_t t0 = vsubq_u16(data, vmovq_n_u16('0')); @@ -191,11 +183,12 @@ FASTFLOAT_SIMD_DISABLE_WARNINGS if (vminvq_u16(mask) == 0xFFFF) { i = i * 100000000 + parse_eight_digits_unrolled(simd_read8_to_u64(data)); return true; - } - else return false; -FASTFLOAT_SIMD_RESTORE_WARNINGS + } else + return false; + FASTFLOAT_SIMD_RESTORE_WARNINGS #else - (void)chars; (void)i; + (void)chars; + (void)i; return false; #endif // FASTFLOAT_SSE2 } @@ -209,52 +202,87 @@ template <typename UC> template <typename UC, FASTFLOAT_ENABLE_IF(!has_simd_opt<UC>()) = 0> #endif // dummy for compile -bool simd_parse_if_eight_digits_unrolled(UC const*, uint64_t&) { +bool simd_parse_if_eight_digits_unrolled(UC const *, uint64_t &) { return 0; } - template <typename UC, FASTFLOAT_ENABLE_IF(!std::is_same<UC, char>::value) = 0> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void loop_parse_if_eight_digits(const UC*& p, const UC* const pend, uint64_t& i) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +loop_parse_if_eight_digits(const UC *&p, const UC *const pend, uint64_t &i) { if (!has_simd_opt<UC>()) { return; } - while ((std::distance(p, pend) >= 8) && simd_parse_if_eight_digits_unrolled(p, i)) { // in rare cases, this will overflow, but that's ok + while ((std::distance(p, pend) >= 8) && + simd_parse_if_eight_digits_unrolled( + p, i)) { // in rare cases, this will overflow, but that's ok p += 8; } } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void loop_parse_if_eight_digits(const char*& p, const char* const pend, uint64_t& i) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +loop_parse_if_eight_digits(const char *&p, const char *const pend, + uint64_t &i) { // optimizes better than parse_if_eight_digits_unrolled() for UC = char. - while ((std::distance(p, pend) >= 8) && is_made_of_eight_digits_fast(read8_to_u64(p))) { - i = i * 100000000 + parse_eight_digits_unrolled(read8_to_u64(p)); // in rare cases, this will overflow, but that's ok + while ((std::distance(p, pend) >= 8) && + is_made_of_eight_digits_fast(read8_to_u64(p))) { + i = i * 100000000 + + parse_eight_digits_unrolled(read8_to_u64( + p)); // in rare cases, this will overflow, but that's ok p += 8; } } -template <typename UC> -struct parsed_number_string_t { +enum class parse_error { + no_error, + // [JSON-only] The minus sign must be followed by an integer. + missing_integer_after_sign, + // A sign must be followed by an integer or dot. + missing_integer_or_dot_after_sign, + // [JSON-only] The integer part must not have leading zeros. + leading_zeros_in_integer_part, + // [JSON-only] The integer part must have at least one digit. + no_digits_in_integer_part, + // [JSON-only] If there is a decimal point, there must be digits in the + // fractional part. + no_digits_in_fractional_part, + // The mantissa must have at least one digit. + no_digits_in_mantissa, + // Scientific notation requires an exponential part. + missing_exponential_part, +}; + +template <typename UC> struct parsed_number_string_t { int64_t exponent{0}; uint64_t mantissa{0}; - UC const * lastmatch{nullptr}; + UC const *lastmatch{nullptr}; bool negative{false}; bool valid{false}; bool too_many_digits{false}; // contains the range of the significant digits span<const UC> integer{}; // non-nullable span<const UC> fraction{}; // nullable + parse_error error{parse_error::no_error}; }; using byte_span = span<const char>; using parsed_number_string = parsed_number_string_t<char>; +template <typename UC> +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC> +report_parse_error(UC const *p, parse_error error) { + parsed_number_string_t<UC> answer; + answer.valid = false; + answer.lastmatch = p; + answer.error = error; + return answer; +} + // Assuming that you use no more than 19 digits, this will // parse an ASCII string. template <typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -parsed_number_string_t<UC> parse_number_string(UC const *p, UC const * pend, parse_options_t<UC> options) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC> +parse_number_string(UC const *p, UC const *pend, + parse_options_t<UC> options) noexcept { chars_format const fmt = options.format; UC const decimal_point = options.decimal_point; @@ -269,19 +297,24 @@ parsed_number_string_t<UC> parse_number_string(UC const *p, UC const * pend, par #endif ++p; if (p == pend) { - return answer; + return report_parse_error<UC>( + p, parse_error::missing_integer_or_dot_after_sign); } if (fmt & FASTFLOAT_JSONFMT) { if (!is_integer(*p)) { // a sign must be followed by an integer - return answer; - } + return report_parse_error<UC>(p, + parse_error::missing_integer_after_sign); + } } else { - if (!is_integer(*p) && (*p != decimal_point)) { // a sign must be followed by an integer or the dot - return answer; + if (!is_integer(*p) && + (*p != + decimal_point)) { // a sign must be followed by an integer or the dot + return report_parse_error<UC>( + p, parse_error::missing_integer_or_dot_after_sign); } } } - UC const * const start_digits = p; + UC const *const start_digits = p; uint64_t i = 0; // an unsigned int avoids signed overflows (which are bad) @@ -289,16 +322,21 @@ parsed_number_string_t<UC> parse_number_string(UC const *p, UC const * pend, par // a multiplication by 10 is cheaper than an arbitrary integer // multiplication i = 10 * i + - uint64_t(*p - UC('0')); // might overflow, we will handle the overflow later + uint64_t(*p - + UC('0')); // might overflow, we will handle the overflow later ++p; } - UC const * const end_of_integer_part = p; + UC const *const end_of_integer_part = p; int64_t digit_count = int64_t(end_of_integer_part - start_digits); answer.integer = span<const UC>(start_digits, size_t(digit_count)); if (fmt & FASTFLOAT_JSONFMT) { // at least 1 digit in integer part, without leading zeros - if (digit_count == 0 || (start_digits[0] == UC('0') && digit_count > 1)) { - return answer; + if (digit_count == 0) { + return report_parse_error<UC>(p, parse_error::no_digits_in_integer_part); + } + if ((start_digits[0] == UC('0') && digit_count > 1)) { + return report_parse_error<UC>(start_digits, + parse_error::leading_zeros_in_integer_part); } } @@ -306,7 +344,7 @@ parsed_number_string_t<UC> parse_number_string(UC const *p, UC const * pend, par const bool has_decimal_point = (p != pend) && (*p == decimal_point); if (has_decimal_point) { ++p; - UC const * before = p; + UC const *before = p; // can occur at most twice without overflowing, but let it occur more, since // for integers with many digits, digit parsing is the primary bottleneck. loop_parse_if_eight_digits(p, pend, i); @@ -323,35 +361,39 @@ parsed_number_string_t<UC> parse_number_string(UC const *p, UC const * pend, par if (fmt & FASTFLOAT_JSONFMT) { // at least 1 digit in fractional part if (has_decimal_point && exponent == 0) { - return answer; + return report_parse_error<UC>(p, + parse_error::no_digits_in_fractional_part); } - } - else if (digit_count == 0) { // we must have encountered at least one integer! - return answer; + } else if (digit_count == + 0) { // we must have encountered at least one integer! + return report_parse_error<UC>(p, parse_error::no_digits_in_mantissa); } - int64_t exp_number = 0; // explicit exponential part - if ( ((fmt & chars_format::scientific) && - (p != pend) && - ((UC('e') == *p) || (UC('E') == *p))) - || - ((fmt & FASTFLOAT_FORTRANFMT) && - (p != pend) && - ((UC('+') == *p) || (UC('-') == *p) || (UC('d') == *p) || (UC('D') == *p)))) { - UC const * location_of_e = p; - if ((UC('e') == *p) || (UC('E') == *p) || (UC('d') == *p) || (UC('D') == *p)) { + int64_t exp_number = 0; // explicit exponential part + if (((fmt & chars_format::scientific) && (p != pend) && + ((UC('e') == *p) || (UC('E') == *p))) || + ((fmt & FASTFLOAT_FORTRANFMT) && (p != pend) && + ((UC('+') == *p) || (UC('-') == *p) || (UC('d') == *p) || + (UC('D') == *p)))) { + UC const *location_of_e = p; + if ((UC('e') == *p) || (UC('E') == *p) || (UC('d') == *p) || + (UC('D') == *p)) { ++p; } bool neg_exp = false; if ((p != pend) && (UC('-') == *p)) { neg_exp = true; ++p; - } else if ((p != pend) && (UC('+') == *p)) { // '+' on exponent is allowed by C++17 20.19.3.(7.1) + } else if ((p != pend) && + (UC('+') == + *p)) { // '+' on exponent is allowed by C++17 20.19.3.(7.1) ++p; } if ((p == pend) || !is_integer(*p)) { - if(!(fmt & chars_format::fixed)) { - // We are in error. - return answer; + if (!(fmt & chars_format::fixed)) { + // The exponential part is invalid for scientific notation, so it must + // be a trailing token for fixed notation. However, fixed notation is + // disabled, so report a scientific notation error. + return report_parse_error<UC>(p, parse_error::missing_exponential_part); } // Otherwise, we will be ignoring the 'e'. p = location_of_e; @@ -363,12 +405,16 @@ parsed_number_string_t<UC> parse_number_string(UC const *p, UC const * pend, par } ++p; } - if(neg_exp) { exp_number = - exp_number; } + if (neg_exp) { + exp_number = -exp_number; + } exponent += exp_number; } } else { // If it scientific and not fixed, we have to bail out. - if((fmt & chars_format::scientific) && !(fmt & chars_format::fixed)) { return answer; } + if ((fmt & chars_format::scientific) && !(fmt & chars_format::fixed)) { + return report_parse_error<UC>(p, parse_error::missing_exponential_part); + } } answer.lastmatch = p; answer.valid = true; @@ -383,9 +429,11 @@ parsed_number_string_t<UC> parse_number_string(UC const *p, UC const * pend, par // We have to handle the case where we have 0.0000somenumber. // We need to be mindful of the case where we only have zeroes... // E.g., 0.000000000...000. - UC const * start = start_digits; + UC const *start = start_digits; while ((start != pend) && (*start == UC('0') || *start == decimal_point)) { - if(*start == UC('0')) { digit_count --; } + if (*start == UC('0')) { + digit_count--; + } start++; } @@ -396,18 +444,17 @@ parsed_number_string_t<UC> parse_number_string(UC const *p, UC const * pend, par // pre-tokenized spans from above. i = 0; p = answer.integer.ptr; - UC const* int_end = p + answer.integer.len(); - const uint64_t minimal_nineteen_digit_integer{ 1000000000000000000 }; + UC const *int_end = p + answer.integer.len(); + const uint64_t minimal_nineteen_digit_integer{1000000000000000000}; while ((i < minimal_nineteen_digit_integer) && (p != int_end)) { i = i * 10 + uint64_t(*p - UC('0')); ++p; } if (i >= minimal_nineteen_digit_integer) { // We have a big integers exponent = end_of_integer_part - p + exp_number; - } - else { // We have a value with a fractional component. + } else { // We have a value with a fractional component. p = answer.fraction.ptr; - UC const* frac_end = p + answer.fraction.len(); + UC const *frac_end = p + answer.fraction.len(); while ((i < minimal_nineteen_digit_integer) && (p != frac_end)) { i = i * 10 + uint64_t(*p - UC('0')); ++p; @@ -423,11 +470,11 @@ parsed_number_string_t<UC> parse_number_string(UC const *p, UC const * pend, par } template <typename T, typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -from_chars_result_t<UC> parse_int_string(UC const* p, UC const* pend, T& value, int base) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> +parse_int_string(UC const *p, UC const *pend, T &value, int base) { from_chars_result_t<UC> answer; - - UC const* const first = p; + + UC const *const first = p; bool negative = (*p == UC('-')); if (!std::is_signed<T>::value && negative) { @@ -443,15 +490,15 @@ from_chars_result_t<UC> parse_int_string(UC const* p, UC const* pend, T& value, ++p; } - UC const* const start_num = p; + UC const *const start_num = p; - while (p!= pend && *p == UC('0')) { - ++p; + while (p != pend && *p == UC('0')) { + ++p; } const bool has_leading_zeros = p > start_num; - UC const* const start_digits = p; + UC const *const start_digits = p; uint64_t i = 0; if (base == 10) { @@ -463,9 +510,9 @@ from_chars_result_t<UC> parse_int_string(UC const* p, UC const* pend, T& value, break; } i = uint64_t(base) * i + digit; // might overflow, check this later - p++; + p++; } - + size_t digit_count = size_t(p - start_digits); if (digit_count == 0) { @@ -473,12 +520,11 @@ from_chars_result_t<UC> parse_int_string(UC const* p, UC const* pend, T& value, value = 0; answer.ec = std::errc(); answer.ptr = p; - } - else { + } else { answer.ec = std::errc::invalid_argument; answer.ptr = first; } - return answer; + return answer; } answer.ptr = p; @@ -489,7 +535,8 @@ from_chars_result_t<UC> parse_int_string(UC const* p, UC const* pend, T& value, answer.ec = std::errc::result_out_of_range; return answer; } - // this check can be eliminated for all other types, but they will all require a max_digits(base) equivalent + // this check can be eliminated for all other types, but they will all require + // a max_digits(base) equivalent if (digit_count == max_digits && i < min_safe_u64(base)) { answer.ec = std::errc::result_out_of_range; return answer; @@ -506,18 +553,22 @@ from_chars_result_t<UC> parse_int_string(UC const* p, UC const* pend, T& value, if (negative) { #ifdef FASTFLOAT_VISUAL_STUDIO #pragma warning(push) -#pragma warning(disable: 4146) +#pragma warning(disable : 4146) #endif // this weird workaround is required because: - // - converting unsigned to signed when its value is greater than signed max is UB pre-C++23. + // - converting unsigned to signed when its value is greater than signed max + // is UB pre-C++23. // - reinterpret_casting (~i + 1) would work, but it is not constexpr - // this is always optimized into a neg instruction (note: T is an integer type) - value = T(-std::numeric_limits<T>::max() - T(i - uint64_t(std::numeric_limits<T>::max()))); + // this is always optimized into a neg instruction (note: T is an integer + // type) + value = T(-std::numeric_limits<T>::max() - + T(i - uint64_t(std::numeric_limits<T>::max()))); #ifdef FASTFLOAT_VISUAL_STUDIO #pragma warning(pop) #endif + } else { + value = T(i); } - else { value = T(i); } answer.ec = std::errc(); return answer; diff --git a/contrib/restricted/fast_float/include/fast_float/bigint.h b/contrib/restricted/fast_float/include/fast_float/bigint.h index 5076b47cc5..92c3d5b192 100644 --- a/contrib/restricted/fast_float/include/fast_float/bigint.h +++ b/contrib/restricted/fast_float/include/fast_float/bigint.h @@ -37,8 +37,7 @@ constexpr size_t bigint_limbs = bigint_bits / limb_bits; // vector-like type that is allocated on the stack. the entire // buffer is pre-allocated, and only the length changes. -template <uint16_t size> -struct stackvec { +template <uint16_t size> struct stackvec { limb data[size]; // we never need more than 150 limbs uint16_t length{0}; @@ -54,16 +53,16 @@ struct stackvec { FASTFLOAT_ASSERT(try_extend(s)); } - FASTFLOAT_CONSTEXPR14 limb& operator[](size_t index) noexcept { + FASTFLOAT_CONSTEXPR14 limb &operator[](size_t index) noexcept { FASTFLOAT_DEBUG_ASSERT(index < length); return data[index]; } - FASTFLOAT_CONSTEXPR14 const limb& operator[](size_t index) const noexcept { + FASTFLOAT_CONSTEXPR14 const limb &operator[](size_t index) const noexcept { FASTFLOAT_DEBUG_ASSERT(index < length); return data[index]; } // index from the end of the container - FASTFLOAT_CONSTEXPR14 const limb& rindex(size_t index) const noexcept { + FASTFLOAT_CONSTEXPR14 const limb &rindex(size_t index) const noexcept { FASTFLOAT_DEBUG_ASSERT(index < length); size_t rindex = length - index - 1; return data[rindex]; @@ -73,15 +72,9 @@ struct stackvec { FASTFLOAT_CONSTEXPR14 void set_len(size_t len) noexcept { length = uint16_t(len); } - constexpr size_t len() const noexcept { - return length; - } - constexpr bool is_empty() const noexcept { - return length == 0; - } - constexpr size_t capacity() const noexcept { - return size; - } + constexpr size_t len() const noexcept { return length; } + constexpr bool is_empty() const noexcept { return length == 0; } + constexpr size_t capacity() const noexcept { return size; } // append item to vector, without bounds checking FASTFLOAT_CONSTEXPR14 void push_unchecked(limb value) noexcept { data[length] = value; @@ -98,7 +91,7 @@ struct stackvec { } // add items to the vector, from a span, without bounds checking FASTFLOAT_CONSTEXPR20 void extend_unchecked(limb_span s) noexcept { - limb* ptr = data + length; + limb *ptr = data + length; std::copy_n(s.ptr, s.len(), ptr); set_len(len() + s.len()); } @@ -118,8 +111,8 @@ struct stackvec { void resize_unchecked(size_t new_len, limb value) noexcept { if (new_len > len()) { size_t count = new_len - len(); - limb* first = data + len(); - limb* last = first + count; + limb *first = data + len(); + limb *last = first + count; ::std::fill(first, last, value); set_len(new_len); } else { @@ -155,21 +148,21 @@ struct stackvec { } }; -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -uint64_t empty_hi64(bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t +empty_hi64(bool &truncated) noexcept { truncated = false; return 0; } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint64_hi64(uint64_t r0, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint64_hi64(uint64_t r0, bool &truncated) noexcept { truncated = false; int shl = leading_zeroes(r0); return r0 << shl; } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint64_hi64(uint64_t r0, uint64_t r1, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint64_hi64(uint64_t r0, uint64_t r1, bool &truncated) noexcept { int shl = leading_zeroes(r0); if (shl == 0) { truncated = r1 != 0; @@ -181,20 +174,20 @@ uint64_t uint64_hi64(uint64_t r0, uint64_t r1, bool& truncated) noexcept { } } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint32_hi64(uint32_t r0, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint32_hi64(uint32_t r0, bool &truncated) noexcept { return uint64_hi64(r0, truncated); } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint32_hi64(uint32_t r0, uint32_t r1, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint32_hi64(uint32_t r0, uint32_t r1, bool &truncated) noexcept { uint64_t x0 = r0; uint64_t x1 = r1; return uint64_hi64((x0 << 32) | x1, truncated); } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint32_hi64(uint32_t r0, uint32_t r1, uint32_t r2, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint32_hi64(uint32_t r0, uint32_t r1, uint32_t r2, bool &truncated) noexcept { uint64_t x0 = r0; uint64_t x1 = r1; uint64_t x2 = r2; @@ -205,17 +198,17 @@ uint64_t uint32_hi64(uint32_t r0, uint32_t r1, uint32_t r2, bool& truncated) noe // we want an efficient operation. for msvc, where // we don't have built-in intrinsics, this is still // pretty fast. -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -limb scalar_add(limb x, limb y, bool& overflow) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb +scalar_add(limb x, limb y, bool &overflow) noexcept { limb z; // gcc and clang #if defined(__has_builtin) - #if __has_builtin(__builtin_add_overflow) - if (!cpp20_and_in_constexpr()) { - overflow = __builtin_add_overflow(x, y, &z); - return z; - } - #endif +#if __has_builtin(__builtin_add_overflow) + if (!cpp20_and_in_constexpr()) { + overflow = __builtin_add_overflow(x, y, &z); + return z; + } +#endif #endif // generic, this still optimizes correctly on MSVC. @@ -225,24 +218,24 @@ limb scalar_add(limb x, limb y, bool& overflow) noexcept { } // multiply two small integers, getting both the high and low bits. -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -limb scalar_mul(limb x, limb y, limb& carry) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb +scalar_mul(limb x, limb y, limb &carry) noexcept { #ifdef FASTFLOAT_64BIT_LIMB - #if defined(__SIZEOF_INT128__) +#if defined(__SIZEOF_INT128__) // GCC and clang both define it as an extension. __uint128_t z = __uint128_t(x) * __uint128_t(y) + __uint128_t(carry); carry = limb(z >> limb_bits); return limb(z); - #else +#else // fallback, no native 128-bit integer multiplication with carry. // on msvc, this optimizes identically, somehow. value128 z = full_multiplication(x, y); bool overflow; z.low = scalar_add(z.low, carry, overflow); - z.high += uint64_t(overflow); // cannot overflow + z.high += uint64_t(overflow); // cannot overflow carry = z.high; return z.low; - #endif +#endif #else uint64_t z = uint64_t(x) * uint64_t(y) + uint64_t(carry); carry = limb(z >> limb_bits); @@ -253,8 +246,8 @@ limb scalar_mul(limb x, limb y, limb& carry) noexcept { // add scalar value to bigint starting from offset. // used in grade school multiplication template <uint16_t size> -inline FASTFLOAT_CONSTEXPR20 -bool small_add_from(stackvec<size>& vec, limb y, size_t start) noexcept { +inline FASTFLOAT_CONSTEXPR20 bool small_add_from(stackvec<size> &vec, limb y, + size_t start) noexcept { size_t index = start; limb carry = y; bool overflow; @@ -271,15 +264,15 @@ bool small_add_from(stackvec<size>& vec, limb y, size_t start) noexcept { // add scalar value to bigint. template <uint16_t size> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool small_add(stackvec<size>& vec, limb y) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +small_add(stackvec<size> &vec, limb y) noexcept { return small_add_from(vec, y, 0); } // multiply bigint by scalar value. template <uint16_t size> -inline FASTFLOAT_CONSTEXPR20 -bool small_mul(stackvec<size>& vec, limb y) noexcept { +inline FASTFLOAT_CONSTEXPR20 bool small_mul(stackvec<size> &vec, + limb y) noexcept { limb carry = 0; for (size_t index = 0; index < vec.len(); index++) { vec[index] = scalar_mul(vec[index], y, carry); @@ -293,12 +286,12 @@ bool small_mul(stackvec<size>& vec, limb y) noexcept { // add bigint to bigint starting from index. // used in grade school multiplication template <uint16_t size> -FASTFLOAT_CONSTEXPR20 -bool large_add_from(stackvec<size>& x, limb_span y, size_t start) noexcept { +FASTFLOAT_CONSTEXPR20 bool large_add_from(stackvec<size> &x, limb_span y, + size_t start) noexcept { // the effective x buffer is from `xstart..x.len()`, so exit early // if we can't get that current range. if (x.len() < start || y.len() > x.len() - start) { - FASTFLOAT_TRY(x.try_resize(y.len() + start, 0)); + FASTFLOAT_TRY(x.try_resize(y.len() + start, 0)); } bool carry = false; @@ -324,15 +317,14 @@ bool large_add_from(stackvec<size>& x, limb_span y, size_t start) noexcept { // add bigint to bigint. template <uint16_t size> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool large_add_from(stackvec<size>& x, limb_span y) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +large_add_from(stackvec<size> &x, limb_span y) noexcept { return large_add_from(x, y, 0); } // grade-school multiplication algorithm template <uint16_t size> -FASTFLOAT_CONSTEXPR20 -bool long_mul(stackvec<size>& x, limb_span y) noexcept { +FASTFLOAT_CONSTEXPR20 bool long_mul(stackvec<size> &x, limb_span y) noexcept { limb_span xs = limb_span(x.data, x.len()); stackvec<size> z(xs); limb_span zs = limb_span(z.data, z.len()); @@ -360,8 +352,7 @@ bool long_mul(stackvec<size>& x, limb_span y) noexcept { // grade-school multiplication algorithm template <uint16_t size> -FASTFLOAT_CONSTEXPR20 -bool large_mul(stackvec<size>& x, limb_span y) noexcept { +FASTFLOAT_CONSTEXPR20 bool large_mul(stackvec<size> &x, limb_span y) noexcept { if (y.len() == 1) { FASTFLOAT_TRY(small_mul(x, y[0])); } else { @@ -370,36 +361,54 @@ bool large_mul(stackvec<size>& x, limb_span y) noexcept { return true; } -template <typename = void> -struct pow5_tables { +template <typename = void> struct pow5_tables { static constexpr uint32_t large_step = 135; static constexpr uint64_t small_power_of_5[] = { - 1UL, 5UL, 25UL, 125UL, 625UL, 3125UL, 15625UL, 78125UL, 390625UL, - 1953125UL, 9765625UL, 48828125UL, 244140625UL, 1220703125UL, - 6103515625UL, 30517578125UL, 152587890625UL, 762939453125UL, - 3814697265625UL, 19073486328125UL, 95367431640625UL, 476837158203125UL, - 2384185791015625UL, 11920928955078125UL, 59604644775390625UL, - 298023223876953125UL, 1490116119384765625UL, 7450580596923828125UL, + 1UL, + 5UL, + 25UL, + 125UL, + 625UL, + 3125UL, + 15625UL, + 78125UL, + 390625UL, + 1953125UL, + 9765625UL, + 48828125UL, + 244140625UL, + 1220703125UL, + 6103515625UL, + 30517578125UL, + 152587890625UL, + 762939453125UL, + 3814697265625UL, + 19073486328125UL, + 95367431640625UL, + 476837158203125UL, + 2384185791015625UL, + 11920928955078125UL, + 59604644775390625UL, + 298023223876953125UL, + 1490116119384765625UL, + 7450580596923828125UL, }; #ifdef FASTFLOAT_64BIT_LIMB constexpr static limb large_power_of_5[] = { - 1414648277510068013UL, 9180637584431281687UL, 4539964771860779200UL, - 10482974169319127550UL, 198276706040285095UL}; + 1414648277510068013UL, 9180637584431281687UL, 4539964771860779200UL, + 10482974169319127550UL, 198276706040285095UL}; #else constexpr static limb large_power_of_5[] = { - 4279965485U, 329373468U, 4020270615U, 2137533757U, 4287402176U, - 1057042919U, 1071430142U, 2440757623U, 381945767U, 46164893U}; + 4279965485U, 329373468U, 4020270615U, 2137533757U, 4287402176U, + 1057042919U, 1071430142U, 2440757623U, 381945767U, 46164893U}; #endif }; -template <typename T> -constexpr uint32_t pow5_tables<T>::large_step; +template <typename T> constexpr uint32_t pow5_tables<T>::large_step; -template <typename T> -constexpr uint64_t pow5_tables<T>::small_power_of_5[]; +template <typename T> constexpr uint64_t pow5_tables<T>::small_power_of_5[]; -template <typename T> -constexpr limb pow5_tables<T>::large_power_of_5[]; +template <typename T> constexpr limb pow5_tables<T>::large_power_of_5[]; // big integer type. implements a small subset of big integer // arithmetic, using simple algorithms since asymptotically @@ -409,13 +418,13 @@ struct bigint : pow5_tables<> { // storage of the limbs, in little-endian order. stackvec<bigint_limbs> vec; - FASTFLOAT_CONSTEXPR20 bigint(): vec() {} + FASTFLOAT_CONSTEXPR20 bigint() : vec() {} bigint(const bigint &) = delete; bigint &operator=(const bigint &) = delete; bigint(bigint &&) = delete; bigint &operator=(bigint &&other) = delete; - FASTFLOAT_CONSTEXPR20 bigint(uint64_t value): vec() { + FASTFLOAT_CONSTEXPR20 bigint(uint64_t value) : vec() { #ifdef FASTFLOAT_64BIT_LIMB vec.push_unchecked(value); #else @@ -427,7 +436,7 @@ struct bigint : pow5_tables<> { // get the high 64 bits from the vector, and if bits were truncated. // this is to get the significant digits for the float. - FASTFLOAT_CONSTEXPR20 uint64_t hi64(bool& truncated) const noexcept { + FASTFLOAT_CONSTEXPR20 uint64_t hi64(bool &truncated) const noexcept { #ifdef FASTFLOAT_64BIT_LIMB if (vec.len() == 0) { return empty_hi64(truncated); @@ -446,7 +455,8 @@ struct bigint : pow5_tables<> { } else if (vec.len() == 2) { return uint32_hi64(vec.rindex(0), vec.rindex(1), truncated); } else { - uint64_t result = uint32_hi64(vec.rindex(0), vec.rindex(1), vec.rindex(2), truncated); + uint64_t result = + uint32_hi64(vec.rindex(0), vec.rindex(1), vec.rindex(2), truncated); truncated |= vec.nonzero(3); return result; } @@ -459,7 +469,7 @@ struct bigint : pow5_tables<> { // positive, this is larger, otherwise they are equal. // the limbs are stored in little-endian order, so we // must compare the limbs in ever order. - FASTFLOAT_CONSTEXPR20 int compare(const bigint& other) const noexcept { + FASTFLOAT_CONSTEXPR20 int compare(const bigint &other) const noexcept { if (vec.len() > other.vec.len()) { return 1; } else if (vec.len() < other.vec.len()) { @@ -512,12 +522,12 @@ struct bigint : pow5_tables<> { return false; } else if (!vec.is_empty()) { // move limbs - limb* dst = vec.data + n; - const limb* src = vec.data; + limb *dst = vec.data + n; + const limb *src = vec.data; std::copy_backward(src, src + vec.len(), dst + vec.len()); // fill in empty limbs - limb* first = vec.data; - limb* last = first + n; + limb *first = vec.data; + limb *last = first + n; ::std::fill(first, last, 0); vec.set_len(n + vec.len()); return true; @@ -560,18 +570,12 @@ struct bigint : pow5_tables<> { return int(limb_bits * vec.len()) - lz; } - FASTFLOAT_CONSTEXPR20 bool mul(limb y) noexcept { - return small_mul(vec, y); - } + FASTFLOAT_CONSTEXPR20 bool mul(limb y) noexcept { return small_mul(vec, y); } - FASTFLOAT_CONSTEXPR20 bool add(limb y) noexcept { - return small_add(vec, y); - } + FASTFLOAT_CONSTEXPR20 bool add(limb y) noexcept { return small_add(vec, y); } // multiply as if by 2 raised to a power. - FASTFLOAT_CONSTEXPR20 bool pow2(uint32_t exp) noexcept { - return shl(exp); - } + FASTFLOAT_CONSTEXPR20 bool pow2(uint32_t exp) noexcept { return shl(exp); } // multiply as if by 5 raised to a power. FASTFLOAT_CONSTEXPR20 bool pow5(uint32_t exp) noexcept { @@ -597,9 +601,8 @@ struct bigint : pow5_tables<> { // Work around clang bug https://godbolt.org/z/zedh7rrhc // This is similar to https://github.com/llvm/llvm-project/issues/47746, // except the workaround described there don't work here - FASTFLOAT_TRY( - small_mul(vec, limb(((void)small_power_of_5[0], small_power_of_5[exp]))) - ); + FASTFLOAT_TRY(small_mul( + vec, limb(((void)small_power_of_5[0], small_power_of_5[exp])))); } return true; diff --git a/contrib/restricted/fast_float/include/fast_float/constexpr_feature_detect.h b/contrib/restricted/fast_float/include/fast_float/constexpr_feature_detect.h index ba8b65c64a..18daf40941 100644 --- a/contrib/restricted/fast_float/include/fast_float/constexpr_feature_detect.h +++ b/contrib/restricted/fast_float/include/fast_float/constexpr_feature_detect.h @@ -20,16 +20,16 @@ #define FASTFLOAT_HAS_BIT_CAST 0 #endif -#if defined(__cpp_lib_is_constant_evaluated) && __cpp_lib_is_constant_evaluated >= 201811L +#if defined(__cpp_lib_is_constant_evaluated) && \ + __cpp_lib_is_constant_evaluated >= 201811L #define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 1 #else #define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 0 #endif // Testing for relevant C++20 constexpr library features -#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED \ - && FASTFLOAT_HAS_BIT_CAST \ - && __cpp_lib_constexpr_algorithms >= 201806L /*For std::copy and std::fill*/ +#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED && FASTFLOAT_HAS_BIT_CAST && \ + __cpp_lib_constexpr_algorithms >= 201806L /*For std::copy and std::fill*/ #define FASTFLOAT_CONSTEXPR20 constexpr #define FASTFLOAT_IS_CONSTEXPR 1 #else diff --git a/contrib/restricted/fast_float/include/fast_float/decimal_to_binary.h b/contrib/restricted/fast_float/include/fast_float/decimal_to_binary.h index a4e245be86..70ecf73c8e 100644 --- a/contrib/restricted/fast_float/include/fast_float/decimal_to_binary.h +++ b/contrib/restricted/fast_float/include/fast_float/decimal_to_binary.h @@ -12,27 +12,34 @@ namespace fast_float { -// This will compute or rather approximate w * 5**q and return a pair of 64-bit words approximating -// the result, with the "high" part corresponding to the most significant bits and the -// low part corresponding to the least significant bits. +// This will compute or rather approximate w * 5**q and return a pair of 64-bit +// words approximating the result, with the "high" part corresponding to the +// most significant bits and the low part corresponding to the least significant +// bits. // template <int bit_precision> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -value128 compute_product_approximation(int64_t q, uint64_t w) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128 +compute_product_approximation(int64_t q, uint64_t w) { const int index = 2 * int(q - powers::smallest_power_of_five); - // For small values of q, e.g., q in [0,27], the answer is always exact because - // The line value128 firstproduct = full_multiplication(w, power_of_five_128[index]); - // gives the exact answer. - value128 firstproduct = full_multiplication(w, powers::power_of_five_128[index]); - static_assert((bit_precision >= 0) && (bit_precision <= 64), " precision should be in (0,64]"); - constexpr uint64_t precision_mask = (bit_precision < 64) ? - (uint64_t(0xFFFFFFFFFFFFFFFF) >> bit_precision) - : uint64_t(0xFFFFFFFFFFFFFFFF); - if((firstproduct.high & precision_mask) == precision_mask) { // could further guard with (lower + w < lower) - // regarding the second product, we only need secondproduct.high, but our expectation is that the compiler will optimize this extra work away if needed. - value128 secondproduct = full_multiplication(w, powers::power_of_five_128[index + 1]); + // For small values of q, e.g., q in [0,27], the answer is always exact + // because The line value128 firstproduct = full_multiplication(w, + // power_of_five_128[index]); gives the exact answer. + value128 firstproduct = + full_multiplication(w, powers::power_of_five_128[index]); + static_assert((bit_precision >= 0) && (bit_precision <= 64), + " precision should be in (0,64]"); + constexpr uint64_t precision_mask = + (bit_precision < 64) ? (uint64_t(0xFFFFFFFFFFFFFFFF) >> bit_precision) + : uint64_t(0xFFFFFFFFFFFFFFFF); + if ((firstproduct.high & precision_mask) == + precision_mask) { // could further guard with (lower + w < lower) + // regarding the second product, we only need secondproduct.high, but our + // expectation is that the compiler will optimize this extra work away if + // needed. + value128 secondproduct = + full_multiplication(w, powers::power_of_five_128[index + 1]); firstproduct.low += secondproduct.high; - if(secondproduct.high > firstproduct.low) { + if (secondproduct.high > firstproduct.low) { firstproduct.high++; } } @@ -55,43 +62,45 @@ namespace detail { * where * p = log(5**-q)/log(2) = -q * log(5)/log(2) */ - constexpr fastfloat_really_inline int32_t power(int32_t q) noexcept { - return (((152170 + 65536) * q) >> 16) + 63; - } +constexpr fastfloat_really_inline int32_t power(int32_t q) noexcept { + return (((152170 + 65536) * q) >> 16) + 63; +} } // namespace detail // create an adjusted mantissa, biased by the invalid power2 // for significant digits already multiplied by 10 ** q. template <typename binary> -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -adjusted_mantissa compute_error_scaled(int64_t q, uint64_t w, int lz) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 adjusted_mantissa +compute_error_scaled(int64_t q, uint64_t w, int lz) noexcept { int hilz = int(w >> 63) ^ 1; adjusted_mantissa answer; answer.mantissa = w << hilz; int bias = binary::mantissa_explicit_bits() - binary::minimum_exponent(); - answer.power2 = int32_t(detail::power(int32_t(q)) + bias - hilz - lz - 62 + invalid_am_bias); + answer.power2 = int32_t(detail::power(int32_t(q)) + bias - hilz - lz - 62 + + invalid_am_bias); return answer; } // w * 10 ** q, without rounding the representation up. // the power2 in the exponent will be adjusted by invalid_am_bias. template <typename binary> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa compute_error(int64_t q, uint64_t w) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +compute_error(int64_t q, uint64_t w) noexcept { int lz = leading_zeroes(w); w <<= lz; - value128 product = compute_product_approximation<binary::mantissa_explicit_bits() + 3>(q, w); + value128 product = + compute_product_approximation<binary::mantissa_explicit_bits() + 3>(q, w); return compute_error_scaled<binary>(q, product.high, lz); } // w * 10 ** q -// The returned value should be a valid ieee64 number that simply need to be packed. -// However, in some very rare cases, the computation will fail. In such cases, we -// return an adjusted_mantissa with a negative power of 2: the caller should recompute -// in such cases. +// The returned value should be a valid ieee64 number that simply need to be +// packed. However, in some very rare cases, the computation will fail. In such +// cases, we return an adjusted_mantissa with a negative power of 2: the caller +// should recompute in such cases. template <typename binary> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa compute_float(int64_t q, uint64_t w) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +compute_float(int64_t q, uint64_t w) noexcept { adjusted_mantissa answer; if ((w == 0) || (q < binary::smallest_power_of_ten())) { answer.power2 = 0; @@ -105,7 +114,8 @@ adjusted_mantissa compute_float(int64_t q, uint64_t w) noexcept { answer.mantissa = 0; return answer; } - // At this point in time q is in [powers::smallest_power_of_five, powers::largest_power_of_five]. + // At this point in time q is in [powers::smallest_power_of_five, + // powers::largest_power_of_five]. // We want the most significant bit of i to be 1. Shift if needed. int lz = leading_zeroes(w); @@ -114,27 +124,32 @@ adjusted_mantissa compute_float(int64_t q, uint64_t w) noexcept { // The required precision is binary::mantissa_explicit_bits() + 3 because // 1. We need the implicit bit // 2. We need an extra bit for rounding purposes - // 3. We might lose a bit due to the "upperbit" routine (result too small, requiring a shift) + // 3. We might lose a bit due to the "upperbit" routine (result too small, + // requiring a shift) - value128 product = compute_product_approximation<binary::mantissa_explicit_bits() + 3>(q, w); + value128 product = + compute_product_approximation<binary::mantissa_explicit_bits() + 3>(q, w); // The computed 'product' is always sufficient. // Mathematical proof: - // Noble Mushtak and Daniel Lemire, Fast Number Parsing Without Fallback (to appear) - // See script/mushtak_lemire.py + // Noble Mushtak and Daniel Lemire, Fast Number Parsing Without Fallback (to + // appear) See script/mushtak_lemire.py - // The "compute_product_approximation" function can be slightly slower than a branchless approach: - // value128 product = compute_product(q, w); - // but in practice, we can win big with the compute_product_approximation if its additional branch - // is easily predicted. Which is best is data specific. + // The "compute_product_approximation" function can be slightly slower than a + // branchless approach: value128 product = compute_product(q, w); but in + // practice, we can win big with the compute_product_approximation if its + // additional branch is easily predicted. Which is best is data specific. int upperbit = int(product.high >> 63); int shift = upperbit + 64 - binary::mantissa_explicit_bits() - 3; answer.mantissa = product.high >> shift; - answer.power2 = int32_t(detail::power(int32_t(q)) + upperbit - lz - binary::minimum_exponent()); + answer.power2 = int32_t(detail::power(int32_t(q)) + upperbit - lz - + binary::minimum_exponent()); if (answer.power2 <= 0) { // we have a subnormal? // Here have that answer.power2 <= 0 so -answer.power2 >= 0 - if(-answer.power2 + 1 >= 64) { // if we have more than 64 bits below the minimum exponent, you have a zero for sure. + if (-answer.power2 + 1 >= + 64) { // if we have more than 64 bits below the minimum exponent, you + // have a zero for sure. answer.power2 = 0; answer.mantissa = 0; // result should be zero @@ -153,20 +168,26 @@ adjusted_mantissa compute_float(int64_t q, uint64_t w) noexcept { // up 0x3fffffffffffff x 2^-1023-53 and once we do, we are no longer // subnormal, but we can only know this after rounding. // So we only declare a subnormal if we are smaller than the threshold. - answer.power2 = (answer.mantissa < (uint64_t(1) << binary::mantissa_explicit_bits())) ? 0 : 1; + answer.power2 = + (answer.mantissa < (uint64_t(1) << binary::mantissa_explicit_bits())) + ? 0 + : 1; return answer; } // usually, we round *up*, but if we fall right in between and and we have an // even basis, we need to round down // We are only concerned with the cases where 5**q fits in single 64-bit word. - if ((product.low <= 1) && (q >= binary::min_exponent_round_to_even()) && (q <= binary::max_exponent_round_to_even()) && - ((answer.mantissa & 3) == 1) ) { // we may fall between two floats! + if ((product.low <= 1) && (q >= binary::min_exponent_round_to_even()) && + (q <= binary::max_exponent_round_to_even()) && + ((answer.mantissa & 3) == 1)) { // we may fall between two floats! // To be in-between two floats we need that in doing - // answer.mantissa = product.high >> (upperbit + 64 - binary::mantissa_explicit_bits() - 3); - // ... we dropped out only zeroes. But if this happened, then we can go back!!! - if((answer.mantissa << shift) == product.high) { - answer.mantissa &= ~uint64_t(1); // flip it so that we do not round up + // answer.mantissa = product.high >> (upperbit + 64 - + // binary::mantissa_explicit_bits() - 3); + // ... we dropped out only zeroes. But if this happened, then we can go + // back!!! + if ((answer.mantissa << shift) == product.high) { + answer.mantissa &= ~uint64_t(1); // flip it so that we do not round up } } diff --git a/contrib/restricted/fast_float/include/fast_float/digit_comparison.h b/contrib/restricted/fast_float/include/fast_float/digit_comparison.h index 512a27f5a5..303fff91eb 100644 --- a/contrib/restricted/fast_float/include/fast_float/digit_comparison.h +++ b/contrib/restricted/fast_float/include/fast_float/digit_comparison.h @@ -13,19 +13,34 @@ namespace fast_float { // 1e0 to 1e19 -constexpr static uint64_t powers_of_ten_uint64[] = { - 1UL, 10UL, 100UL, 1000UL, 10000UL, 100000UL, 1000000UL, 10000000UL, 100000000UL, - 1000000000UL, 10000000000UL, 100000000000UL, 1000000000000UL, 10000000000000UL, - 100000000000000UL, 1000000000000000UL, 10000000000000000UL, 100000000000000000UL, - 1000000000000000000UL, 10000000000000000000UL}; +constexpr static uint64_t powers_of_ten_uint64[] = {1UL, + 10UL, + 100UL, + 1000UL, + 10000UL, + 100000UL, + 1000000UL, + 10000000UL, + 100000000UL, + 1000000000UL, + 10000000000UL, + 100000000000UL, + 1000000000000UL, + 10000000000000UL, + 100000000000000UL, + 1000000000000000UL, + 10000000000000000UL, + 100000000000000000UL, + 1000000000000000000UL, + 10000000000000000000UL}; // calculate the exponent, in scientific notation, of the number. // this algorithm is not even close to optimized, but it has no practical // effect on performance: in order to have a faster algorithm, we'd need // to slow down performance for faster algorithms, and this is still fast. template <typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -int32_t scientific_exponent(parsed_number_string_t<UC> & num) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int32_t +scientific_exponent(parsed_number_string_t<UC> &num) noexcept { uint64_t mantissa = num.mantissa; int32_t exponent = int32_t(num.exponent); while (mantissa >= 10000) { @@ -45,15 +60,16 @@ int32_t scientific_exponent(parsed_number_string_t<UC> & num) noexcept { // this converts a native floating-point number to an extended-precision float. template <typename T> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa to_extended(T value) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +to_extended(T value) noexcept { using equiv_uint = typename binary_format<T>::equiv_uint; constexpr equiv_uint exponent_mask = binary_format<T>::exponent_mask(); constexpr equiv_uint mantissa_mask = binary_format<T>::mantissa_mask(); constexpr equiv_uint hidden_bit_mask = binary_format<T>::hidden_bit_mask(); adjusted_mantissa am; - int32_t bias = binary_format<T>::mantissa_explicit_bits() - binary_format<T>::minimum_exponent(); + int32_t bias = binary_format<T>::mantissa_explicit_bits() - + binary_format<T>::minimum_exponent(); equiv_uint bits; #if FASTFLOAT_HAS_BIT_CAST bits = std::bit_cast<equiv_uint>(value); @@ -66,7 +82,8 @@ adjusted_mantissa to_extended(T value) noexcept { am.mantissa = bits & mantissa_mask; } else { // normal - am.power2 = int32_t((bits & exponent_mask) >> binary_format<T>::mantissa_explicit_bits()); + am.power2 = int32_t((bits & exponent_mask) >> + binary_format<T>::mantissa_explicit_bits()); am.power2 -= bias; am.mantissa = (bits & mantissa_mask) | hidden_bit_mask; } @@ -78,8 +95,8 @@ adjusted_mantissa to_extended(T value) noexcept { // we are given a native float that represents b, so we need to adjust it // halfway between b and b+u. template <typename T> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa to_extended_halfway(T value) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +to_extended_halfway(T value) noexcept { adjusted_mantissa am = to_extended(value); am.mantissa <<= 1; am.mantissa += 1; @@ -89,15 +106,18 @@ adjusted_mantissa to_extended_halfway(T value) noexcept { // round an extended-precision float to the nearest machine float. template <typename T, typename callback> -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -void round(adjusted_mantissa& am, callback cb) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void round(adjusted_mantissa &am, + callback cb) noexcept { int32_t mantissa_shift = 64 - binary_format<T>::mantissa_explicit_bits() - 1; if (-am.power2 >= mantissa_shift) { // have a denormal float int32_t shift = -am.power2 + 1; cb(am, std::min<int32_t>(shift, 64)); // check for round-up: if rounding-nearest carried us to the hidden bit. - am.power2 = (am.mantissa < (uint64_t(1) << binary_format<T>::mantissa_explicit_bits())) ? 0 : 1; + am.power2 = (am.mantissa < + (uint64_t(1) << binary_format<T>::mantissa_explicit_bits())) + ? 0 + : 1; return; } @@ -105,7 +125,8 @@ void round(adjusted_mantissa& am, callback cb) noexcept { cb(am, mantissa_shift); // check for carry - if (am.mantissa >= (uint64_t(2) << binary_format<T>::mantissa_explicit_bits())) { + if (am.mantissa >= + (uint64_t(2) << binary_format<T>::mantissa_explicit_bits())) { am.mantissa = (uint64_t(1) << binary_format<T>::mantissa_explicit_bits()); am.power2++; } @@ -119,16 +140,11 @@ void round(adjusted_mantissa& am, callback cb) noexcept { } template <typename callback> -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -void round_nearest_tie_even(adjusted_mantissa& am, int32_t shift, callback cb) noexcept { - const uint64_t mask - = (shift == 64) - ? UINT64_MAX - : (uint64_t(1) << shift) - 1; - const uint64_t halfway - = (shift == 0) - ? 0 - : uint64_t(1) << (shift - 1); +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void +round_nearest_tie_even(adjusted_mantissa &am, int32_t shift, + callback cb) noexcept { + const uint64_t mask = (shift == 64) ? UINT64_MAX : (uint64_t(1) << shift) - 1; + const uint64_t halfway = (shift == 0) ? 0 : uint64_t(1) << (shift - 1); uint64_t truncated_bits = am.mantissa & mask; bool is_above = truncated_bits > halfway; bool is_halfway = truncated_bits == halfway; @@ -145,8 +161,8 @@ void round_nearest_tie_even(adjusted_mantissa& am, int32_t shift, callback cb) n am.mantissa += uint64_t(cb(is_odd, is_halfway, is_above)); } -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -void round_down(adjusted_mantissa& am, int32_t shift) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void +round_down(adjusted_mantissa &am, int32_t shift) noexcept { if (shift == 64) { am.mantissa = 0; } else { @@ -155,10 +171,11 @@ void round_down(adjusted_mantissa& am, int32_t shift) noexcept { am.power2 += shift; } template <typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void skip_zeros(UC const * & first, UC const * last) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +skip_zeros(UC const *&first, UC const *last) noexcept { uint64_t val; - while (!cpp20_and_in_constexpr() && std::distance(first, last) >= int_cmp_len<UC>()) { + while (!cpp20_and_in_constexpr() && + std::distance(first, last) >= int_cmp_len<UC>()) { ::memcpy(&val, first, sizeof(uint64_t)); if (val != int_cmp_zeros<UC>()) { break; @@ -176,11 +193,12 @@ void skip_zeros(UC const * & first, UC const * last) noexcept { // determine if any non-zero digits were truncated. // all characters must be valid digits. template <typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool is_truncated(UC const * first, UC const * last) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +is_truncated(UC const *first, UC const *last) noexcept { // do 8-bit optimizations, can just compare to 8 literal 0s. uint64_t val; - while (!cpp20_and_in_constexpr() && std::distance(first, last) >= int_cmp_len<UC>()) { + while (!cpp20_and_in_constexpr() && + std::distance(first, last) >= int_cmp_len<UC>()) { ::memcpy(&val, first, sizeof(uint64_t)); if (val != int_cmp_zeros<UC>()) { return true; @@ -196,15 +214,15 @@ bool is_truncated(UC const * first, UC const * last) noexcept { return false; } template <typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool is_truncated(span<const UC> s) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +is_truncated(span<const UC> s) noexcept { return is_truncated(s.ptr, s.ptr + s.len()); } - template <typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void parse_eight_digits(const UC*& p, limb& value, size_t& counter, size_t& count) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +parse_eight_digits(const UC *&p, limb &value, size_t &counter, + size_t &count) noexcept { value = value * 100000000 + parse_eight_digits_unrolled(p); p += 8; counter += 8; @@ -212,22 +230,23 @@ void parse_eight_digits(const UC*& p, limb& value, size_t& counter, size_t& coun } template <typename UC> -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -void parse_one_digit(UC const *& p, limb& value, size_t& counter, size_t& count) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void +parse_one_digit(UC const *&p, limb &value, size_t &counter, + size_t &count) noexcept { value = value * 10 + limb(*p - UC('0')); p++; counter++; count++; } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void add_native(bigint& big, limb power, limb value) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +add_native(bigint &big, limb power, limb value) noexcept { big.mul(power); big.add(value); } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void round_up_bigint(bigint& big, size_t& count) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +round_up_bigint(bigint &big, size_t &count) noexcept { // need to round-up the digits, but need to avoid rounding // ....9999 to ...10000, which could cause a false halfway point. add_native(big, 10, 1); @@ -236,8 +255,9 @@ void round_up_bigint(bigint& big, size_t& count) noexcept { // parse the significant digits into a big integer template <typename UC> -inline FASTFLOAT_CONSTEXPR20 -void parse_mantissa(bigint& result, parsed_number_string_t<UC>& num, size_t max_digits, size_t& digits) noexcept { +inline FASTFLOAT_CONSTEXPR20 void +parse_mantissa(bigint &result, parsed_number_string_t<UC> &num, + size_t max_digits, size_t &digits) noexcept { // try to minimize the number of big integer and scalar multiplication. // therefore, try to parse 8 digits at a time, and multiply by the largest // scalar value (9 or 19 digits) for each step. @@ -251,12 +271,13 @@ void parse_mantissa(bigint& result, parsed_number_string_t<UC>& num, size_t max_ #endif // process all integer digits. - UC const * p = num.integer.ptr; - UC const * pend = p + num.integer.len(); + UC const *p = num.integer.ptr; + UC const *pend = p + num.integer.len(); skip_zeros(p, pend); // process all digits, in increments of step per loop while (p != pend) { - while ((std::distance(p, pend) >= 8) && (step - counter >= 8) && (max_digits - digits >= 8)) { + while ((std::distance(p, pend) >= 8) && (step - counter >= 8) && + (max_digits - digits >= 8)) { parse_eight_digits(p, value, counter, digits); } while (counter < step && p != pend && digits < max_digits) { @@ -289,7 +310,8 @@ void parse_mantissa(bigint& result, parsed_number_string_t<UC>& num, size_t max_ } // process all digits, in increments of step per loop while (p != pend) { - while ((std::distance(p, pend) >= 8) && (step - counter >= 8) && (max_digits - digits >= 8)) { + while ((std::distance(p, pend) >= 8) && (step - counter >= 8) && + (max_digits - digits >= 8)) { parse_eight_digits(p, value, counter, digits); } while (counter < step && p != pend && digits < max_digits) { @@ -317,19 +339,23 @@ void parse_mantissa(bigint& result, parsed_number_string_t<UC>& num, size_t max_ } template <typename T> -inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa positive_digit_comp(bigint& bigmant, int32_t exponent) noexcept { +inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +positive_digit_comp(bigint &bigmant, int32_t exponent) noexcept { FASTFLOAT_ASSERT(bigmant.pow10(uint32_t(exponent))); adjusted_mantissa answer; bool truncated; answer.mantissa = bigmant.hi64(truncated); - int bias = binary_format<T>::mantissa_explicit_bits() - binary_format<T>::minimum_exponent(); + int bias = binary_format<T>::mantissa_explicit_bits() - + binary_format<T>::minimum_exponent(); answer.power2 = bigmant.bit_length() - 64 + bias; - round<T>(answer, [truncated](adjusted_mantissa& a, int32_t shift) { - round_nearest_tie_even(a, shift, [truncated](bool is_odd, bool is_halfway, bool is_above) -> bool { - return is_above || (is_halfway && truncated) || (is_odd && is_halfway); - }); + round<T>(answer, [truncated](adjusted_mantissa &a, int32_t shift) { + round_nearest_tie_even( + a, shift, + [truncated](bool is_odd, bool is_halfway, bool is_above) -> bool { + return is_above || (is_halfway && truncated) || + (is_odd && is_halfway); + }); }); return answer; @@ -341,15 +367,17 @@ adjusted_mantissa positive_digit_comp(bigint& bigmant, int32_t exponent) noexcep // we then need to scale by `2^(f- e)`, and then the two significant digits // are of the same magnitude. template <typename T> -inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa negative_digit_comp(bigint& bigmant, adjusted_mantissa am, int32_t exponent) noexcept { - bigint& real_digits = bigmant; +inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa negative_digit_comp( + bigint &bigmant, adjusted_mantissa am, int32_t exponent) noexcept { + bigint &real_digits = bigmant; int32_t real_exp = exponent; // get the value of `b`, rounded down, and get a bigint representation of b+h adjusted_mantissa am_b = am; - // gcc7 buf: use a lambda to remove the noexcept qualifier bug with -Wnoexcept-type. - round<T>(am_b, [](adjusted_mantissa&a, int32_t shift) { round_down(a, shift); }); + // gcc7 buf: use a lambda to remove the noexcept qualifier bug with + // -Wnoexcept-type. + round<T>(am_b, + [](adjusted_mantissa &a, int32_t shift) { round_down(a, shift); }); T b; to_float(false, am_b, b); adjusted_mantissa theor = to_extended_halfway(b); @@ -371,18 +399,19 @@ adjusted_mantissa negative_digit_comp(bigint& bigmant, adjusted_mantissa am, int // compare digits, and use it to director rounding int ord = real_digits.compare(theor_digits); adjusted_mantissa answer = am; - round<T>(answer, [ord](adjusted_mantissa& a, int32_t shift) { - round_nearest_tie_even(a, shift, [ord](bool is_odd, bool _, bool __) -> bool { - (void)_; // not needed, since we've done our comparison - (void)__; // not needed, since we've done our comparison - if (ord > 0) { - return true; - } else if (ord < 0) { - return false; - } else { - return is_odd; - } - }); + round<T>(answer, [ord](adjusted_mantissa &a, int32_t shift) { + round_nearest_tie_even( + a, shift, [ord](bool is_odd, bool _, bool __) -> bool { + (void)_; // not needed, since we've done our comparison + (void)__; // not needed, since we've done our comparison + if (ord > 0) { + return true; + } else if (ord < 0) { + return false; + } else { + return is_odd; + } + }); }); return answer; @@ -402,8 +431,8 @@ adjusted_mantissa negative_digit_comp(bigint& bigmant, adjusted_mantissa am, int // the actual digits. we then compare the big integer representations // of both, and use that to direct rounding. template <typename T, typename UC> -inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa digit_comp(parsed_number_string_t<UC>& num, adjusted_mantissa am) noexcept { +inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +digit_comp(parsed_number_string_t<UC> &num, adjusted_mantissa am) noexcept { // remove the invalid exponent bias am.power2 -= invalid_am_bias; diff --git a/contrib/restricted/fast_float/include/fast_float/fast_float.h b/contrib/restricted/fast_float/include/fast_float/fast_float.h index 9b1b9b4ff4..42a3cdfaf4 100644 --- a/contrib/restricted/fast_float/include/fast_float/fast_float.h +++ b/contrib/restricted/fast_float/include/fast_float/fast_float.h @@ -6,42 +6,50 @@ namespace fast_float { /** - * This function parses the character sequence [first,last) for a number. It parses floating-point numbers expecting - * a locale-indepent format equivalent to what is used by std::strtod in the default ("C") locale. - * The resulting floating-point value is the closest floating-point values (using either float or double), - * using the "round to even" convention for values that would otherwise fall right in-between two values. - * That is, we provide exact parsing according to the IEEE standard. + * This function parses the character sequence [first,last) for a number. It + * parses floating-point numbers expecting a locale-indepent format equivalent + * to what is used by std::strtod in the default ("C") locale. The resulting + * floating-point value is the closest floating-point values (using either float + * or double), using the "round to even" convention for values that would + * otherwise fall right in-between two values. That is, we provide exact parsing + * according to the IEEE standard. * - * Given a successful parse, the pointer (`ptr`) in the returned value is set to point right after the - * parsed number, and the `value` referenced is set to the parsed value. In case of error, the returned - * `ec` contains a representative error, otherwise the default (`std::errc()`) value is stored. + * Given a successful parse, the pointer (`ptr`) in the returned value is set to + * point right after the parsed number, and the `value` referenced is set to the + * parsed value. In case of error, the returned `ec` contains a representative + * error, otherwise the default (`std::errc()`) value is stored. * - * The implementation does not throw and does not allocate memory (e.g., with `new` or `malloc`). + * The implementation does not throw and does not allocate memory (e.g., with + * `new` or `malloc`). * - * Like the C++17 standard, the `fast_float::from_chars` functions take an optional last argument of - * the type `fast_float::chars_format`. It is a bitset value: we check whether - * `fmt & fast_float::chars_format::fixed` and `fmt & fast_float::chars_format::scientific` are set - * to determine whether we allow the fixed point and scientific notation respectively. - * The default is `fast_float::chars_format::general` which allows both `fixed` and `scientific`. + * Like the C++17 standard, the `fast_float::from_chars` functions take an + * optional last argument of the type `fast_float::chars_format`. It is a bitset + * value: we check whether `fmt & fast_float::chars_format::fixed` and `fmt & + * fast_float::chars_format::scientific` are set to determine whether we allow + * the fixed point and scientific notation respectively. The default is + * `fast_float::chars_format::general` which allows both `fixed` and + * `scientific`. */ -template<typename T, typename UC = char, typename = FASTFLOAT_ENABLE_IF(is_supported_float_type<T>())> -FASTFLOAT_CONSTEXPR20 -from_chars_result_t<UC> from_chars(UC const * first, UC const * last, - T &value, chars_format fmt = chars_format::general) noexcept; +template <typename T, typename UC = char, + typename = FASTFLOAT_ENABLE_IF(is_supported_float_type<T>())> +FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> +from_chars(UC const *first, UC const *last, T &value, + chars_format fmt = chars_format::general) noexcept; /** * Like from_chars, but accepts an `options` argument to govern number parsing. */ -template<typename T, typename UC = char> -FASTFLOAT_CONSTEXPR20 -from_chars_result_t<UC> from_chars_advanced(UC const * first, UC const * last, - T &value, parse_options_t<UC> options) noexcept; +template <typename T, typename UC = char> +FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> +from_chars_advanced(UC const *first, UC const *last, T &value, + parse_options_t<UC> options) noexcept; /** -* from_chars for integer types. -*/ -template <typename T, typename UC = char, typename = FASTFLOAT_ENABLE_IF(!is_supported_float_type<T>())> -FASTFLOAT_CONSTEXPR20 -from_chars_result_t<UC> from_chars(UC const * first, UC const * last, T& value, int base = 10) noexcept; + * from_chars for integer types. + */ +template <typename T, typename UC = char, + typename = FASTFLOAT_ENABLE_IF(!is_supported_float_type<T>())> +FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> +from_chars(UC const *first, UC const *last, T &value, int base = 10) noexcept; } // namespace fast_float #include "parse_number.h" diff --git a/contrib/restricted/fast_float/include/fast_float/fast_table.h b/contrib/restricted/fast_float/include/fast_float/fast_table.h index d8dc569051..097e27b14b 100644 --- a/contrib/restricted/fast_float/include/fast_float/fast_table.h +++ b/contrib/restricted/fast_float/include/fast_float/fast_table.h @@ -29,669 +29,673 @@ namespace fast_float { * infinite in binary64 so we never need to worry about powers * of 5 greater than 308. */ -template <class unused = void> -struct powers_template { +template <class unused = void> struct powers_template { -constexpr static int smallest_power_of_five = binary_format<double>::smallest_power_of_ten(); -constexpr static int largest_power_of_five = binary_format<double>::largest_power_of_ten(); -constexpr static int number_of_entries = 2 * (largest_power_of_five - smallest_power_of_five + 1); -// Powers of five from 5^-342 all the way to 5^308 rounded toward one. -constexpr static uint64_t power_of_five_128[number_of_entries] = { - 0xeef453d6923bd65a,0x113faa2906a13b3f, - 0x9558b4661b6565f8,0x4ac7ca59a424c507, - 0xbaaee17fa23ebf76,0x5d79bcf00d2df649, - 0xe95a99df8ace6f53,0xf4d82c2c107973dc, - 0x91d8a02bb6c10594,0x79071b9b8a4be869, - 0xb64ec836a47146f9,0x9748e2826cdee284, - 0xe3e27a444d8d98b7,0xfd1b1b2308169b25, - 0x8e6d8c6ab0787f72,0xfe30f0f5e50e20f7, - 0xb208ef855c969f4f,0xbdbd2d335e51a935, - 0xde8b2b66b3bc4723,0xad2c788035e61382, - 0x8b16fb203055ac76,0x4c3bcb5021afcc31, - 0xaddcb9e83c6b1793,0xdf4abe242a1bbf3d, - 0xd953e8624b85dd78,0xd71d6dad34a2af0d, - 0x87d4713d6f33aa6b,0x8672648c40e5ad68, - 0xa9c98d8ccb009506,0x680efdaf511f18c2, - 0xd43bf0effdc0ba48,0x212bd1b2566def2, - 0x84a57695fe98746d,0x14bb630f7604b57, - 0xa5ced43b7e3e9188,0x419ea3bd35385e2d, - 0xcf42894a5dce35ea,0x52064cac828675b9, - 0x818995ce7aa0e1b2,0x7343efebd1940993, - 0xa1ebfb4219491a1f,0x1014ebe6c5f90bf8, - 0xca66fa129f9b60a6,0xd41a26e077774ef6, - 0xfd00b897478238d0,0x8920b098955522b4, - 0x9e20735e8cb16382,0x55b46e5f5d5535b0, - 0xc5a890362fddbc62,0xeb2189f734aa831d, - 0xf712b443bbd52b7b,0xa5e9ec7501d523e4, - 0x9a6bb0aa55653b2d,0x47b233c92125366e, - 0xc1069cd4eabe89f8,0x999ec0bb696e840a, - 0xf148440a256e2c76,0xc00670ea43ca250d, - 0x96cd2a865764dbca,0x380406926a5e5728, - 0xbc807527ed3e12bc,0xc605083704f5ecf2, - 0xeba09271e88d976b,0xf7864a44c633682e, - 0x93445b8731587ea3,0x7ab3ee6afbe0211d, - 0xb8157268fdae9e4c,0x5960ea05bad82964, - 0xe61acf033d1a45df,0x6fb92487298e33bd, - 0x8fd0c16206306bab,0xa5d3b6d479f8e056, - 0xb3c4f1ba87bc8696,0x8f48a4899877186c, - 0xe0b62e2929aba83c,0x331acdabfe94de87, - 0x8c71dcd9ba0b4925,0x9ff0c08b7f1d0b14, - 0xaf8e5410288e1b6f,0x7ecf0ae5ee44dd9, - 0xdb71e91432b1a24a,0xc9e82cd9f69d6150, - 0x892731ac9faf056e,0xbe311c083a225cd2, - 0xab70fe17c79ac6ca,0x6dbd630a48aaf406, - 0xd64d3d9db981787d,0x92cbbccdad5b108, - 0x85f0468293f0eb4e,0x25bbf56008c58ea5, - 0xa76c582338ed2621,0xaf2af2b80af6f24e, - 0xd1476e2c07286faa,0x1af5af660db4aee1, - 0x82cca4db847945ca,0x50d98d9fc890ed4d, - 0xa37fce126597973c,0xe50ff107bab528a0, - 0xcc5fc196fefd7d0c,0x1e53ed49a96272c8, - 0xff77b1fcbebcdc4f,0x25e8e89c13bb0f7a, - 0x9faacf3df73609b1,0x77b191618c54e9ac, - 0xc795830d75038c1d,0xd59df5b9ef6a2417, - 0xf97ae3d0d2446f25,0x4b0573286b44ad1d, - 0x9becce62836ac577,0x4ee367f9430aec32, - 0xc2e801fb244576d5,0x229c41f793cda73f, - 0xf3a20279ed56d48a,0x6b43527578c1110f, - 0x9845418c345644d6,0x830a13896b78aaa9, - 0xbe5691ef416bd60c,0x23cc986bc656d553, - 0xedec366b11c6cb8f,0x2cbfbe86b7ec8aa8, - 0x94b3a202eb1c3f39,0x7bf7d71432f3d6a9, - 0xb9e08a83a5e34f07,0xdaf5ccd93fb0cc53, - 0xe858ad248f5c22c9,0xd1b3400f8f9cff68, - 0x91376c36d99995be,0x23100809b9c21fa1, - 0xb58547448ffffb2d,0xabd40a0c2832a78a, - 0xe2e69915b3fff9f9,0x16c90c8f323f516c, - 0x8dd01fad907ffc3b,0xae3da7d97f6792e3, - 0xb1442798f49ffb4a,0x99cd11cfdf41779c, - 0xdd95317f31c7fa1d,0x40405643d711d583, - 0x8a7d3eef7f1cfc52,0x482835ea666b2572, - 0xad1c8eab5ee43b66,0xda3243650005eecf, - 0xd863b256369d4a40,0x90bed43e40076a82, - 0x873e4f75e2224e68,0x5a7744a6e804a291, - 0xa90de3535aaae202,0x711515d0a205cb36, - 0xd3515c2831559a83,0xd5a5b44ca873e03, - 0x8412d9991ed58091,0xe858790afe9486c2, - 0xa5178fff668ae0b6,0x626e974dbe39a872, - 0xce5d73ff402d98e3,0xfb0a3d212dc8128f, - 0x80fa687f881c7f8e,0x7ce66634bc9d0b99, - 0xa139029f6a239f72,0x1c1fffc1ebc44e80, - 0xc987434744ac874e,0xa327ffb266b56220, - 0xfbe9141915d7a922,0x4bf1ff9f0062baa8, - 0x9d71ac8fada6c9b5,0x6f773fc3603db4a9, - 0xc4ce17b399107c22,0xcb550fb4384d21d3, - 0xf6019da07f549b2b,0x7e2a53a146606a48, - 0x99c102844f94e0fb,0x2eda7444cbfc426d, - 0xc0314325637a1939,0xfa911155fefb5308, - 0xf03d93eebc589f88,0x793555ab7eba27ca, - 0x96267c7535b763b5,0x4bc1558b2f3458de, - 0xbbb01b9283253ca2,0x9eb1aaedfb016f16, - 0xea9c227723ee8bcb,0x465e15a979c1cadc, - 0x92a1958a7675175f,0xbfacd89ec191ec9, - 0xb749faed14125d36,0xcef980ec671f667b, - 0xe51c79a85916f484,0x82b7e12780e7401a, - 0x8f31cc0937ae58d2,0xd1b2ecb8b0908810, - 0xb2fe3f0b8599ef07,0x861fa7e6dcb4aa15, - 0xdfbdcece67006ac9,0x67a791e093e1d49a, - 0x8bd6a141006042bd,0xe0c8bb2c5c6d24e0, - 0xaecc49914078536d,0x58fae9f773886e18, - 0xda7f5bf590966848,0xaf39a475506a899e, - 0x888f99797a5e012d,0x6d8406c952429603, - 0xaab37fd7d8f58178,0xc8e5087ba6d33b83, - 0xd5605fcdcf32e1d6,0xfb1e4a9a90880a64, - 0x855c3be0a17fcd26,0x5cf2eea09a55067f, - 0xa6b34ad8c9dfc06f,0xf42faa48c0ea481e, - 0xd0601d8efc57b08b,0xf13b94daf124da26, - 0x823c12795db6ce57,0x76c53d08d6b70858, - 0xa2cb1717b52481ed,0x54768c4b0c64ca6e, - 0xcb7ddcdda26da268,0xa9942f5dcf7dfd09, - 0xfe5d54150b090b02,0xd3f93b35435d7c4c, - 0x9efa548d26e5a6e1,0xc47bc5014a1a6daf, - 0xc6b8e9b0709f109a,0x359ab6419ca1091b, - 0xf867241c8cc6d4c0,0xc30163d203c94b62, - 0x9b407691d7fc44f8,0x79e0de63425dcf1d, - 0xc21094364dfb5636,0x985915fc12f542e4, - 0xf294b943e17a2bc4,0x3e6f5b7b17b2939d, - 0x979cf3ca6cec5b5a,0xa705992ceecf9c42, - 0xbd8430bd08277231,0x50c6ff782a838353, - 0xece53cec4a314ebd,0xa4f8bf5635246428, - 0x940f4613ae5ed136,0x871b7795e136be99, - 0xb913179899f68584,0x28e2557b59846e3f, - 0xe757dd7ec07426e5,0x331aeada2fe589cf, - 0x9096ea6f3848984f,0x3ff0d2c85def7621, - 0xb4bca50b065abe63,0xfed077a756b53a9, - 0xe1ebce4dc7f16dfb,0xd3e8495912c62894, - 0x8d3360f09cf6e4bd,0x64712dd7abbbd95c, - 0xb080392cc4349dec,0xbd8d794d96aacfb3, - 0xdca04777f541c567,0xecf0d7a0fc5583a0, - 0x89e42caaf9491b60,0xf41686c49db57244, - 0xac5d37d5b79b6239,0x311c2875c522ced5, - 0xd77485cb25823ac7,0x7d633293366b828b, - 0x86a8d39ef77164bc,0xae5dff9c02033197, - 0xa8530886b54dbdeb,0xd9f57f830283fdfc, - 0xd267caa862a12d66,0xd072df63c324fd7b, - 0x8380dea93da4bc60,0x4247cb9e59f71e6d, - 0xa46116538d0deb78,0x52d9be85f074e608, - 0xcd795be870516656,0x67902e276c921f8b, - 0x806bd9714632dff6,0xba1cd8a3db53b6, - 0xa086cfcd97bf97f3,0x80e8a40eccd228a4, - 0xc8a883c0fdaf7df0,0x6122cd128006b2cd, - 0xfad2a4b13d1b5d6c,0x796b805720085f81, - 0x9cc3a6eec6311a63,0xcbe3303674053bb0, - 0xc3f490aa77bd60fc,0xbedbfc4411068a9c, - 0xf4f1b4d515acb93b,0xee92fb5515482d44, - 0x991711052d8bf3c5,0x751bdd152d4d1c4a, - 0xbf5cd54678eef0b6,0xd262d45a78a0635d, - 0xef340a98172aace4,0x86fb897116c87c34, - 0x9580869f0e7aac0e,0xd45d35e6ae3d4da0, - 0xbae0a846d2195712,0x8974836059cca109, - 0xe998d258869facd7,0x2bd1a438703fc94b, - 0x91ff83775423cc06,0x7b6306a34627ddcf, - 0xb67f6455292cbf08,0x1a3bc84c17b1d542, - 0xe41f3d6a7377eeca,0x20caba5f1d9e4a93, - 0x8e938662882af53e,0x547eb47b7282ee9c, - 0xb23867fb2a35b28d,0xe99e619a4f23aa43, - 0xdec681f9f4c31f31,0x6405fa00e2ec94d4, - 0x8b3c113c38f9f37e,0xde83bc408dd3dd04, - 0xae0b158b4738705e,0x9624ab50b148d445, - 0xd98ddaee19068c76,0x3badd624dd9b0957, - 0x87f8a8d4cfa417c9,0xe54ca5d70a80e5d6, - 0xa9f6d30a038d1dbc,0x5e9fcf4ccd211f4c, - 0xd47487cc8470652b,0x7647c3200069671f, - 0x84c8d4dfd2c63f3b,0x29ecd9f40041e073, - 0xa5fb0a17c777cf09,0xf468107100525890, - 0xcf79cc9db955c2cc,0x7182148d4066eeb4, - 0x81ac1fe293d599bf,0xc6f14cd848405530, - 0xa21727db38cb002f,0xb8ada00e5a506a7c, - 0xca9cf1d206fdc03b,0xa6d90811f0e4851c, - 0xfd442e4688bd304a,0x908f4a166d1da663, - 0x9e4a9cec15763e2e,0x9a598e4e043287fe, - 0xc5dd44271ad3cdba,0x40eff1e1853f29fd, - 0xf7549530e188c128,0xd12bee59e68ef47c, - 0x9a94dd3e8cf578b9,0x82bb74f8301958ce, - 0xc13a148e3032d6e7,0xe36a52363c1faf01, - 0xf18899b1bc3f8ca1,0xdc44e6c3cb279ac1, - 0x96f5600f15a7b7e5,0x29ab103a5ef8c0b9, - 0xbcb2b812db11a5de,0x7415d448f6b6f0e7, - 0xebdf661791d60f56,0x111b495b3464ad21, - 0x936b9fcebb25c995,0xcab10dd900beec34, - 0xb84687c269ef3bfb,0x3d5d514f40eea742, - 0xe65829b3046b0afa,0xcb4a5a3112a5112, - 0x8ff71a0fe2c2e6dc,0x47f0e785eaba72ab, - 0xb3f4e093db73a093,0x59ed216765690f56, - 0xe0f218b8d25088b8,0x306869c13ec3532c, - 0x8c974f7383725573,0x1e414218c73a13fb, - 0xafbd2350644eeacf,0xe5d1929ef90898fa, - 0xdbac6c247d62a583,0xdf45f746b74abf39, - 0x894bc396ce5da772,0x6b8bba8c328eb783, - 0xab9eb47c81f5114f,0x66ea92f3f326564, - 0xd686619ba27255a2,0xc80a537b0efefebd, - 0x8613fd0145877585,0xbd06742ce95f5f36, - 0xa798fc4196e952e7,0x2c48113823b73704, - 0xd17f3b51fca3a7a0,0xf75a15862ca504c5, - 0x82ef85133de648c4,0x9a984d73dbe722fb, - 0xa3ab66580d5fdaf5,0xc13e60d0d2e0ebba, - 0xcc963fee10b7d1b3,0x318df905079926a8, - 0xffbbcfe994e5c61f,0xfdf17746497f7052, - 0x9fd561f1fd0f9bd3,0xfeb6ea8bedefa633, - 0xc7caba6e7c5382c8,0xfe64a52ee96b8fc0, - 0xf9bd690a1b68637b,0x3dfdce7aa3c673b0, - 0x9c1661a651213e2d,0x6bea10ca65c084e, - 0xc31bfa0fe5698db8,0x486e494fcff30a62, - 0xf3e2f893dec3f126,0x5a89dba3c3efccfa, - 0x986ddb5c6b3a76b7,0xf89629465a75e01c, - 0xbe89523386091465,0xf6bbb397f1135823, - 0xee2ba6c0678b597f,0x746aa07ded582e2c, - 0x94db483840b717ef,0xa8c2a44eb4571cdc, - 0xba121a4650e4ddeb,0x92f34d62616ce413, - 0xe896a0d7e51e1566,0x77b020baf9c81d17, - 0x915e2486ef32cd60,0xace1474dc1d122e, - 0xb5b5ada8aaff80b8,0xd819992132456ba, - 0xe3231912d5bf60e6,0x10e1fff697ed6c69, - 0x8df5efabc5979c8f,0xca8d3ffa1ef463c1, - 0xb1736b96b6fd83b3,0xbd308ff8a6b17cb2, - 0xddd0467c64bce4a0,0xac7cb3f6d05ddbde, - 0x8aa22c0dbef60ee4,0x6bcdf07a423aa96b, - 0xad4ab7112eb3929d,0x86c16c98d2c953c6, - 0xd89d64d57a607744,0xe871c7bf077ba8b7, - 0x87625f056c7c4a8b,0x11471cd764ad4972, - 0xa93af6c6c79b5d2d,0xd598e40d3dd89bcf, - 0xd389b47879823479,0x4aff1d108d4ec2c3, - 0x843610cb4bf160cb,0xcedf722a585139ba, - 0xa54394fe1eedb8fe,0xc2974eb4ee658828, - 0xce947a3da6a9273e,0x733d226229feea32, - 0x811ccc668829b887,0x806357d5a3f525f, - 0xa163ff802a3426a8,0xca07c2dcb0cf26f7, - 0xc9bcff6034c13052,0xfc89b393dd02f0b5, - 0xfc2c3f3841f17c67,0xbbac2078d443ace2, - 0x9d9ba7832936edc0,0xd54b944b84aa4c0d, - 0xc5029163f384a931,0xa9e795e65d4df11, - 0xf64335bcf065d37d,0x4d4617b5ff4a16d5, - 0x99ea0196163fa42e,0x504bced1bf8e4e45, - 0xc06481fb9bcf8d39,0xe45ec2862f71e1d6, - 0xf07da27a82c37088,0x5d767327bb4e5a4c, - 0x964e858c91ba2655,0x3a6a07f8d510f86f, - 0xbbe226efb628afea,0x890489f70a55368b, - 0xeadab0aba3b2dbe5,0x2b45ac74ccea842e, - 0x92c8ae6b464fc96f,0x3b0b8bc90012929d, - 0xb77ada0617e3bbcb,0x9ce6ebb40173744, - 0xe55990879ddcaabd,0xcc420a6a101d0515, - 0x8f57fa54c2a9eab6,0x9fa946824a12232d, - 0xb32df8e9f3546564,0x47939822dc96abf9, - 0xdff9772470297ebd,0x59787e2b93bc56f7, - 0x8bfbea76c619ef36,0x57eb4edb3c55b65a, - 0xaefae51477a06b03,0xede622920b6b23f1, - 0xdab99e59958885c4,0xe95fab368e45eced, - 0x88b402f7fd75539b,0x11dbcb0218ebb414, - 0xaae103b5fcd2a881,0xd652bdc29f26a119, - 0xd59944a37c0752a2,0x4be76d3346f0495f, - 0x857fcae62d8493a5,0x6f70a4400c562ddb, - 0xa6dfbd9fb8e5b88e,0xcb4ccd500f6bb952, - 0xd097ad07a71f26b2,0x7e2000a41346a7a7, - 0x825ecc24c873782f,0x8ed400668c0c28c8, - 0xa2f67f2dfa90563b,0x728900802f0f32fa, - 0xcbb41ef979346bca,0x4f2b40a03ad2ffb9, - 0xfea126b7d78186bc,0xe2f610c84987bfa8, - 0x9f24b832e6b0f436,0xdd9ca7d2df4d7c9, - 0xc6ede63fa05d3143,0x91503d1c79720dbb, - 0xf8a95fcf88747d94,0x75a44c6397ce912a, - 0x9b69dbe1b548ce7c,0xc986afbe3ee11aba, - 0xc24452da229b021b,0xfbe85badce996168, - 0xf2d56790ab41c2a2,0xfae27299423fb9c3, - 0x97c560ba6b0919a5,0xdccd879fc967d41a, - 0xbdb6b8e905cb600f,0x5400e987bbc1c920, - 0xed246723473e3813,0x290123e9aab23b68, - 0x9436c0760c86e30b,0xf9a0b6720aaf6521, - 0xb94470938fa89bce,0xf808e40e8d5b3e69, - 0xe7958cb87392c2c2,0xb60b1d1230b20e04, - 0x90bd77f3483bb9b9,0xb1c6f22b5e6f48c2, - 0xb4ecd5f01a4aa828,0x1e38aeb6360b1af3, - 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0xbeeefb584aff8603,0xaafb550ffacfd8fa, - 0xeeaaba2e5dbf6784,0x95ba2a53f983cf38, - 0x952ab45cfa97a0b2,0xdd945a747bf26183, - 0xba756174393d88df,0x94f971119aeef9e4, - 0xe912b9d1478ceb17,0x7a37cd5601aab85d, - 0x91abb422ccb812ee,0xac62e055c10ab33a, - 0xb616a12b7fe617aa,0x577b986b314d6009, - 0xe39c49765fdf9d94,0xed5a7e85fda0b80b, - 0x8e41ade9fbebc27d,0x14588f13be847307, - 0xb1d219647ae6b31c,0x596eb2d8ae258fc8, - 0xde469fbd99a05fe3,0x6fca5f8ed9aef3bb, - 0x8aec23d680043bee,0x25de7bb9480d5854, - 0xada72ccc20054ae9,0xaf561aa79a10ae6a, - 0xd910f7ff28069da4,0x1b2ba1518094da04, - 0x87aa9aff79042286,0x90fb44d2f05d0842, - 0xa99541bf57452b28,0x353a1607ac744a53, - 0xd3fa922f2d1675f2,0x42889b8997915ce8, - 0x847c9b5d7c2e09b7,0x69956135febada11, - 0xa59bc234db398c25,0x43fab9837e699095, - 0xcf02b2c21207ef2e,0x94f967e45e03f4bb, - 0x8161afb94b44f57d,0x1d1be0eebac278f5, - 0xa1ba1ba79e1632dc,0x6462d92a69731732, - 0xca28a291859bbf93,0x7d7b8f7503cfdcfe, - 0xfcb2cb35e702af78,0x5cda735244c3d43e, - 0x9defbf01b061adab,0x3a0888136afa64a7, - 0xc56baec21c7a1916,0x88aaa1845b8fdd0, - 0xf6c69a72a3989f5b,0x8aad549e57273d45, - 0x9a3c2087a63f6399,0x36ac54e2f678864b, - 0xc0cb28a98fcf3c7f,0x84576a1bb416a7dd, - 0xf0fdf2d3f3c30b9f,0x656d44a2a11c51d5, - 0x969eb7c47859e743,0x9f644ae5a4b1b325, - 0xbc4665b596706114,0x873d5d9f0dde1fee, - 0xeb57ff22fc0c7959,0xa90cb506d155a7ea, - 0x9316ff75dd87cbd8,0x9a7f12442d588f2, - 0xb7dcbf5354e9bece,0xc11ed6d538aeb2f, - 0xe5d3ef282a242e81,0x8f1668c8a86da5fa, - 0x8fa475791a569d10,0xf96e017d694487bc, - 0xb38d92d760ec4455,0x37c981dcc395a9ac, - 0xe070f78d3927556a,0x85bbe253f47b1417, - 0x8c469ab843b89562,0x93956d7478ccec8e, - 0xaf58416654a6babb,0x387ac8d1970027b2, - 0xdb2e51bfe9d0696a,0x6997b05fcc0319e, - 0x88fcf317f22241e2,0x441fece3bdf81f03, - 0xab3c2fddeeaad25a,0xd527e81cad7626c3, - 0xd60b3bd56a5586f1,0x8a71e223d8d3b074, - 0x85c7056562757456,0xf6872d5667844e49, - 0xa738c6bebb12d16c,0xb428f8ac016561db, - 0xd106f86e69d785c7,0xe13336d701beba52, - 0x82a45b450226b39c,0xecc0024661173473, - 0xa34d721642b06084,0x27f002d7f95d0190, - 0xcc20ce9bd35c78a5,0x31ec038df7b441f4, - 0xff290242c83396ce,0x7e67047175a15271, - 0x9f79a169bd203e41,0xf0062c6e984d386, - 0xc75809c42c684dd1,0x52c07b78a3e60868, - 0xf92e0c3537826145,0xa7709a56ccdf8a82, - 0x9bbcc7a142b17ccb,0x88a66076400bb691, - 0xc2abf989935ddbfe,0x6acff893d00ea435, - 0xf356f7ebf83552fe,0x583f6b8c4124d43, - 0x98165af37b2153de,0xc3727a337a8b704a, - 0xbe1bf1b059e9a8d6,0x744f18c0592e4c5c, - 0xeda2ee1c7064130c,0x1162def06f79df73, - 0x9485d4d1c63e8be7,0x8addcb5645ac2ba8, - 0xb9a74a0637ce2ee1,0x6d953e2bd7173692, - 0xe8111c87c5c1ba99,0xc8fa8db6ccdd0437, - 0x910ab1d4db9914a0,0x1d9c9892400a22a2, - 0xb54d5e4a127f59c8,0x2503beb6d00cab4b, - 0xe2a0b5dc971f303a,0x2e44ae64840fd61d, - 0x8da471a9de737e24,0x5ceaecfed289e5d2, - 0xb10d8e1456105dad,0x7425a83e872c5f47, - 0xdd50f1996b947518,0xd12f124e28f77719, - 0x8a5296ffe33cc92f,0x82bd6b70d99aaa6f, - 0xace73cbfdc0bfb7b,0x636cc64d1001550b, - 0xd8210befd30efa5a,0x3c47f7e05401aa4e, - 0x8714a775e3e95c78,0x65acfaec34810a71, - 0xa8d9d1535ce3b396,0x7f1839a741a14d0d, - 0xd31045a8341ca07c,0x1ede48111209a050, - 0x83ea2b892091e44d,0x934aed0aab460432, - 0xa4e4b66b68b65d60,0xf81da84d5617853f, - 0xce1de40642e3f4b9,0x36251260ab9d668e, - 0x80d2ae83e9ce78f3,0xc1d72b7c6b426019, - 0xa1075a24e4421730,0xb24cf65b8612f81f, - 0xc94930ae1d529cfc,0xdee033f26797b627, - 0xfb9b7cd9a4a7443c,0x169840ef017da3b1, - 0x9d412e0806e88aa5,0x8e1f289560ee864e, - 0xc491798a08a2ad4e,0xf1a6f2bab92a27e2, - 0xf5b5d7ec8acb58a2,0xae10af696774b1db, - 0x9991a6f3d6bf1765,0xacca6da1e0a8ef29, - 0xbff610b0cc6edd3f,0x17fd090a58d32af3, - 0xeff394dcff8a948e,0xddfc4b4cef07f5b0, - 0x95f83d0a1fb69cd9,0x4abdaf101564f98e, - 0xbb764c4ca7a4440f,0x9d6d1ad41abe37f1, - 0xea53df5fd18d5513,0x84c86189216dc5ed, - 0x92746b9be2f8552c,0x32fd3cf5b4e49bb4, - 0xb7118682dbb66a77,0x3fbc8c33221dc2a1, - 0xe4d5e82392a40515,0xfabaf3feaa5334a, - 0x8f05b1163ba6832d,0x29cb4d87f2a7400e, - 0xb2c71d5bca9023f8,0x743e20e9ef511012, - 0xdf78e4b2bd342cf6,0x914da9246b255416, - 0x8bab8eefb6409c1a,0x1ad089b6c2f7548e, - 0xae9672aba3d0c320,0xa184ac2473b529b1, - 0xda3c0f568cc4f3e8,0xc9e5d72d90a2741e, - 0x8865899617fb1871,0x7e2fa67c7a658892, - 0xaa7eebfb9df9de8d,0xddbb901b98feeab7, - 0xd51ea6fa85785631,0x552a74227f3ea565, - 0x8533285c936b35de,0xd53a88958f87275f, - 0xa67ff273b8460356,0x8a892abaf368f137, - 0xd01fef10a657842c,0x2d2b7569b0432d85, - 0x8213f56a67f6b29b,0x9c3b29620e29fc73, - 0xa298f2c501f45f42,0x8349f3ba91b47b8f, - 0xcb3f2f7642717713,0x241c70a936219a73, - 0xfe0efb53d30dd4d7,0xed238cd383aa0110, - 0x9ec95d1463e8a506,0xf4363804324a40aa, - 0xc67bb4597ce2ce48,0xb143c6053edcd0d5, - 0xf81aa16fdc1b81da,0xdd94b7868e94050a, - 0x9b10a4e5e9913128,0xca7cf2b4191c8326, - 0xc1d4ce1f63f57d72,0xfd1c2f611f63a3f0, - 0xf24a01a73cf2dccf,0xbc633b39673c8cec, - 0x976e41088617ca01,0xd5be0503e085d813, - 0xbd49d14aa79dbc82,0x4b2d8644d8a74e18, - 0xec9c459d51852ba2,0xddf8e7d60ed1219e, - 0x93e1ab8252f33b45,0xcabb90e5c942b503, - 0xb8da1662e7b00a17,0x3d6a751f3b936243, - 0xe7109bfba19c0c9d,0xcc512670a783ad4, - 0x906a617d450187e2,0x27fb2b80668b24c5, - 0xb484f9dc9641e9da,0xb1f9f660802dedf6, - 0xe1a63853bbd26451,0x5e7873f8a0396973, - 0x8d07e33455637eb2,0xdb0b487b6423e1e8, - 0xb049dc016abc5e5f,0x91ce1a9a3d2cda62, - 0xdc5c5301c56b75f7,0x7641a140cc7810fb, - 0x89b9b3e11b6329ba,0xa9e904c87fcb0a9d, - 0xac2820d9623bf429,0x546345fa9fbdcd44, - 0xd732290fbacaf133,0xa97c177947ad4095, - 0x867f59a9d4bed6c0,0x49ed8eabcccc485d, - 0xa81f301449ee8c70,0x5c68f256bfff5a74, - 0xd226fc195c6a2f8c,0x73832eec6fff3111, - 0x83585d8fd9c25db7,0xc831fd53c5ff7eab, - 0xa42e74f3d032f525,0xba3e7ca8b77f5e55, - 0xcd3a1230c43fb26f,0x28ce1bd2e55f35eb, - 0x80444b5e7aa7cf85,0x7980d163cf5b81b3, - 0xa0555e361951c366,0xd7e105bcc332621f, - 0xc86ab5c39fa63440,0x8dd9472bf3fefaa7, - 0xfa856334878fc150,0xb14f98f6f0feb951, - 0x9c935e00d4b9d8d2,0x6ed1bf9a569f33d3, - 0xc3b8358109e84f07,0xa862f80ec4700c8, - 0xf4a642e14c6262c8,0xcd27bb612758c0fa, - 0x98e7e9cccfbd7dbd,0x8038d51cb897789c, - 0xbf21e44003acdd2c,0xe0470a63e6bd56c3, - 0xeeea5d5004981478,0x1858ccfce06cac74, - 0x95527a5202df0ccb,0xf37801e0c43ebc8, - 0xbaa718e68396cffd,0xd30560258f54e6ba, - 0xe950df20247c83fd,0x47c6b82ef32a2069, - 0x91d28b7416cdd27e,0x4cdc331d57fa5441, - 0xb6472e511c81471d,0xe0133fe4adf8e952, - 0xe3d8f9e563a198e5,0x58180fddd97723a6, - 0x8e679c2f5e44ff8f,0x570f09eaa7ea7648,}; + constexpr static int smallest_power_of_five = + binary_format<double>::smallest_power_of_ten(); + constexpr static int largest_power_of_five = + binary_format<double>::largest_power_of_ten(); + constexpr static int number_of_entries = + 2 * (largest_power_of_five - smallest_power_of_five + 1); + // Powers of five from 5^-342 all the way to 5^308 rounded toward one. + constexpr static uint64_t power_of_five_128[number_of_entries] = { + 0xeef453d6923bd65a, 0x113faa2906a13b3f, + 0x9558b4661b6565f8, 0x4ac7ca59a424c507, + 0xbaaee17fa23ebf76, 0x5d79bcf00d2df649, + 0xe95a99df8ace6f53, 0xf4d82c2c107973dc, + 0x91d8a02bb6c10594, 0x79071b9b8a4be869, + 0xb64ec836a47146f9, 0x9748e2826cdee284, + 0xe3e27a444d8d98b7, 0xfd1b1b2308169b25, + 0x8e6d8c6ab0787f72, 0xfe30f0f5e50e20f7, + 0xb208ef855c969f4f, 0xbdbd2d335e51a935, + 0xde8b2b66b3bc4723, 0xad2c788035e61382, + 0x8b16fb203055ac76, 0x4c3bcb5021afcc31, + 0xaddcb9e83c6b1793, 0xdf4abe242a1bbf3d, + 0xd953e8624b85dd78, 0xd71d6dad34a2af0d, + 0x87d4713d6f33aa6b, 0x8672648c40e5ad68, + 0xa9c98d8ccb009506, 0x680efdaf511f18c2, + 0xd43bf0effdc0ba48, 0x212bd1b2566def2, + 0x84a57695fe98746d, 0x14bb630f7604b57, + 0xa5ced43b7e3e9188, 0x419ea3bd35385e2d, + 0xcf42894a5dce35ea, 0x52064cac828675b9, + 0x818995ce7aa0e1b2, 0x7343efebd1940993, + 0xa1ebfb4219491a1f, 0x1014ebe6c5f90bf8, + 0xca66fa129f9b60a6, 0xd41a26e077774ef6, + 0xfd00b897478238d0, 0x8920b098955522b4, + 0x9e20735e8cb16382, 0x55b46e5f5d5535b0, + 0xc5a890362fddbc62, 0xeb2189f734aa831d, + 0xf712b443bbd52b7b, 0xa5e9ec7501d523e4, + 0x9a6bb0aa55653b2d, 0x47b233c92125366e, + 0xc1069cd4eabe89f8, 0x999ec0bb696e840a, + 0xf148440a256e2c76, 0xc00670ea43ca250d, + 0x96cd2a865764dbca, 0x380406926a5e5728, + 0xbc807527ed3e12bc, 0xc605083704f5ecf2, + 0xeba09271e88d976b, 0xf7864a44c633682e, + 0x93445b8731587ea3, 0x7ab3ee6afbe0211d, + 0xb8157268fdae9e4c, 0x5960ea05bad82964, + 0xe61acf033d1a45df, 0x6fb92487298e33bd, + 0x8fd0c16206306bab, 0xa5d3b6d479f8e056, + 0xb3c4f1ba87bc8696, 0x8f48a4899877186c, + 0xe0b62e2929aba83c, 0x331acdabfe94de87, + 0x8c71dcd9ba0b4925, 0x9ff0c08b7f1d0b14, + 0xaf8e5410288e1b6f, 0x7ecf0ae5ee44dd9, + 0xdb71e91432b1a24a, 0xc9e82cd9f69d6150, + 0x892731ac9faf056e, 0xbe311c083a225cd2, + 0xab70fe17c79ac6ca, 0x6dbd630a48aaf406, + 0xd64d3d9db981787d, 0x92cbbccdad5b108, + 0x85f0468293f0eb4e, 0x25bbf56008c58ea5, + 0xa76c582338ed2621, 0xaf2af2b80af6f24e, + 0xd1476e2c07286faa, 0x1af5af660db4aee1, + 0x82cca4db847945ca, 0x50d98d9fc890ed4d, + 0xa37fce126597973c, 0xe50ff107bab528a0, + 0xcc5fc196fefd7d0c, 0x1e53ed49a96272c8, + 0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7a, + 0x9faacf3df73609b1, 0x77b191618c54e9ac, + 0xc795830d75038c1d, 0xd59df5b9ef6a2417, + 0xf97ae3d0d2446f25, 0x4b0573286b44ad1d, + 0x9becce62836ac577, 0x4ee367f9430aec32, + 0xc2e801fb244576d5, 0x229c41f793cda73f, + 0xf3a20279ed56d48a, 0x6b43527578c1110f, + 0x9845418c345644d6, 0x830a13896b78aaa9, + 0xbe5691ef416bd60c, 0x23cc986bc656d553, + 0xedec366b11c6cb8f, 0x2cbfbe86b7ec8aa8, + 0x94b3a202eb1c3f39, 0x7bf7d71432f3d6a9, + 0xb9e08a83a5e34f07, 0xdaf5ccd93fb0cc53, + 0xe858ad248f5c22c9, 0xd1b3400f8f9cff68, + 0x91376c36d99995be, 0x23100809b9c21fa1, + 0xb58547448ffffb2d, 0xabd40a0c2832a78a, + 0xe2e69915b3fff9f9, 0x16c90c8f323f516c, + 0x8dd01fad907ffc3b, 0xae3da7d97f6792e3, + 0xb1442798f49ffb4a, 0x99cd11cfdf41779c, + 0xdd95317f31c7fa1d, 0x40405643d711d583, + 0x8a7d3eef7f1cfc52, 0x482835ea666b2572, + 0xad1c8eab5ee43b66, 0xda3243650005eecf, + 0xd863b256369d4a40, 0x90bed43e40076a82, + 0x873e4f75e2224e68, 0x5a7744a6e804a291, + 0xa90de3535aaae202, 0x711515d0a205cb36, + 0xd3515c2831559a83, 0xd5a5b44ca873e03, + 0x8412d9991ed58091, 0xe858790afe9486c2, + 0xa5178fff668ae0b6, 0x626e974dbe39a872, + 0xce5d73ff402d98e3, 0xfb0a3d212dc8128f, + 0x80fa687f881c7f8e, 0x7ce66634bc9d0b99, + 0xa139029f6a239f72, 0x1c1fffc1ebc44e80, + 0xc987434744ac874e, 0xa327ffb266b56220, + 0xfbe9141915d7a922, 0x4bf1ff9f0062baa8, + 0x9d71ac8fada6c9b5, 0x6f773fc3603db4a9, + 0xc4ce17b399107c22, 0xcb550fb4384d21d3, + 0xf6019da07f549b2b, 0x7e2a53a146606a48, + 0x99c102844f94e0fb, 0x2eda7444cbfc426d, + 0xc0314325637a1939, 0xfa911155fefb5308, + 0xf03d93eebc589f88, 0x793555ab7eba27ca, + 0x96267c7535b763b5, 0x4bc1558b2f3458de, + 0xbbb01b9283253ca2, 0x9eb1aaedfb016f16, + 0xea9c227723ee8bcb, 0x465e15a979c1cadc, + 0x92a1958a7675175f, 0xbfacd89ec191ec9, + 0xb749faed14125d36, 0xcef980ec671f667b, + 0xe51c79a85916f484, 0x82b7e12780e7401a, + 0x8f31cc0937ae58d2, 0xd1b2ecb8b0908810, + 0xb2fe3f0b8599ef07, 0x861fa7e6dcb4aa15, + 0xdfbdcece67006ac9, 0x67a791e093e1d49a, + 0x8bd6a141006042bd, 0xe0c8bb2c5c6d24e0, + 0xaecc49914078536d, 0x58fae9f773886e18, + 0xda7f5bf590966848, 0xaf39a475506a899e, + 0x888f99797a5e012d, 0x6d8406c952429603, + 0xaab37fd7d8f58178, 0xc8e5087ba6d33b83, + 0xd5605fcdcf32e1d6, 0xfb1e4a9a90880a64, + 0x855c3be0a17fcd26, 0x5cf2eea09a55067f, + 0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481e, + 0xd0601d8efc57b08b, 0xf13b94daf124da26, + 0x823c12795db6ce57, 0x76c53d08d6b70858, + 0xa2cb1717b52481ed, 0x54768c4b0c64ca6e, + 0xcb7ddcdda26da268, 0xa9942f5dcf7dfd09, + 0xfe5d54150b090b02, 0xd3f93b35435d7c4c, + 0x9efa548d26e5a6e1, 0xc47bc5014a1a6daf, + 0xc6b8e9b0709f109a, 0x359ab6419ca1091b, + 0xf867241c8cc6d4c0, 0xc30163d203c94b62, + 0x9b407691d7fc44f8, 0x79e0de63425dcf1d, + 0xc21094364dfb5636, 0x985915fc12f542e4, + 0xf294b943e17a2bc4, 0x3e6f5b7b17b2939d, + 0x979cf3ca6cec5b5a, 0xa705992ceecf9c42, + 0xbd8430bd08277231, 0x50c6ff782a838353, + 0xece53cec4a314ebd, 0xa4f8bf5635246428, + 0x940f4613ae5ed136, 0x871b7795e136be99, + 0xb913179899f68584, 0x28e2557b59846e3f, + 0xe757dd7ec07426e5, 0x331aeada2fe589cf, + 0x9096ea6f3848984f, 0x3ff0d2c85def7621, + 0xb4bca50b065abe63, 0xfed077a756b53a9, + 0xe1ebce4dc7f16dfb, 0xd3e8495912c62894, + 0x8d3360f09cf6e4bd, 0x64712dd7abbbd95c, + 0xb080392cc4349dec, 0xbd8d794d96aacfb3, + 0xdca04777f541c567, 0xecf0d7a0fc5583a0, + 0x89e42caaf9491b60, 0xf41686c49db57244, + 0xac5d37d5b79b6239, 0x311c2875c522ced5, + 0xd77485cb25823ac7, 0x7d633293366b828b, + 0x86a8d39ef77164bc, 0xae5dff9c02033197, + 0xa8530886b54dbdeb, 0xd9f57f830283fdfc, + 0xd267caa862a12d66, 0xd072df63c324fd7b, + 0x8380dea93da4bc60, 0x4247cb9e59f71e6d, + 0xa46116538d0deb78, 0x52d9be85f074e608, + 0xcd795be870516656, 0x67902e276c921f8b, + 0x806bd9714632dff6, 0xba1cd8a3db53b6, + 0xa086cfcd97bf97f3, 0x80e8a40eccd228a4, + 0xc8a883c0fdaf7df0, 0x6122cd128006b2cd, + 0xfad2a4b13d1b5d6c, 0x796b805720085f81, + 0x9cc3a6eec6311a63, 0xcbe3303674053bb0, + 0xc3f490aa77bd60fc, 0xbedbfc4411068a9c, + 0xf4f1b4d515acb93b, 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0xb3e2fd538e122b44, + 0xe7d34c64a9c85d44, 0x60dbbca87196b616, + 0x90e40fbeea1d3a4a, 0xbc8955e946fe31cd, + 0xb51d13aea4a488dd, 0x6babab6398bdbe41, + 0xe264589a4dcdab14, 0xc696963c7eed2dd1, + 0x8d7eb76070a08aec, 0xfc1e1de5cf543ca2, + 0xb0de65388cc8ada8, 0x3b25a55f43294bcb, + 0xdd15fe86affad912, 0x49ef0eb713f39ebe, + 0x8a2dbf142dfcc7ab, 0x6e3569326c784337, + 0xacb92ed9397bf996, 0x49c2c37f07965404, + 0xd7e77a8f87daf7fb, 0xdc33745ec97be906, + 0x86f0ac99b4e8dafd, 0x69a028bb3ded71a3, + 0xa8acd7c0222311bc, 0xc40832ea0d68ce0c, + 0xd2d80db02aabd62b, 0xf50a3fa490c30190, + 0x83c7088e1aab65db, 0x792667c6da79e0fa, + 0xa4b8cab1a1563f52, 0x577001b891185938, + 0xcde6fd5e09abcf26, 0xed4c0226b55e6f86, + 0x80b05e5ac60b6178, 0x544f8158315b05b4, + 0xa0dc75f1778e39d6, 0x696361ae3db1c721, + 0xc913936dd571c84c, 0x3bc3a19cd1e38e9, + 0xfb5878494ace3a5f, 0x4ab48a04065c723, + 0x9d174b2dcec0e47b, 0x62eb0d64283f9c76, + 0xc45d1df942711d9a, 0x3ba5d0bd324f8394, + 0xf5746577930d6500, 0xca8f44ec7ee36479, + 0x9968bf6abbe85f20, 0x7e998b13cf4e1ecb, + 0xbfc2ef456ae276e8, 0x9e3fedd8c321a67e, + 0xefb3ab16c59b14a2, 0xc5cfe94ef3ea101e, + 0x95d04aee3b80ece5, 0xbba1f1d158724a12, + 0xbb445da9ca61281f, 0x2a8a6e45ae8edc97, + 0xea1575143cf97226, 0xf52d09d71a3293bd, + 0x924d692ca61be758, 0x593c2626705f9c56, + 0xb6e0c377cfa2e12e, 0x6f8b2fb00c77836c, + 0xe498f455c38b997a, 0xb6dfb9c0f956447, + 0x8edf98b59a373fec, 0x4724bd4189bd5eac, + 0xb2977ee300c50fe7, 0x58edec91ec2cb657, + 0xdf3d5e9bc0f653e1, 0x2f2967b66737e3ed, + 0x8b865b215899f46c, 0xbd79e0d20082ee74, + 0xae67f1e9aec07187, 0xecd8590680a3aa11, + 0xda01ee641a708de9, 0xe80e6f4820cc9495, + 0x884134fe908658b2, 0x3109058d147fdcdd, + 0xaa51823e34a7eede, 0xbd4b46f0599fd415, + 0xd4e5e2cdc1d1ea96, 0x6c9e18ac7007c91a, + 0x850fadc09923329e, 0x3e2cf6bc604ddb0, + 0xa6539930bf6bff45, 0x84db8346b786151c, + 0xcfe87f7cef46ff16, 0xe612641865679a63, + 0x81f14fae158c5f6e, 0x4fcb7e8f3f60c07e, + 0xa26da3999aef7749, 0xe3be5e330f38f09d, + 0xcb090c8001ab551c, 0x5cadf5bfd3072cc5, + 0xfdcb4fa002162a63, 0x73d9732fc7c8f7f6, + 0x9e9f11c4014dda7e, 0x2867e7fddcdd9afa, + 0xc646d63501a1511d, 0xb281e1fd541501b8, + 0xf7d88bc24209a565, 0x1f225a7ca91a4226, + 0x9ae757596946075f, 0x3375788de9b06958, + 0xc1a12d2fc3978937, 0x52d6b1641c83ae, + 0xf209787bb47d6b84, 0xc0678c5dbd23a49a, + 0x9745eb4d50ce6332, 0xf840b7ba963646e0, + 0xbd176620a501fbff, 0xb650e5a93bc3d898, + 0xec5d3fa8ce427aff, 0xa3e51f138ab4cebe, + 0x93ba47c980e98cdf, 0xc66f336c36b10137, + 0xb8a8d9bbe123f017, 0xb80b0047445d4184, + 0xe6d3102ad96cec1d, 0xa60dc059157491e5, + 0x9043ea1ac7e41392, 0x87c89837ad68db2f, + 0xb454e4a179dd1877, 0x29babe4598c311fb, + 0xe16a1dc9d8545e94, 0xf4296dd6fef3d67a, + 0x8ce2529e2734bb1d, 0x1899e4a65f58660c, + 0xb01ae745b101e9e4, 0x5ec05dcff72e7f8f, + 0xdc21a1171d42645d, 0x76707543f4fa1f73, + 0x899504ae72497eba, 0x6a06494a791c53a8, + 0xabfa45da0edbde69, 0x487db9d17636892, + 0xd6f8d7509292d603, 0x45a9d2845d3c42b6, + 0x865b86925b9bc5c2, 0xb8a2392ba45a9b2, + 0xa7f26836f282b732, 0x8e6cac7768d7141e, + 0xd1ef0244af2364ff, 0x3207d795430cd926, + 0x8335616aed761f1f, 0x7f44e6bd49e807b8, + 0xa402b9c5a8d3a6e7, 0x5f16206c9c6209a6, + 0xcd036837130890a1, 0x36dba887c37a8c0f, + 0x802221226be55a64, 0xc2494954da2c9789, + 0xa02aa96b06deb0fd, 0xf2db9baa10b7bd6c, + 0xc83553c5c8965d3d, 0x6f92829494e5acc7, + 0xfa42a8b73abbf48c, 0xcb772339ba1f17f9, + 0x9c69a97284b578d7, 0xff2a760414536efb, + 0xc38413cf25e2d70d, 0xfef5138519684aba, + 0xf46518c2ef5b8cd1, 0x7eb258665fc25d69, + 0x98bf2f79d5993802, 0xef2f773ffbd97a61, + 0xbeeefb584aff8603, 0xaafb550ffacfd8fa, + 0xeeaaba2e5dbf6784, 0x95ba2a53f983cf38, + 0x952ab45cfa97a0b2, 0xdd945a747bf26183, + 0xba756174393d88df, 0x94f971119aeef9e4, + 0xe912b9d1478ceb17, 0x7a37cd5601aab85d, + 0x91abb422ccb812ee, 0xac62e055c10ab33a, + 0xb616a12b7fe617aa, 0x577b986b314d6009, + 0xe39c49765fdf9d94, 0xed5a7e85fda0b80b, + 0x8e41ade9fbebc27d, 0x14588f13be847307, + 0xb1d219647ae6b31c, 0x596eb2d8ae258fc8, + 0xde469fbd99a05fe3, 0x6fca5f8ed9aef3bb, + 0x8aec23d680043bee, 0x25de7bb9480d5854, + 0xada72ccc20054ae9, 0xaf561aa79a10ae6a, + 0xd910f7ff28069da4, 0x1b2ba1518094da04, + 0x87aa9aff79042286, 0x90fb44d2f05d0842, + 0xa99541bf57452b28, 0x353a1607ac744a53, + 0xd3fa922f2d1675f2, 0x42889b8997915ce8, + 0x847c9b5d7c2e09b7, 0x69956135febada11, + 0xa59bc234db398c25, 0x43fab9837e699095, + 0xcf02b2c21207ef2e, 0x94f967e45e03f4bb, + 0x8161afb94b44f57d, 0x1d1be0eebac278f5, + 0xa1ba1ba79e1632dc, 0x6462d92a69731732, + 0xca28a291859bbf93, 0x7d7b8f7503cfdcfe, + 0xfcb2cb35e702af78, 0x5cda735244c3d43e, + 0x9defbf01b061adab, 0x3a0888136afa64a7, + 0xc56baec21c7a1916, 0x88aaa1845b8fdd0, + 0xf6c69a72a3989f5b, 0x8aad549e57273d45, + 0x9a3c2087a63f6399, 0x36ac54e2f678864b, + 0xc0cb28a98fcf3c7f, 0x84576a1bb416a7dd, + 0xf0fdf2d3f3c30b9f, 0x656d44a2a11c51d5, + 0x969eb7c47859e743, 0x9f644ae5a4b1b325, + 0xbc4665b596706114, 0x873d5d9f0dde1fee, + 0xeb57ff22fc0c7959, 0xa90cb506d155a7ea, + 0x9316ff75dd87cbd8, 0x9a7f12442d588f2, + 0xb7dcbf5354e9bece, 0xc11ed6d538aeb2f, + 0xe5d3ef282a242e81, 0x8f1668c8a86da5fa, + 0x8fa475791a569d10, 0xf96e017d694487bc, + 0xb38d92d760ec4455, 0x37c981dcc395a9ac, + 0xe070f78d3927556a, 0x85bbe253f47b1417, + 0x8c469ab843b89562, 0x93956d7478ccec8e, + 0xaf58416654a6babb, 0x387ac8d1970027b2, + 0xdb2e51bfe9d0696a, 0x6997b05fcc0319e, + 0x88fcf317f22241e2, 0x441fece3bdf81f03, + 0xab3c2fddeeaad25a, 0xd527e81cad7626c3, + 0xd60b3bd56a5586f1, 0x8a71e223d8d3b074, + 0x85c7056562757456, 0xf6872d5667844e49, + 0xa738c6bebb12d16c, 0xb428f8ac016561db, + 0xd106f86e69d785c7, 0xe13336d701beba52, + 0x82a45b450226b39c, 0xecc0024661173473, + 0xa34d721642b06084, 0x27f002d7f95d0190, + 0xcc20ce9bd35c78a5, 0x31ec038df7b441f4, + 0xff290242c83396ce, 0x7e67047175a15271, + 0x9f79a169bd203e41, 0xf0062c6e984d386, + 0xc75809c42c684dd1, 0x52c07b78a3e60868, + 0xf92e0c3537826145, 0xa7709a56ccdf8a82, + 0x9bbcc7a142b17ccb, 0x88a66076400bb691, + 0xc2abf989935ddbfe, 0x6acff893d00ea435, + 0xf356f7ebf83552fe, 0x583f6b8c4124d43, + 0x98165af37b2153de, 0xc3727a337a8b704a, + 0xbe1bf1b059e9a8d6, 0x744f18c0592e4c5c, + 0xeda2ee1c7064130c, 0x1162def06f79df73, + 0x9485d4d1c63e8be7, 0x8addcb5645ac2ba8, + 0xb9a74a0637ce2ee1, 0x6d953e2bd7173692, + 0xe8111c87c5c1ba99, 0xc8fa8db6ccdd0437, + 0x910ab1d4db9914a0, 0x1d9c9892400a22a2, + 0xb54d5e4a127f59c8, 0x2503beb6d00cab4b, + 0xe2a0b5dc971f303a, 0x2e44ae64840fd61d, + 0x8da471a9de737e24, 0x5ceaecfed289e5d2, + 0xb10d8e1456105dad, 0x7425a83e872c5f47, + 0xdd50f1996b947518, 0xd12f124e28f77719, + 0x8a5296ffe33cc92f, 0x82bd6b70d99aaa6f, + 0xace73cbfdc0bfb7b, 0x636cc64d1001550b, + 0xd8210befd30efa5a, 0x3c47f7e05401aa4e, + 0x8714a775e3e95c78, 0x65acfaec34810a71, + 0xa8d9d1535ce3b396, 0x7f1839a741a14d0d, + 0xd31045a8341ca07c, 0x1ede48111209a050, + 0x83ea2b892091e44d, 0x934aed0aab460432, + 0xa4e4b66b68b65d60, 0xf81da84d5617853f, + 0xce1de40642e3f4b9, 0x36251260ab9d668e, + 0x80d2ae83e9ce78f3, 0xc1d72b7c6b426019, + 0xa1075a24e4421730, 0xb24cf65b8612f81f, + 0xc94930ae1d529cfc, 0xdee033f26797b627, + 0xfb9b7cd9a4a7443c, 0x169840ef017da3b1, + 0x9d412e0806e88aa5, 0x8e1f289560ee864e, + 0xc491798a08a2ad4e, 0xf1a6f2bab92a27e2, + 0xf5b5d7ec8acb58a2, 0xae10af696774b1db, + 0x9991a6f3d6bf1765, 0xacca6da1e0a8ef29, + 0xbff610b0cc6edd3f, 0x17fd090a58d32af3, + 0xeff394dcff8a948e, 0xddfc4b4cef07f5b0, + 0x95f83d0a1fb69cd9, 0x4abdaf101564f98e, + 0xbb764c4ca7a4440f, 0x9d6d1ad41abe37f1, + 0xea53df5fd18d5513, 0x84c86189216dc5ed, + 0x92746b9be2f8552c, 0x32fd3cf5b4e49bb4, + 0xb7118682dbb66a77, 0x3fbc8c33221dc2a1, + 0xe4d5e82392a40515, 0xfabaf3feaa5334a, + 0x8f05b1163ba6832d, 0x29cb4d87f2a7400e, + 0xb2c71d5bca9023f8, 0x743e20e9ef511012, + 0xdf78e4b2bd342cf6, 0x914da9246b255416, + 0x8bab8eefb6409c1a, 0x1ad089b6c2f7548e, + 0xae9672aba3d0c320, 0xa184ac2473b529b1, + 0xda3c0f568cc4f3e8, 0xc9e5d72d90a2741e, + 0x8865899617fb1871, 0x7e2fa67c7a658892, + 0xaa7eebfb9df9de8d, 0xddbb901b98feeab7, + 0xd51ea6fa85785631, 0x552a74227f3ea565, + 0x8533285c936b35de, 0xd53a88958f87275f, + 0xa67ff273b8460356, 0x8a892abaf368f137, + 0xd01fef10a657842c, 0x2d2b7569b0432d85, + 0x8213f56a67f6b29b, 0x9c3b29620e29fc73, + 0xa298f2c501f45f42, 0x8349f3ba91b47b8f, + 0xcb3f2f7642717713, 0x241c70a936219a73, + 0xfe0efb53d30dd4d7, 0xed238cd383aa0110, + 0x9ec95d1463e8a506, 0xf4363804324a40aa, + 0xc67bb4597ce2ce48, 0xb143c6053edcd0d5, + 0xf81aa16fdc1b81da, 0xdd94b7868e94050a, + 0x9b10a4e5e9913128, 0xca7cf2b4191c8326, + 0xc1d4ce1f63f57d72, 0xfd1c2f611f63a3f0, + 0xf24a01a73cf2dccf, 0xbc633b39673c8cec, + 0x976e41088617ca01, 0xd5be0503e085d813, + 0xbd49d14aa79dbc82, 0x4b2d8644d8a74e18, + 0xec9c459d51852ba2, 0xddf8e7d60ed1219e, + 0x93e1ab8252f33b45, 0xcabb90e5c942b503, + 0xb8da1662e7b00a17, 0x3d6a751f3b936243, + 0xe7109bfba19c0c9d, 0xcc512670a783ad4, + 0x906a617d450187e2, 0x27fb2b80668b24c5, + 0xb484f9dc9641e9da, 0xb1f9f660802dedf6, + 0xe1a63853bbd26451, 0x5e7873f8a0396973, + 0x8d07e33455637eb2, 0xdb0b487b6423e1e8, + 0xb049dc016abc5e5f, 0x91ce1a9a3d2cda62, + 0xdc5c5301c56b75f7, 0x7641a140cc7810fb, + 0x89b9b3e11b6329ba, 0xa9e904c87fcb0a9d, + 0xac2820d9623bf429, 0x546345fa9fbdcd44, + 0xd732290fbacaf133, 0xa97c177947ad4095, + 0x867f59a9d4bed6c0, 0x49ed8eabcccc485d, + 0xa81f301449ee8c70, 0x5c68f256bfff5a74, + 0xd226fc195c6a2f8c, 0x73832eec6fff3111, + 0x83585d8fd9c25db7, 0xc831fd53c5ff7eab, + 0xa42e74f3d032f525, 0xba3e7ca8b77f5e55, + 0xcd3a1230c43fb26f, 0x28ce1bd2e55f35eb, + 0x80444b5e7aa7cf85, 0x7980d163cf5b81b3, + 0xa0555e361951c366, 0xd7e105bcc332621f, + 0xc86ab5c39fa63440, 0x8dd9472bf3fefaa7, + 0xfa856334878fc150, 0xb14f98f6f0feb951, + 0x9c935e00d4b9d8d2, 0x6ed1bf9a569f33d3, + 0xc3b8358109e84f07, 0xa862f80ec4700c8, + 0xf4a642e14c6262c8, 0xcd27bb612758c0fa, + 0x98e7e9cccfbd7dbd, 0x8038d51cb897789c, + 0xbf21e44003acdd2c, 0xe0470a63e6bd56c3, + 0xeeea5d5004981478, 0x1858ccfce06cac74, + 0x95527a5202df0ccb, 0xf37801e0c43ebc8, + 0xbaa718e68396cffd, 0xd30560258f54e6ba, + 0xe950df20247c83fd, 0x47c6b82ef32a2069, + 0x91d28b7416cdd27e, 0x4cdc331d57fa5441, + 0xb6472e511c81471d, 0xe0133fe4adf8e952, + 0xe3d8f9e563a198e5, 0x58180fddd97723a6, + 0x8e679c2f5e44ff8f, 0x570f09eaa7ea7648, + }; }; template <class unused> -constexpr uint64_t powers_template<unused>::power_of_five_128[number_of_entries]; +constexpr uint64_t + powers_template<unused>::power_of_five_128[number_of_entries]; using powers = powers_template<>; diff --git a/contrib/restricted/fast_float/include/fast_float/float_common.h b/contrib/restricted/fast_float/include/fast_float/float_common.h index 1c9835976c..909765450d 100644 --- a/contrib/restricted/fast_float/include/fast_float/float_common.h +++ b/contrib/restricted/fast_float/include/fast_float/float_common.h @@ -8,9 +8,9 @@ #include <type_traits> #include <system_error> #ifdef __has_include - #if __has_include(<stdfloat>) && (__cplusplus > 202002L || _MSVC_LANG > 202002L) - #error #include <stdfloat> - #endif +#if __has_include(<stdfloat>) && (__cplusplus > 202002L || _MSVC_LANG > 202002L) +#error #include <stdfloat> +#endif #endif #include "constexpr_feature_detect.h" @@ -32,18 +32,16 @@ enum chars_format { general = fixed | scientific }; -template <typename UC> -struct from_chars_result_t { - UC const* ptr; +template <typename UC> struct from_chars_result_t { + UC const *ptr; std::errc ec; }; using from_chars_result = from_chars_result_t<char>; -template <typename UC> -struct parse_options_t { +template <typename UC> struct parse_options_t { constexpr explicit parse_options_t(chars_format fmt = chars_format::general, - UC dot = UC('.')) - : format(fmt), decimal_point(dot) {} + UC dot = UC('.')) + : format(fmt), decimal_point(dot) {} /** Which number formats are accepted */ chars_format format; @@ -52,39 +50,41 @@ struct parse_options_t { }; using parse_options = parse_options_t<char>; -} +} // namespace fast_float #if FASTFLOAT_HAS_BIT_CAST #include <bit> #endif -#if (defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) \ - || defined(__amd64) || defined(__aarch64__) || defined(_M_ARM64) \ - || defined(__MINGW64__) \ - || defined(__s390x__) \ - || (defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) || defined(__PPC64LE__)) \ - || defined(__loongarch64) ) +#if (defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \ + defined(__amd64) || defined(__aarch64__) || defined(_M_ARM64) || \ + defined(__MINGW64__) || defined(__s390x__) || \ + (defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) || \ + defined(__PPC64LE__)) || \ + defined(__loongarch64)) #define FASTFLOAT_64BIT 1 -#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) \ - || defined(__arm__) || defined(_M_ARM) || defined(__ppc__) \ - || defined(__MINGW32__) || defined(__EMSCRIPTEN__)) +#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ + defined(__arm__) || defined(_M_ARM) || defined(__ppc__) || \ + defined(__MINGW32__) || defined(__EMSCRIPTEN__)) #define FASTFLOAT_32BIT 1 #else // Need to check incrementally, since SIZE_MAX is a size_t, avoid overflow. - // We can never tell the register width, but the SIZE_MAX is a good approximation. - // UINTPTR_MAX and INTPTR_MAX are optional, so avoid them for max portability. - #if SIZE_MAX == 0xffff - #error Unknown platform (16-bit, unsupported) - #elif SIZE_MAX == 0xffffffff - #define FASTFLOAT_32BIT 1 - #elif SIZE_MAX == 0xffffffffffffffff - #define FASTFLOAT_64BIT 1 - #else - #error Unknown platform (not 32-bit, not 64-bit?) - #endif -#endif - -#if ((defined(_WIN32) || defined(_WIN64)) && !defined(__clang__)) +// We can never tell the register width, but the SIZE_MAX is a good +// approximation. UINTPTR_MAX and INTPTR_MAX are optional, so avoid them for max +// portability. +#if SIZE_MAX == 0xffff +#error Unknown platform (16-bit, unsupported) +#elif SIZE_MAX == 0xffffffff +#define FASTFLOAT_32BIT 1 +#elif SIZE_MAX == 0xffffffffffffffff +#define FASTFLOAT_64BIT 1 +#else +#error Unknown platform (not 32-bit, not 64-bit?) +#endif +#endif + +#if ((defined(_WIN32) || defined(_WIN64)) && !defined(__clang__)) || \ + (defined(_M_ARM64) && !defined(__MINGW32__)) #include <intrin.h> #endif @@ -128,9 +128,9 @@ using parse_options = parse_options_t<char>; #endif #endif -#if defined(__SSE2__) || \ - (defined(FASTFLOAT_VISUAL_STUDIO) && \ - (defined(_M_AMD64) || defined(_M_X64) || (defined(_M_IX86_FP) && _M_IX86_FP == 2))) +#if defined(__SSE2__) || (defined(FASTFLOAT_VISUAL_STUDIO) && \ + (defined(_M_AMD64) || defined(_M_X64) || \ + (defined(_M_IX86_FP) && _M_IX86_FP == 2))) #define FASTFLOAT_SSE2 1 #endif @@ -144,22 +144,19 @@ using parse_options = parse_options_t<char>; #if defined(__GNUC__) // disable -Wcast-align=strict (GCC only) -#define FASTFLOAT_SIMD_DISABLE_WARNINGS \ - _Pragma("GCC diagnostic push") \ - _Pragma("GCC diagnostic ignored \"-Wcast-align\"") +#define FASTFLOAT_SIMD_DISABLE_WARNINGS \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Wcast-align\"") #else #define FASTFLOAT_SIMD_DISABLE_WARNINGS #endif #if defined(__GNUC__) -#define FASTFLOAT_SIMD_RESTORE_WARNINGS \ - _Pragma("GCC diagnostic pop") +#define FASTFLOAT_SIMD_RESTORE_WARNINGS _Pragma("GCC diagnostic pop") #else #define FASTFLOAT_SIMD_RESTORE_WARNINGS #endif - - #ifdef FASTFLOAT_VISUAL_STUDIO #define fastfloat_really_inline __forceinline #else @@ -167,18 +164,24 @@ using parse_options = parse_options_t<char>; #endif #ifndef FASTFLOAT_ASSERT -#define FASTFLOAT_ASSERT(x) { ((void)(x)); } +#define FASTFLOAT_ASSERT(x) \ + { ((void)(x)); } #endif #ifndef FASTFLOAT_DEBUG_ASSERT -#define FASTFLOAT_DEBUG_ASSERT(x) { ((void)(x)); } +#define FASTFLOAT_DEBUG_ASSERT(x) \ + { ((void)(x)); } #endif // rust style `try!()` macro, or `?` operator -#define FASTFLOAT_TRY(x) { if (!(x)) return false; } - -#define FASTFLOAT_ENABLE_IF(...) typename std::enable_if<(__VA_ARGS__), int>::type +#define FASTFLOAT_TRY(x) \ + { \ + if (!(x)) \ + return false; \ + } +#define FASTFLOAT_ENABLE_IF(...) \ + typename std::enable_if<(__VA_ARGS__), int>::type namespace fast_float { @@ -194,27 +197,24 @@ template <typename T> fastfloat_really_inline constexpr bool is_supported_float_type() { return std::is_same<T, float>::value || std::is_same<T, double>::value #if __STDCPP_FLOAT32_T__ - || std::is_same<T, std::float32_t>::value + || std::is_same<T, std::float32_t>::value #endif #if __STDCPP_FLOAT64_T__ - || std::is_same<T, std::float64_t>::value + || std::is_same<T, std::float64_t>::value #endif - ; + ; } template <typename UC> fastfloat_really_inline constexpr bool is_supported_char_type() { - return - std::is_same<UC, char>::value || - std::is_same<UC, wchar_t>::value || - std::is_same<UC, char16_t>::value || - std::is_same<UC, char32_t>::value; + return std::is_same<UC, char>::value || std::is_same<UC, wchar_t>::value || + std::is_same<UC, char16_t>::value || std::is_same<UC, char32_t>::value; } // Compares two ASCII strings in a case insensitive manner. template <typename UC> inline FASTFLOAT_CONSTEXPR14 bool -fastfloat_strncasecmp(UC const * input1, UC const * input2, size_t length) { +fastfloat_strncasecmp(UC const *input1, UC const *input2, size_t length) { char running_diff{0}; for (size_t i = 0; i < length; ++i) { running_diff |= (char(input1[i]) ^ char(input2[i])); @@ -227,18 +227,15 @@ fastfloat_strncasecmp(UC const * input1, UC const * input2, size_t length) { #endif // a pointer and a length to a contiguous block of memory -template <typename T> -struct span { - const T* ptr; +template <typename T> struct span { + const T *ptr; size_t length; - constexpr span(const T* _ptr, size_t _length) : ptr(_ptr), length(_length) {} + constexpr span(const T *_ptr, size_t _length) : ptr(_ptr), length(_length) {} constexpr span() : ptr(nullptr), length(0) {} - constexpr size_t len() const noexcept { - return length; - } + constexpr size_t len() const noexcept { return length; } - FASTFLOAT_CONSTEXPR14 const T& operator[](size_t index) const noexcept { + FASTFLOAT_CONSTEXPR14 const T &operator[](size_t index) const noexcept { FASTFLOAT_DEBUG_ASSERT(index < length); return ptr[index]; } @@ -252,34 +249,51 @@ struct value128 { }; /* Helper C++14 constexpr generic implementation of leading_zeroes */ -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -int leading_zeroes_generic(uint64_t input_num, int last_bit = 0) { - if(input_num & uint64_t(0xffffffff00000000)) { input_num >>= 32; last_bit |= 32; } - if(input_num & uint64_t( 0xffff0000)) { input_num >>= 16; last_bit |= 16; } - if(input_num & uint64_t( 0xff00)) { input_num >>= 8; last_bit |= 8; } - if(input_num & uint64_t( 0xf0)) { input_num >>= 4; last_bit |= 4; } - if(input_num & uint64_t( 0xc)) { input_num >>= 2; last_bit |= 2; } - if(input_num & uint64_t( 0x2)) { /* input_num >>= 1; */ last_bit |= 1; } - return 63 - last_bit; +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int +leading_zeroes_generic(uint64_t input_num, int last_bit = 0) { + if (input_num & uint64_t(0xffffffff00000000)) { + input_num >>= 32; + last_bit |= 32; + } + if (input_num & uint64_t(0xffff0000)) { + input_num >>= 16; + last_bit |= 16; + } + if (input_num & uint64_t(0xff00)) { + input_num >>= 8; + last_bit |= 8; + } + if (input_num & uint64_t(0xf0)) { + input_num >>= 4; + last_bit |= 4; + } + if (input_num & uint64_t(0xc)) { + input_num >>= 2; + last_bit |= 2; + } + if (input_num & uint64_t(0x2)) { /* input_num >>= 1; */ + last_bit |= 1; + } + return 63 - last_bit; } /* result might be undefined when input_num is zero */ -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -int leading_zeroes(uint64_t input_num) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 int +leading_zeroes(uint64_t input_num) { assert(input_num > 0); if (cpp20_and_in_constexpr()) { return leading_zeroes_generic(input_num); } #ifdef FASTFLOAT_VISUAL_STUDIO - #if defined(_M_X64) || defined(_M_ARM64) +#if defined(_M_X64) || defined(_M_ARM64) unsigned long leading_zero = 0; // Search the mask data from most significant bit (MSB) // to least significant bit (LSB) for a set bit (1). _BitScanReverse64(&leading_zero, input_num); return (int)(63 - leading_zero); - #else +#else return leading_zeroes_generic(input_num); - #endif +#endif #else return __builtin_clzll(input_num); #endif @@ -287,11 +301,11 @@ int leading_zeroes(uint64_t input_num) { // slow emulation routine for 32-bit fastfloat_really_inline constexpr uint64_t emulu(uint32_t x, uint32_t y) { - return x * (uint64_t)y; + return x * (uint64_t)y; } -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -uint64_t umul128_generic(uint64_t ab, uint64_t cd, uint64_t *hi) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t +umul128_generic(uint64_t ab, uint64_t cd, uint64_t *hi) { uint64_t ad = emulu((uint32_t)(ab >> 32), (uint32_t)cd); uint64_t bd = emulu((uint32_t)ab, (uint32_t)cd); uint64_t adbc = ad + emulu((uint32_t)ab, (uint32_t)(cd >> 32)); @@ -306,18 +320,18 @@ uint64_t umul128_generic(uint64_t ab, uint64_t cd, uint64_t *hi) { // slow emulation routine for 32-bit #if !defined(__MINGW64__) -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -uint64_t _umul128(uint64_t ab, uint64_t cd, uint64_t *hi) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t _umul128(uint64_t ab, + uint64_t cd, + uint64_t *hi) { return umul128_generic(ab, cd, hi); } #endif // !__MINGW64__ #endif // FASTFLOAT_32BIT - // compute 64-bit a*b -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -value128 full_multiplication(uint64_t a, uint64_t b) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128 +full_multiplication(uint64_t a, uint64_t b) { if (cpp20_and_in_constexpr()) { value128 answer; answer.low = umul128_generic(a, b, &answer.high); @@ -359,22 +373,24 @@ constexpr static int32_t invalid_am_bias = -0x8000; // used for binary_format_lookup_tables<T>::max_mantissa constexpr uint64_t constant_55555 = 5 * 5 * 5 * 5 * 5; -template <typename T, typename U = void> -struct binary_format_lookup_tables; +template <typename T, typename U = void> struct binary_format_lookup_tables; template <typename T> struct binary_format : binary_format_lookup_tables<T> { - using equiv_uint = typename std::conditional<sizeof(T) == 4, uint32_t, uint64_t>::type; + using equiv_uint = + typename std::conditional<sizeof(T) == 4, uint32_t, uint64_t>::type; static inline constexpr int mantissa_explicit_bits(); static inline constexpr int minimum_exponent(); static inline constexpr int infinite_power(); static inline constexpr int sign_index(); - static inline constexpr int min_exponent_fast_path(); // used when fegetround() == FE_TONEAREST + static inline constexpr int + min_exponent_fast_path(); // used when fegetround() == FE_TONEAREST static inline constexpr int max_exponent_fast_path(); static inline constexpr int max_exponent_round_to_even(); static inline constexpr int min_exponent_round_to_even(); static inline constexpr uint64_t max_mantissa_fast_path(int64_t power); - static inline constexpr uint64_t max_mantissa_fast_path(); // used when fegetround() == FE_TONEAREST + static inline constexpr uint64_t + max_mantissa_fast_path(); // used when fegetround() == FE_TONEAREST static inline constexpr int largest_power_of_ten(); static inline constexpr int smallest_power_of_ten(); static inline constexpr T exact_power_of_ten(int64_t power); @@ -384,39 +400,46 @@ template <typename T> struct binary_format : binary_format_lookup_tables<T> { static inline constexpr equiv_uint hidden_bit_mask(); }; -template <typename U> -struct binary_format_lookup_tables<double, U> { +template <typename U> struct binary_format_lookup_tables<double, U> { static constexpr double powers_of_ten[] = { 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19, 1e20, 1e21, 1e22}; // Largest integer value v so that (5**index * v) <= 1<<53. - // 0x10000000000000 == 1 << 53 + // 0x20000000000000 == 1 << 53 static constexpr uint64_t max_mantissa[] = { - 0x10000000000000, - 0x10000000000000 / 5, - 0x10000000000000 / (5 * 5), - 0x10000000000000 / (5 * 5 * 5), - 0x10000000000000 / (5 * 5 * 5 * 5), - 0x10000000000000 / (constant_55555), - 0x10000000000000 / (constant_55555 * 5), - 0x10000000000000 / (constant_55555 * 5 * 5), - 0x10000000000000 / (constant_55555 * 5 * 5 * 5), - 0x10000000000000 / (constant_55555 * 5 * 5 * 5 * 5), - 0x10000000000000 / (constant_55555 * constant_55555), - 0x10000000000000 / (constant_55555 * constant_55555 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * 5 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * 5 * 5 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555 * 5 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5), - 0x10000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5 * 5)}; + 0x20000000000000, + 0x20000000000000 / 5, + 0x20000000000000 / (5 * 5), + 0x20000000000000 / (5 * 5 * 5), + 0x20000000000000 / (5 * 5 * 5 * 5), + 0x20000000000000 / (constant_55555), + 0x20000000000000 / (constant_55555 * 5), + 0x20000000000000 / (constant_55555 * 5 * 5), + 0x20000000000000 / (constant_55555 * 5 * 5 * 5), + 0x20000000000000 / (constant_55555 * 5 * 5 * 5 * 5), + 0x20000000000000 / (constant_55555 * constant_55555), + 0x20000000000000 / (constant_55555 * constant_55555 * 5), + 0x20000000000000 / (constant_55555 * constant_55555 * 5 * 5), + 0x20000000000000 / (constant_55555 * constant_55555 * 5 * 5 * 5), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5), + 0x20000000000000 / + (constant_55555 * constant_55555 * constant_55555 * 5 * 5), + 0x20000000000000 / + (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5), + 0x20000000000000 / + (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5 * 5), + 0x20000000000000 / + (constant_55555 * constant_55555 * constant_55555 * constant_55555), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * + constant_55555 * 5), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * + constant_55555 * 5 * 5), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * + constant_55555 * 5 * 5 * 5), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * + constant_55555 * 5 * 5 * 5 * 5)}; }; template <typename U> @@ -425,26 +448,25 @@ constexpr double binary_format_lookup_tables<double, U>::powers_of_ten[]; template <typename U> constexpr uint64_t binary_format_lookup_tables<double, U>::max_mantissa[]; -template <typename U> -struct binary_format_lookup_tables<float, U> { +template <typename U> struct binary_format_lookup_tables<float, U> { static constexpr float powers_of_ten[] = {1e0f, 1e1f, 1e2f, 1e3f, 1e4f, 1e5f, - 1e6f, 1e7f, 1e8f, 1e9f, 1e10f}; + 1e6f, 1e7f, 1e8f, 1e9f, 1e10f}; // Largest integer value v so that (5**index * v) <= 1<<24. // 0x1000000 == 1<<24 static constexpr uint64_t max_mantissa[] = { - 0x1000000, - 0x1000000 / 5, - 0x1000000 / (5 * 5), - 0x1000000 / (5 * 5 * 5), - 0x1000000 / (5 * 5 * 5 * 5), - 0x1000000 / (constant_55555), - 0x1000000 / (constant_55555 * 5), - 0x1000000 / (constant_55555 * 5 * 5), - 0x1000000 / (constant_55555 * 5 * 5 * 5), - 0x1000000 / (constant_55555 * 5 * 5 * 5 * 5), - 0x1000000 / (constant_55555 * constant_55555), - 0x1000000 / (constant_55555 * constant_55555 * 5)}; + 0x1000000, + 0x1000000 / 5, + 0x1000000 / (5 * 5), + 0x1000000 / (5 * 5 * 5), + 0x1000000 / (5 * 5 * 5 * 5), + 0x1000000 / (constant_55555), + 0x1000000 / (constant_55555 * 5), + 0x1000000 / (constant_55555 * 5 * 5), + 0x1000000 / (constant_55555 * 5 * 5 * 5), + 0x1000000 / (constant_55555 * 5 * 5 * 5 * 5), + 0x1000000 / (constant_55555 * constant_55555), + 0x1000000 / (constant_55555 * constant_55555 * 5)}; }; template <typename U> @@ -453,7 +475,8 @@ constexpr float binary_format_lookup_tables<float, U>::powers_of_ten[]; template <typename U> constexpr uint64_t binary_format_lookup_tables<float, U>::max_mantissa[]; -template <> inline constexpr int binary_format<double>::min_exponent_fast_path() { +template <> +inline constexpr int binary_format<double>::min_exponent_fast_path() { #if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0) return 0; #else @@ -461,7 +484,8 @@ template <> inline constexpr int binary_format<double>::min_exponent_fast_path() #endif } -template <> inline constexpr int binary_format<float>::min_exponent_fast_path() { +template <> +inline constexpr int binary_format<float>::min_exponent_fast_path() { #if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0) return 0; #else @@ -469,26 +493,32 @@ template <> inline constexpr int binary_format<float>::min_exponent_fast_path() #endif } -template <> inline constexpr int binary_format<double>::mantissa_explicit_bits() { +template <> +inline constexpr int binary_format<double>::mantissa_explicit_bits() { return 52; } -template <> inline constexpr int binary_format<float>::mantissa_explicit_bits() { +template <> +inline constexpr int binary_format<float>::mantissa_explicit_bits() { return 23; } -template <> inline constexpr int binary_format<double>::max_exponent_round_to_even() { +template <> +inline constexpr int binary_format<double>::max_exponent_round_to_even() { return 23; } -template <> inline constexpr int binary_format<float>::max_exponent_round_to_even() { +template <> +inline constexpr int binary_format<float>::max_exponent_round_to_even() { return 10; } -template <> inline constexpr int binary_format<double>::min_exponent_round_to_even() { +template <> +inline constexpr int binary_format<double>::min_exponent_round_to_even() { return -4; } -template <> inline constexpr int binary_format<float>::min_exponent_round_to_even() { +template <> +inline constexpr int binary_format<float>::min_exponent_round_to_even() { return -17; } @@ -506,30 +536,42 @@ template <> inline constexpr int binary_format<float>::infinite_power() { return 0xFF; } -template <> inline constexpr int binary_format<double>::sign_index() { return 63; } -template <> inline constexpr int binary_format<float>::sign_index() { return 31; } +template <> inline constexpr int binary_format<double>::sign_index() { + return 63; +} +template <> inline constexpr int binary_format<float>::sign_index() { + return 31; +} -template <> inline constexpr int binary_format<double>::max_exponent_fast_path() { +template <> +inline constexpr int binary_format<double>::max_exponent_fast_path() { return 22; } -template <> inline constexpr int binary_format<float>::max_exponent_fast_path() { +template <> +inline constexpr int binary_format<float>::max_exponent_fast_path() { return 10; } -template <> inline constexpr uint64_t binary_format<double>::max_mantissa_fast_path() { +template <> +inline constexpr uint64_t binary_format<double>::max_mantissa_fast_path() { return uint64_t(2) << mantissa_explicit_bits(); } -template <> inline constexpr uint64_t binary_format<double>::max_mantissa_fast_path(int64_t power) { +template <> +inline constexpr uint64_t +binary_format<double>::max_mantissa_fast_path(int64_t power) { // caller is responsible to ensure that // power >= 0 && power <= 22 // // Work around clang bug https://godbolt.org/z/zedh7rrhc return (void)max_mantissa[0], max_mantissa[power]; } -template <> inline constexpr uint64_t binary_format<float>::max_mantissa_fast_path() { +template <> +inline constexpr uint64_t binary_format<float>::max_mantissa_fast_path() { return uint64_t(2) << mantissa_explicit_bits(); } -template <> inline constexpr uint64_t binary_format<float>::max_mantissa_fast_path(int64_t power) { +template <> +inline constexpr uint64_t +binary_format<float>::max_mantissa_fast_path(int64_t power) { // caller is responsible to ensure that // power >= 0 && power <= 10 // @@ -538,7 +580,8 @@ template <> inline constexpr uint64_t binary_format<float>::max_mantissa_fast_pa } template <> -inline constexpr double binary_format<double>::exact_power_of_ten(int64_t power) { +inline constexpr double +binary_format<double>::exact_power_of_ten(int64_t power) { // Work around clang bug https://godbolt.org/z/zedh7rrhc return (void)powers_of_ten[0], powers_of_ten[power]; } @@ -548,13 +591,10 @@ inline constexpr float binary_format<float>::exact_power_of_ten(int64_t power) { return (void)powers_of_ten[0], powers_of_ten[power]; } - -template <> -inline constexpr int binary_format<double>::largest_power_of_ten() { +template <> inline constexpr int binary_format<double>::largest_power_of_ten() { return 308; } -template <> -inline constexpr int binary_format<float>::largest_power_of_ten() { +template <> inline constexpr int binary_format<float>::largest_power_of_ten() { return 38; } @@ -562,8 +602,7 @@ template <> inline constexpr int binary_format<double>::smallest_power_of_ten() { return -342; } -template <> -inline constexpr int binary_format<float>::smallest_power_of_ten() { +template <> inline constexpr int binary_format<float>::smallest_power_of_ten() { return -64; } @@ -574,39 +613,46 @@ template <> inline constexpr size_t binary_format<float>::max_digits() { return 114; } -template <> inline constexpr binary_format<float>::equiv_uint - binary_format<float>::exponent_mask() { +template <> +inline constexpr binary_format<float>::equiv_uint +binary_format<float>::exponent_mask() { return 0x7F800000; } -template <> inline constexpr binary_format<double>::equiv_uint - binary_format<double>::exponent_mask() { +template <> +inline constexpr binary_format<double>::equiv_uint +binary_format<double>::exponent_mask() { return 0x7FF0000000000000; } -template <> inline constexpr binary_format<float>::equiv_uint - binary_format<float>::mantissa_mask() { +template <> +inline constexpr binary_format<float>::equiv_uint +binary_format<float>::mantissa_mask() { return 0x007FFFFF; } -template <> inline constexpr binary_format<double>::equiv_uint - binary_format<double>::mantissa_mask() { +template <> +inline constexpr binary_format<double>::equiv_uint +binary_format<double>::mantissa_mask() { return 0x000FFFFFFFFFFFFF; } -template <> inline constexpr binary_format<float>::equiv_uint - binary_format<float>::hidden_bit_mask() { +template <> +inline constexpr binary_format<float>::equiv_uint +binary_format<float>::hidden_bit_mask() { return 0x00800000; } -template <> inline constexpr binary_format<double>::equiv_uint - binary_format<double>::hidden_bit_mask() { +template <> +inline constexpr binary_format<double>::equiv_uint +binary_format<double>::hidden_bit_mask() { return 0x0010000000000000; } -template<typename T> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void to_float(bool negative, adjusted_mantissa am, T &value) { +template <typename T> +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +to_float(bool negative, adjusted_mantissa am, T &value) { using fastfloat_uint = typename binary_format<T>::equiv_uint; fastfloat_uint word = (fastfloat_uint)am.mantissa; - word |= fastfloat_uint(am.power2) << binary_format<T>::mantissa_explicit_bits(); + word |= fastfloat_uint(am.power2) + << binary_format<T>::mantissa_explicit_bits(); word |= fastfloat_uint(negative) << binary_format<T>::sign_index(); #if FASTFLOAT_HAS_BIT_CAST value = std::bit_cast<T>(word); @@ -616,151 +662,123 @@ void to_float(bool negative, adjusted_mantissa am, T &value) { } #ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default -template <typename = void> -struct space_lut { +template <typename = void> struct space_lut { static constexpr bool value[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; }; -template <typename T> -constexpr bool space_lut<T>::value[]; +template <typename T> constexpr bool space_lut<T>::value[]; inline constexpr bool is_space(uint8_t c) { return space_lut<>::value[c]; } #endif -template<typename UC> -static constexpr uint64_t int_cmp_zeros() -{ - static_assert((sizeof(UC) == 1) || (sizeof(UC) == 2) || (sizeof(UC) == 4), "Unsupported character size"); - return (sizeof(UC) == 1) ? 0x3030303030303030 : (sizeof(UC) == 2) ? (uint64_t(UC('0')) << 48 | uint64_t(UC('0')) << 32 | uint64_t(UC('0')) << 16 | UC('0')) : (uint64_t(UC('0')) << 32 | UC('0')); -} -template<typename UC> -static constexpr int int_cmp_len() -{ - return sizeof(uint64_t) / sizeof(UC); -} -template<typename UC> -static constexpr UC const * str_const_nan() -{ - return nullptr; +template <typename UC> static constexpr uint64_t int_cmp_zeros() { + static_assert((sizeof(UC) == 1) || (sizeof(UC) == 2) || (sizeof(UC) == 4), + "Unsupported character size"); + return (sizeof(UC) == 1) ? 0x3030303030303030 + : (sizeof(UC) == 2) + ? (uint64_t(UC('0')) << 48 | uint64_t(UC('0')) << 32 | + uint64_t(UC('0')) << 16 | UC('0')) + : (uint64_t(UC('0')) << 32 | UC('0')); } -template<> -constexpr char const * str_const_nan<char>() -{ - return "nan"; +template <typename UC> static constexpr int int_cmp_len() { + return sizeof(uint64_t) / sizeof(UC); } -template<> -constexpr wchar_t const * str_const_nan<wchar_t>() -{ - return L"nan"; +template <typename UC> static constexpr UC const *str_const_nan() { + return nullptr; } -template<> -constexpr char16_t const * str_const_nan<char16_t>() -{ - return u"nan"; +template <> constexpr char const *str_const_nan<char>() { return "nan"; } +template <> constexpr wchar_t const *str_const_nan<wchar_t>() { return L"nan"; } +template <> constexpr char16_t const *str_const_nan<char16_t>() { + return u"nan"; } -template<> -constexpr char32_t const * str_const_nan<char32_t>() -{ - return U"nan"; +template <> constexpr char32_t const *str_const_nan<char32_t>() { + return U"nan"; } -template<typename UC> -static constexpr UC const * str_const_inf() -{ - return nullptr; +template <typename UC> static constexpr UC const *str_const_inf() { + return nullptr; } -template<> -constexpr char const * str_const_inf<char>() -{ - return "infinity"; +template <> constexpr char const *str_const_inf<char>() { return "infinity"; } +template <> constexpr wchar_t const *str_const_inf<wchar_t>() { + return L"infinity"; } -template<> -constexpr wchar_t const * str_const_inf<wchar_t>() -{ - return L"infinity"; +template <> constexpr char16_t const *str_const_inf<char16_t>() { + return u"infinity"; } -template<> -constexpr char16_t const * str_const_inf<char16_t>() -{ - return u"infinity"; +template <> constexpr char32_t const *str_const_inf<char32_t>() { + return U"infinity"; } -template<> -constexpr char32_t const * str_const_inf<char32_t>() -{ - return U"infinity"; -} - -template <typename = void> -struct int_luts { +template <typename = void> struct int_luts { static constexpr uint8_t chdigit[] = { - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 255, 255, 255, 255, 255, 255, - 255, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 255, 255, 255, 255, 255, - 255, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 - }; + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 255, 255, + 255, 255, 255, 255, 255, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 255, 255, 255, 255, 255, 255, 10, 11, 12, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255}; static constexpr size_t maxdigits_u64[] = { - 64, 41, 32, 28, 25, 23, 22, 21, - 20, 19, 18, 18, 17, 17, 16, 16, - 16, 16, 15, 15, 15, 15, 14, 14, - 14, 14, 14, 14, 14, 13, 13, 13, - 13, 13, 13 - }; + 64, 41, 32, 28, 25, 23, 22, 21, 20, 19, 18, 18, 17, 17, 16, 16, 16, 16, + 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13}; static constexpr uint64_t min_safe_u64[] = { - 9223372036854775808ull, 12157665459056928801ull, 4611686018427387904, 7450580596923828125, 4738381338321616896, - 3909821048582988049, 9223372036854775808ull, 12157665459056928801ull, 10000000000000000000ull, 5559917313492231481, - 2218611106740436992, 8650415919381337933, 2177953337809371136, 6568408355712890625, 1152921504606846976, - 2862423051509815793, 6746640616477458432, 15181127029874798299ull, 1638400000000000000, 3243919932521508681, - 6221821273427820544, 11592836324538749809ull, 876488338465357824, 1490116119384765625, 2481152873203736576, - 4052555153018976267, 6502111422497947648, 10260628712958602189ull, 15943230000000000000ull, 787662783788549761, - 1152921504606846976, 1667889514952984961, 2386420683693101056, 3379220508056640625, 4738381338321616896 - }; + 9223372036854775808ull, 12157665459056928801ull, 4611686018427387904, + 7450580596923828125, 4738381338321616896, 3909821048582988049, + 9223372036854775808ull, 12157665459056928801ull, 10000000000000000000ull, + 5559917313492231481, 2218611106740436992, 8650415919381337933, + 2177953337809371136, 6568408355712890625, 1152921504606846976, + 2862423051509815793, 6746640616477458432, 15181127029874798299ull, + 1638400000000000000, 3243919932521508681, 6221821273427820544, + 11592836324538749809ull, 876488338465357824, 1490116119384765625, + 2481152873203736576, 4052555153018976267, 6502111422497947648, + 10260628712958602189ull, 15943230000000000000ull, 787662783788549761, + 1152921504606846976, 1667889514952984961, 2386420683693101056, + 3379220508056640625, 4738381338321616896}; }; -template <typename T> -constexpr uint8_t int_luts<T>::chdigit[]; +template <typename T> constexpr uint8_t int_luts<T>::chdigit[]; -template <typename T> -constexpr size_t int_luts<T>::maxdigits_u64[]; +template <typename T> constexpr size_t int_luts<T>::maxdigits_u64[]; -template <typename T> -constexpr uint64_t int_luts<T>::min_safe_u64[]; +template <typename T> constexpr uint64_t int_luts<T>::min_safe_u64[]; template <typename UC> -fastfloat_really_inline -constexpr uint8_t ch_to_digit(UC c) { return int_luts<>::chdigit[static_cast<unsigned char>(c)]; } +fastfloat_really_inline constexpr uint8_t ch_to_digit(UC c) { + return int_luts<>::chdigit[static_cast<unsigned char>(c)]; +} -fastfloat_really_inline -constexpr size_t max_digits_u64(int base) { return int_luts<>::maxdigits_u64[base - 2]; } +fastfloat_really_inline constexpr size_t max_digits_u64(int base) { + return int_luts<>::maxdigits_u64[base - 2]; +} // If a u64 is exactly max_digits_u64() in length, this is -// the value below which it has definitely overflowed. -fastfloat_really_inline -constexpr uint64_t min_safe_u64(int base) { return int_luts<>::min_safe_u64[base - 2]; } +// the value below which it has definitely overflowed. +fastfloat_really_inline constexpr uint64_t min_safe_u64(int base) { + return int_luts<>::min_safe_u64[base - 2]; +} } // namespace fast_float diff --git a/contrib/restricted/fast_float/include/fast_float/parse_number.h b/contrib/restricted/fast_float/include/fast_float/parse_number.h index 57bcf46b74..6d883fb96e 100644 --- a/contrib/restricted/fast_float/include/fast_float/parse_number.h +++ b/contrib/restricted/fast_float/include/fast_float/parse_number.h @@ -12,7 +12,6 @@ #include <system_error> namespace fast_float { - namespace detail { /** * Special case +inf, -inf, nan, infinity, -infinity. @@ -20,45 +19,53 @@ namespace detail { * strings a null-free and fixed. **/ template <typename T, typename UC> -from_chars_result_t<UC> FASTFLOAT_CONSTEXPR14 -parse_infnan(UC const * first, UC const * last, T &value) noexcept { +from_chars_result_t<UC> FASTFLOAT_CONSTEXPR14 parse_infnan(UC const *first, + UC const *last, + T &value) noexcept { from_chars_result_t<UC> answer{}; answer.ptr = first; answer.ec = std::errc(); // be optimistic bool minusSign = false; - if (*first == UC('-')) { // assume first < last, so dereference without checks; C++17 20.19.3.(7.1) explicitly forbids '+' here - minusSign = true; - ++first; + if (*first == + UC('-')) { // assume first < last, so dereference without checks; + // C++17 20.19.3.(7.1) explicitly forbids '+' here + minusSign = true; + ++first; } #ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default if (*first == UC('+')) { - ++first; + ++first; } #endif if (last - first >= 3) { if (fastfloat_strncasecmp(first, str_const_nan<UC>(), 3)) { answer.ptr = (first += 3); - value = minusSign ? -std::numeric_limits<T>::quiet_NaN() : std::numeric_limits<T>::quiet_NaN(); - // Check for possible nan(n-char-seq-opt), C++17 20.19.3.7, C11 7.20.1.3.3. At least MSVC produces nan(ind) and nan(snan). - if(first != last && *first == UC('(')) { - for(UC const * ptr = first + 1; ptr != last; ++ptr) { + value = minusSign ? -std::numeric_limits<T>::quiet_NaN() + : std::numeric_limits<T>::quiet_NaN(); + // Check for possible nan(n-char-seq-opt), C++17 20.19.3.7, + // C11 7.20.1.3.3. At least MSVC produces nan(ind) and nan(snan). + if (first != last && *first == UC('(')) { + for (UC const *ptr = first + 1; ptr != last; ++ptr) { if (*ptr == UC(')')) { answer.ptr = ptr + 1; // valid nan(n-char-seq-opt) break; - } - else if(!((UC('a') <= *ptr && *ptr <= UC('z')) || (UC('A') <= *ptr && *ptr <= UC('Z')) || (UC('0') <= *ptr && *ptr <= UC('9')) || *ptr == UC('_'))) + } else if (!((UC('a') <= *ptr && *ptr <= UC('z')) || + (UC('A') <= *ptr && *ptr <= UC('Z')) || + (UC('0') <= *ptr && *ptr <= UC('9')) || *ptr == UC('_'))) break; // forbidden char, not nan(n-char-seq-opt) } } return answer; } if (fastfloat_strncasecmp(first, str_const_inf<UC>(), 3)) { - if ((last - first >= 8) && fastfloat_strncasecmp(first + 3, str_const_inf<UC>() + 3, 5)) { + if ((last - first >= 8) && + fastfloat_strncasecmp(first + 3, str_const_inf<UC>() + 3, 5)) { answer.ptr = first + 8; } else { answer.ptr = first + 3; } - value = minusSign ? -std::numeric_limits<T>::infinity() : std::numeric_limits<T>::infinity(); + value = minusSign ? -std::numeric_limits<T>::infinity() + : std::numeric_limits<T>::infinity(); return answer; } } @@ -88,71 +95,69 @@ fastfloat_really_inline bool rounds_to_nearest() noexcept { // // The volatile keywoard prevents the compiler from computing the function // at compile-time. - // There might be other ways to prevent compile-time optimizations (e.g., asm). - // The value does not need to be std::numeric_limits<float>::min(), any small - // value so that 1 + x should round to 1 would do (after accounting for excess - // precision, as in 387 instructions). + // There might be other ways to prevent compile-time optimizations (e.g., + // asm). The value does not need to be std::numeric_limits<float>::min(), any + // small value so that 1 + x should round to 1 would do (after accounting for + // excess precision, as in 387 instructions). static volatile float fmin = std::numeric_limits<float>::min(); float fmini = fmin; // we copy it so that it gets loaded at most once. - // - // Explanation: - // Only when fegetround() == FE_TONEAREST do we have that - // fmin + 1.0f == 1.0f - fmin. - // - // FE_UPWARD: - // fmin + 1.0f > 1 - // 1.0f - fmin == 1 - // - // FE_DOWNWARD or FE_TOWARDZERO: - // fmin + 1.0f == 1 - // 1.0f - fmin < 1 - // - // Note: This may fail to be accurate if fast-math has been - // enabled, as rounding conventions may not apply. - #ifdef FASTFLOAT_VISUAL_STUDIO - # pragma warning(push) - // todo: is there a VS warning? - // see https://stackoverflow.com/questions/46079446/is-there-a-warning-for-floating-point-equality-checking-in-visual-studio-2013 - #elif defined(__clang__) - # pragma clang diagnostic push - # pragma clang diagnostic ignored "-Wfloat-equal" - #elif defined(__GNUC__) - # pragma GCC diagnostic push - # pragma GCC diagnostic ignored "-Wfloat-equal" - #endif +// +// Explanation: +// Only when fegetround() == FE_TONEAREST do we have that +// fmin + 1.0f == 1.0f - fmin. +// +// FE_UPWARD: +// fmin + 1.0f > 1 +// 1.0f - fmin == 1 +// +// FE_DOWNWARD or FE_TOWARDZERO: +// fmin + 1.0f == 1 +// 1.0f - fmin < 1 +// +// Note: This may fail to be accurate if fast-math has been +// enabled, as rounding conventions may not apply. +#ifdef FASTFLOAT_VISUAL_STUDIO +#pragma warning(push) +// todo: is there a VS warning? +// see +// https://stackoverflow.com/questions/46079446/is-there-a-warning-for-floating-point-equality-checking-in-visual-studio-2013 +#elif defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wfloat-equal" +#elif defined(__GNUC__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wfloat-equal" +#endif return (fmini + 1.0f == 1.0f - fmini); - #ifdef FASTFLOAT_VISUAL_STUDIO - # pragma warning(pop) - #elif defined(__clang__) - # pragma clang diagnostic pop - #elif defined(__GNUC__) - # pragma GCC diagnostic pop - #endif +#ifdef FASTFLOAT_VISUAL_STUDIO +#pragma warning(pop) +#elif defined(__clang__) +#pragma clang diagnostic pop +#elif defined(__GNUC__) +#pragma GCC diagnostic pop +#endif } } // namespace detail -template <typename T> -struct from_chars_caller -{ +template <typename T> struct from_chars_caller { template <typename UC> - FASTFLOAT_CONSTEXPR20 - static from_chars_result_t<UC> call(UC const * first, UC const * last, - T &value, parse_options_t<UC> options) noexcept { + FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC> + call(UC const *first, UC const *last, T &value, + parse_options_t<UC> options) noexcept { return from_chars_advanced(first, last, value, options); } }; #if __STDCPP_FLOAT32_T__ == 1 -template <> -struct from_chars_caller<std::float32_t> -{ +template <> struct from_chars_caller<std::float32_t> { template <typename UC> - FASTFLOAT_CONSTEXPR20 - static from_chars_result_t<UC> call(UC const * first, UC const * last, - std::float32_t &value, parse_options_t<UC> options) noexcept{ - // if std::float32_t is defined, and we are in C++23 mode; macro set for float32; - // set value to float due to equivalence between float and float32_t + FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC> + call(UC const *first, UC const *last, std::float32_t &value, + parse_options_t<UC> options) noexcept { + // if std::float32_t is defined, and we are in C++23 mode; macro set for + // float32; set value to float due to equivalence between float and + // float32_t float val; auto ret = from_chars_advanced(first, last, val, options); value = val; @@ -162,15 +167,14 @@ struct from_chars_caller<std::float32_t> #endif #if __STDCPP_FLOAT64_T__ == 1 -template <> -struct from_chars_caller<std::float64_t> -{ +template <> struct from_chars_caller<std::float64_t> { template <typename UC> - FASTFLOAT_CONSTEXPR20 - static from_chars_result_t<UC> call(UC const * first, UC const * last, - std::float64_t &value, parse_options_t<UC> options) noexcept{ - // if std::float64_t is defined, and we are in C++23 mode; macro set for float64; - // set value as double due to equivalence between double and float64_t + FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC> + call(UC const *first, UC const *last, std::float64_t &value, + parse_options_t<UC> options) noexcept { + // if std::float64_t is defined, and we are in C++23 mode; macro set for + // float64; set value as double due to equivalence between double and + // float64_t double val; auto ret = from_chars_advanced(first, last, val, options); value = val; @@ -179,26 +183,27 @@ struct from_chars_caller<std::float64_t> }; #endif - -template<typename T, typename UC, typename> -FASTFLOAT_CONSTEXPR20 -from_chars_result_t<UC> from_chars(UC const * first, UC const * last, - T &value, chars_format fmt /*= chars_format::general*/) noexcept { - return from_chars_caller<T>::call(first, last, value, parse_options_t<UC>(fmt)); +template <typename T, typename UC, typename> +FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> +from_chars(UC const *first, UC const *last, T &value, + chars_format fmt /*= chars_format::general*/) noexcept { + return from_chars_caller<T>::call(first, last, value, + parse_options_t<UC>(fmt)); } /** - * This function overload takes parsed_number_string_t structure that is created and populated - * either by from_chars_advanced function taking chars range and parsing options - * or other parsing custom function implemented by user. + * This function overload takes parsed_number_string_t structure that is created + * and populated either by from_chars_advanced function taking chars range and + * parsing options or other parsing custom function implemented by user. */ -template<typename T, typename UC> -FASTFLOAT_CONSTEXPR20 -from_chars_result_t<UC> from_chars_advanced(parsed_number_string_t<UC>& pns, - T &value) noexcept { +template <typename T, typename UC> +FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> +from_chars_advanced(parsed_number_string_t<UC> &pns, T &value) noexcept { - static_assert (is_supported_float_type<T>(), "only some floating-point types are supported"); - static_assert (is_supported_char_type<UC>(), "only char, wchar_t, char16_t and char32_t are supported"); + static_assert(is_supported_float_type<T>(), + "only some floating-point types are supported"); + static_assert(is_supported_char_type<UC>(), + "only char, wchar_t, char16_t and char32_t are supported"); from_chars_result_t<UC> answer; @@ -207,9 +212,11 @@ from_chars_result_t<UC> from_chars_advanced(parsed_number_string_t<UC>& pns, // The implementation of the Clinger's fast path is convoluted because // we want round-to-nearest in all cases, irrespective of the rounding mode // selected on the thread. - // We proceed optimistically, assuming that detail::rounds_to_nearest() returns - // true. - if (binary_format<T>::min_exponent_fast_path() <= pns.exponent && pns.exponent <= binary_format<T>::max_exponent_fast_path() && !pns.too_many_digits) { + // We proceed optimistically, assuming that detail::rounds_to_nearest() + // returns true. + if (binary_format<T>::min_exponent_fast_path() <= pns.exponent && + pns.exponent <= binary_format<T>::max_exponent_fast_path() && + !pns.too_many_digits) { // Unfortunately, the conventional Clinger's fast path is only possible // when the system rounds to the nearest float. // @@ -217,60 +224,78 @@ from_chars_result_t<UC> from_chars_advanced(parsed_number_string_t<UC>& pns, // We could check it first (before the previous branch), but // there might be performance advantages at having the check // be last. - if(!cpp20_and_in_constexpr() && detail::rounds_to_nearest()) { + if (!cpp20_and_in_constexpr() && detail::rounds_to_nearest()) { // We have that fegetround() == FE_TONEAREST. // Next is Clinger's fast path. - if (pns.mantissa <=binary_format<T>::max_mantissa_fast_path()) { + if (pns.mantissa <= binary_format<T>::max_mantissa_fast_path()) { value = T(pns.mantissa); - if (pns.exponent < 0) { value = value / binary_format<T>::exact_power_of_ten(-pns.exponent); } - else { value = value * binary_format<T>::exact_power_of_ten(pns.exponent); } - if (pns.negative) { value = -value; } + if (pns.exponent < 0) { + value = value / binary_format<T>::exact_power_of_ten(-pns.exponent); + } else { + value = value * binary_format<T>::exact_power_of_ten(pns.exponent); + } + if (pns.negative) { + value = -value; + } return answer; } } else { // We do not have that fegetround() == FE_TONEAREST. - // Next is a modified Clinger's fast path, inspired by Jakub Jelínek's proposal - if (pns.exponent >= 0 && pns.mantissa <=binary_format<T>::max_mantissa_fast_path(pns.exponent)) { + // Next is a modified Clinger's fast path, inspired by Jakub Jelínek's + // proposal + if (pns.exponent >= 0 && + pns.mantissa <= + binary_format<T>::max_mantissa_fast_path(pns.exponent)) { #if defined(__clang__) || defined(FASTFLOAT_32BIT) // Clang may map 0 to -0.0 when fegetround() == FE_DOWNWARD - if(pns.mantissa == 0) { + if (pns.mantissa == 0) { value = pns.negative ? T(-0.) : T(0.); return answer; } #endif - value = T(pns.mantissa) * binary_format<T>::exact_power_of_ten(pns.exponent); - if (pns.negative) { value = -value; } + value = T(pns.mantissa) * + binary_format<T>::exact_power_of_ten(pns.exponent); + if (pns.negative) { + value = -value; + } return answer; } } } - adjusted_mantissa am = compute_float<binary_format<T>>(pns.exponent, pns.mantissa); - if(pns.too_many_digits && am.power2 >= 0) { - if(am != compute_float<binary_format<T>>(pns.exponent, pns.mantissa + 1)) { + adjusted_mantissa am = + compute_float<binary_format<T>>(pns.exponent, pns.mantissa); + if (pns.too_many_digits && am.power2 >= 0) { + if (am != compute_float<binary_format<T>>(pns.exponent, pns.mantissa + 1)) { am = compute_error<binary_format<T>>(pns.exponent, pns.mantissa); } } - // If we called compute_float<binary_format<T>>(pns.exponent, pns.mantissa) and we have an invalid power (am.power2 < 0), - // then we need to go the long way around again. This is very uncommon. - if(am.power2 < 0) { am = digit_comp<T>(pns, am); } + // If we called compute_float<binary_format<T>>(pns.exponent, pns.mantissa) + // and we have an invalid power (am.power2 < 0), then we need to go the long + // way around again. This is very uncommon. + if (am.power2 < 0) { + am = digit_comp<T>(pns, am); + } to_float(pns.negative, am, value); // Test for over/underflow. - if ((pns.mantissa != 0 && am.mantissa == 0 && am.power2 == 0) || am.power2 == binary_format<T>::infinite_power()) { + if ((pns.mantissa != 0 && am.mantissa == 0 && am.power2 == 0) || + am.power2 == binary_format<T>::infinite_power()) { answer.ec = std::errc::result_out_of_range; } return answer; } -template<typename T, typename UC> -FASTFLOAT_CONSTEXPR20 -from_chars_result_t<UC> from_chars_advanced(UC const * first, UC const * last, - T &value, parse_options_t<UC> options) noexcept { +template <typename T, typename UC> +FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> +from_chars_advanced(UC const *first, UC const *last, T &value, + parse_options_t<UC> options) noexcept { - static_assert (is_supported_float_type<T>(), "only some floating-point types are supported"); - static_assert (is_supported_char_type<UC>(), "only char, wchar_t, char16_t and char32_t are supported"); + static_assert(is_supported_float_type<T>(), + "only some floating-point types are supported"); + static_assert(is_supported_char_type<UC>(), + "only char, wchar_t, char16_t and char32_t are supported"); from_chars_result_t<UC> answer; -#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default +#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default while ((first != last) && fast_float::is_space(uint8_t(*first))) { first++; } @@ -280,7 +305,8 @@ from_chars_result_t<UC> from_chars_advanced(UC const * first, UC const * last, answer.ptr = first; return answer; } - parsed_number_string_t<UC> pns = parse_number_string<UC>(first, last, options); + parsed_number_string_t<UC> pns = + parse_number_string<UC>(first, last, options); if (!pns.valid) { if (options.format & chars_format::no_infnan) { answer.ec = std::errc::invalid_argument; @@ -295,14 +321,14 @@ from_chars_result_t<UC> from_chars_advanced(UC const * first, UC const * last, return from_chars_advanced(pns, value); } - template <typename T, typename UC, typename> -FASTFLOAT_CONSTEXPR20 -from_chars_result_t<UC> from_chars(UC const* first, UC const* last, T& value, int base) noexcept { - static_assert (is_supported_char_type<UC>(), "only char, wchar_t, char16_t and char32_t are supported"); +FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> +from_chars(UC const *first, UC const *last, T &value, int base) noexcept { + static_assert(is_supported_char_type<UC>(), + "only char, wchar_t, char16_t and char32_t are supported"); from_chars_result_t<UC> answer; -#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default +#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default while ((first != last) && fast_float::is_space(uint8_t(*first))) { first++; } diff --git a/contrib/restricted/fast_float/ya.make b/contrib/restricted/fast_float/ya.make index 4fb29bba96..2149e7dfee 100644 --- a/contrib/restricted/fast_float/ya.make +++ b/contrib/restricted/fast_float/ya.make @@ -10,9 +10,9 @@ LICENSE( LICENSE_TEXTS(.yandex_meta/licenses.list.txt) -VERSION(6.1.3) +VERSION(6.1.4) -ORIGINAL_SOURCE(https://github.com/fastfloat/fast_float/archive/v6.1.3.tar.gz) +ORIGINAL_SOURCE(https://github.com/fastfloat/fast_float/archive/v6.1.4.tar.gz) NO_COMPILER_WARNINGS() |