diff options
author | monster <monster@ydb.tech> | 2022-07-07 14:41:37 +0300 |
---|---|---|
committer | monster <monster@ydb.tech> | 2022-07-07 14:41:37 +0300 |
commit | 06e5c21a835c0e923506c4ff27929f34e00761c2 (patch) | |
tree | 75efcbc6854ef9bd476eb8bf00cc5c900da436a2 /contrib/restricted/fast_float | |
parent | 03f024c4412e3aa613bb543cf1660176320ba8f4 (diff) | |
download | ydb-06e5c21a835c0e923506c4ff27929f34e00761c2.tar.gz |
fix ya.make
Diffstat (limited to 'contrib/restricted/fast_float')
5 files changed, 0 insertions, 830 deletions
diff --git a/contrib/restricted/fast_float/.yandex_meta/devtools.copyrights.report b/contrib/restricted/fast_float/.yandex_meta/devtools.copyrights.report deleted file mode 100644 index 9d52ed34b5..0000000000 --- a/contrib/restricted/fast_float/.yandex_meta/devtools.copyrights.report +++ /dev/null @@ -1,52 +0,0 @@ -# File format ($ symbol means the beginning of a line): -# -# $ # this message -# $ # ======================= -# $ # comments (all commentaries should starts with some number of spaces and # symbol) -# ${action} {license id} {license text hash} -# $BELONGS ./ya/make/file/relative/path/1/ya.make ./ya/make/2/ya.make -# ${all_file_action} filename -# $ # user commentaries (many lines) -# $ generated description - files with this license, license text... (some number of lines that starts with some number of spaces, do not modify) -# ${action} {license spdx} {license text hash} -# $BELONGS ./ya/make/file/relative/path/3/ya.make -# ${all_file_action} filename -# $ # user commentaries -# $ generated description -# $ ... -# -# You can modify action, all_file_action and add commentaries -# Available actions: -# keep - keep license in contrib and use in credits -# skip - skip license -# remove - remove all files with this license -# rename - save license text/links into licenses texts file, but not store SPDX into LINCENSE macro. You should store correct license id into devtools.license.spdx.txt file -# -# {all file action} records will be generated when license text contains filename that exists on filesystem (in contrib directory) -# We suppose that that files can contain some license info -# Available all file actions: -# FILE_IGNORE - ignore file (do nothing) -# FILE_INCLUDE - include all file data into licenses text file -# ======================= - -KEEP COPYRIGHT_SERVICE_LABEL 3f8e6ecc96f8543539ce4b548cdc9afb -BELONGS ya.make - License text: - Copyright 2021 The fast_float authors - Scancode info: - Original SPDX id: COPYRIGHT_SERVICE_LABEL - Score : 100.00 - Match type : COPYRIGHT - Files with this license: - LICENSE-APACHE [178:178] - -KEEP COPYRIGHT_SERVICE_LABEL 82ebfb92cb87bd05a6fa255f5b15c9c8 -BELONGS ya.make - License text: - Copyright (c) 2021 The fast_float authors - Scancode info: - Original SPDX id: COPYRIGHT_SERVICE_LABEL - Score : 100.00 - Match type : COPYRIGHT - Files with this license: - LICENSE-MIT [3:3] diff --git a/contrib/restricted/fast_float/.yandex_meta/devtools.licenses.report b/contrib/restricted/fast_float/.yandex_meta/devtools.licenses.report deleted file mode 100644 index 8800c37c87..0000000000 --- a/contrib/restricted/fast_float/.yandex_meta/devtools.licenses.report +++ /dev/null @@ -1,144 +0,0 @@ -# File format ($ symbol means the beginning of a line): -# -# $ # this message -# $ # ======================= -# $ # comments (all commentaries should starts with some number of spaces and # symbol) -# ${action} {license id} {license text hash} -# $BELONGS ./ya/make/file/relative/path/1/ya.make ./ya/make/2/ya.make -# ${all_file_action} filename -# $ # user commentaries (many lines) -# $ generated description - files with this license, license text... (some number of lines that starts with some number of spaces, do not modify) -# ${action} {license spdx} {license text hash} -# $BELONGS ./ya/make/file/relative/path/3/ya.make -# ${all_file_action} filename -# $ # user commentaries -# $ generated description -# $ ... -# -# You can modify action, all_file_action and add commentaries -# Available actions: -# keep - keep license in contrib and use in credits -# skip - skip license -# remove - remove all files with this license -# rename - save license text/links into licenses texts file, but not store SPDX into LINCENSE macro. You should store correct license id into devtools.license.spdx.txt file -# -# {all file action} records will be generated when license text contains filename that exists on filesystem (in contrib directory) -# We suppose that that files can contain some license info -# Available all file actions: -# FILE_IGNORE - ignore file (do nothing) -# FILE_INCLUDE - include all file data into licenses text file -# ======================= - -KEEP Apache-2.0 AND MIT 245f2cf2a981943544eac8f7e2843ceb -BELONGS ya.make - Note: matched license text is too long. Read it in the source files. - Scancode info: - Original SPDX id: Apache-2.0 - Score : 50.70 - Match type : NOTICE - Links : http://www.apache.org/licenses/, http://www.apache.org/licenses/LICENSE-2.0, https://spdx.org/licenses/Apache-2.0 - Files with this license: - README.md [203:217] - Scancode info: - Original SPDX id: MIT - Score : 50.70 - Match type : NOTICE - Links : http://opensource.org/licenses/mit-license.php, https://spdx.org/licenses/MIT - Files with this license: - README.md [203:217] - -KEEP MIT 399584035c417b91040964779555dfac -BELONGS ya.make - License text: - MIT License - Scancode info: - Original SPDX id: MIT - Score : 100.00 - Match type : REFERENCE - Links : http://opensource.org/licenses/mit-license.php, https://spdx.org/licenses/MIT - Files with this license: - LICENSE-MIT [1:1] - -KEEP MIT 5040e467e8fd4daf9f11f923fb91a69f -BELONGS ya.make -FILE_INCLUDE AUTHORS found in files: LICENSE-MIT at line 23 - Note: matched license text is too long. Read it in the source files. - Scancode info: - Original SPDX id: MIT - Score : 100.00 - Match type : TEXT - Links : http://opensource.org/licenses/mit-license.php, https://spdx.org/licenses/MIT - Files with this license: - LICENSE-MIT [5:27] - -SKIP LicenseRef-scancode-unknown-license-reference 5332daea95b50b06c92625648767000b -BELONGS ya.make - License text: - Licensed under either of <a href="LICENSE-APACHE">Apache License, Version - Scancode info: - Original SPDX id: LicenseRef-scancode-unknown-license-reference - Score : 11.00 - Match type : INTRO - Links : https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/licenses/unknown-license-reference.LICENSE - Files with this license: - README.md [208:208] - -KEEP Apache-2.0 5e7d4154fa46facc827f6086a0b6b5d1 -BELONGS ya.make - License text: - under the Apache 2.0 license. - Scancode info: - Original SPDX id: Apache-2.0 - Score : 100.00 - Match type : NOTICE - Links : http://www.apache.org/licenses/, http://www.apache.org/licenses/LICENSE-2.0, https://spdx.org/licenses/Apache-2.0 - Files with this license: - README.md [203:203] - -KEEP Apache-2.0 62795c4c9961569de215634277f01a15 -BELONGS ya.make - License text: - Licensed under either of <a href="LICENSE-APACHE">Apache License, Version - Scancode info: - Original SPDX id: Apache-2.0 - Score : 90.00 - Match type : TAG - Links : http://www.apache.org/licenses/, http://www.apache.org/licenses/LICENSE-2.0, https://spdx.org/licenses/Apache-2.0 - Files with this license: - README.md [208:208] - -KEEP Apache-2.0 922a268d401707c0a55929c692c037a5 -BELONGS ya.make - License text: - Licensed under either of <a href="LICENSE-APACHE">Apache License, Version - 2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option. - Scancode info: - Original SPDX id: Apache-2.0 - Score : 100.00 - Match type : REFERENCE - Links : http://www.apache.org/licenses/, http://www.apache.org/licenses/LICENSE-2.0, https://spdx.org/licenses/Apache-2.0 - Files with this license: - README.md [208:209] - -KEEP MIT cf519141cd6049a5930eb400ab733edc -BELONGS ya.make - License text: - 2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option. - Scancode info: - Original SPDX id: MIT - Score : 100.00 - Match type : TAG - Links : http://opensource.org/licenses/mit-license.php, https://spdx.org/licenses/MIT - Files with this license: - README.md [209:209] - -KEEP Apache-2.0 fb21a7d67961597593aefff800484f8d -BELONGS ya.make - Note: matched license text is too long. Read it in the source files. - Scancode info: - Original SPDX id: Apache-2.0 - Score : 99.60 - Match type : TEXT - Links : http://www.apache.org/licenses/, http://www.apache.org/licenses/LICENSE-2.0, https://spdx.org/licenses/Apache-2.0 - Files with this license: - LICENSE-APACHE [1:190] diff --git a/contrib/restricted/fast_float/.yandex_meta/licenses.list.txt b/contrib/restricted/fast_float/.yandex_meta/licenses.list.txt deleted file mode 100644 index ede17de705..0000000000 --- a/contrib/restricted/fast_float/.yandex_meta/licenses.list.txt +++ /dev/null @@ -1,268 +0,0 @@ -====================Apache-2.0==================== - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. 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In no event and under no legal theory, - whether in tort (including negligence), contract, or otherwise, - unless required by applicable law (such as deliberate and grossly - negligent acts) or agreed to in writing, shall any Contributor be - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - - 9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. 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\ No newline at end of file diff --git a/contrib/restricted/fast_float/CONTRIBUTORS b/contrib/restricted/fast_float/CONTRIBUTORS deleted file mode 100644 index 58a037cc55..0000000000 --- a/contrib/restricted/fast_float/CONTRIBUTORS +++ /dev/null @@ -1,6 +0,0 @@ -Eugene Golushkov -Maksim Kita -Marcin Wojdyr -Neal Richardson -Tim Paine -Fabio Pellacini diff --git a/contrib/restricted/fast_float/include/fast_float/simple_decimal_conversion.h b/contrib/restricted/fast_float/include/fast_float/simple_decimal_conversion.h deleted file mode 100644 index e87801480b..0000000000 --- a/contrib/restricted/fast_float/include/fast_float/simple_decimal_conversion.h +++ /dev/null @@ -1,360 +0,0 @@ -#ifndef FASTFLOAT_GENERIC_DECIMAL_TO_BINARY_H -#define FASTFLOAT_GENERIC_DECIMAL_TO_BINARY_H - -/** - * This code is meant to handle the case where we have more than 19 digits. - * - * It is based on work by Nigel Tao (at https://github.com/google/wuffs/) - * who credits Ken Thompson for the design (via a reference to the Go source - * code). - * - * Rob Pike suggested that this algorithm be called "Simple Decimal Conversion". - * - * It is probably not very fast but it is a fallback that should almost never - * be used in real life. Though it is not fast, it is "easily" understood and debugged. - **/ -#include "ascii_number.h" -#include "decimal_to_binary.h" -#include <cstdint> - -namespace fast_float { - -namespace detail { - -// remove all final zeroes -inline void trim(decimal &h) { - while ((h.num_digits > 0) && (h.digits[h.num_digits - 1] == 0)) { - h.num_digits--; - } -} - - - -inline uint32_t number_of_digits_decimal_left_shift(const decimal &h, uint32_t shift) { - shift &= 63; - constexpr uint16_t number_of_digits_decimal_left_shift_table[65] = { - 0x0000, 0x0800, 0x0801, 0x0803, 0x1006, 0x1009, 0x100D, 0x1812, 0x1817, - 0x181D, 0x2024, 0x202B, 0x2033, 0x203C, 0x2846, 0x2850, 0x285B, 0x3067, - 0x3073, 0x3080, 0x388E, 0x389C, 0x38AB, 0x38BB, 0x40CC, 0x40DD, 0x40EF, - 0x4902, 0x4915, 0x4929, 0x513E, 0x5153, 0x5169, 0x5180, 0x5998, 0x59B0, - 0x59C9, 0x61E3, 0x61FD, 0x6218, 0x6A34, 0x6A50, 0x6A6D, 0x6A8B, 0x72AA, - 0x72C9, 0x72E9, 0x7B0A, 0x7B2B, 0x7B4D, 0x8370, 0x8393, 0x83B7, 0x83DC, - 0x8C02, 0x8C28, 0x8C4F, 0x9477, 0x949F, 0x94C8, 0x9CF2, 0x051C, 0x051C, - 0x051C, 0x051C, - }; - uint32_t x_a = number_of_digits_decimal_left_shift_table[shift]; - uint32_t x_b = number_of_digits_decimal_left_shift_table[shift + 1]; - uint32_t num_new_digits = x_a >> 11; - uint32_t pow5_a = 0x7FF & x_a; - uint32_t pow5_b = 0x7FF & x_b; - constexpr uint8_t - number_of_digits_decimal_left_shift_table_powers_of_5[0x051C] = { - 5, 2, 5, 1, 2, 5, 6, 2, 5, 3, 1, 2, 5, 1, 5, 6, 2, 5, 7, 8, 1, 2, 5, 3, - 9, 0, 6, 2, 5, 1, 9, 5, 3, 1, 2, 5, 9, 7, 6, 5, 6, 2, 5, 4, 8, 8, 2, 8, - 1, 2, 5, 2, 4, 4, 1, 4, 0, 6, 2, 5, 1, 2, 2, 0, 7, 0, 3, 1, 2, 5, 6, 1, - 0, 3, 5, 1, 5, 6, 2, 5, 3, 0, 5, 1, 7, 5, 7, 8, 1, 2, 5, 1, 5, 2, 5, 8, - 7, 8, 9, 0, 6, 2, 5, 7, 6, 2, 9, 3, 9, 4, 5, 3, 1, 2, 5, 3, 8, 1, 4, 6, - 9, 7, 2, 6, 5, 6, 2, 5, 1, 9, 0, 7, 3, 4, 8, 6, 3, 2, 8, 1, 2, 5, 9, 5, - 3, 6, 7, 4, 3, 1, 6, 4, 0, 6, 2, 5, 4, 7, 6, 8, 3, 7, 1, 5, 8, 2, 0, 3, - 1, 2, 5, 2, 3, 8, 4, 1, 8, 5, 7, 9, 1, 0, 1, 5, 6, 2, 5, 1, 1, 9, 2, 0, - 9, 2, 8, 9, 5, 5, 0, 7, 8, 1, 2, 5, 5, 9, 6, 0, 4, 6, 4, 4, 7, 7, 5, 3, - 9, 0, 6, 2, 5, 2, 9, 8, 0, 2, 3, 2, 2, 3, 8, 7, 6, 9, 5, 3, 1, 2, 5, 1, - 4, 9, 0, 1, 1, 6, 1, 1, 9, 3, 8, 4, 7, 6, 5, 6, 2, 5, 7, 4, 5, 0, 5, 8, - 0, 5, 9, 6, 9, 2, 3, 8, 2, 8, 1, 2, 5, 3, 7, 2, 5, 2, 9, 0, 2, 9, 8, 4, - 6, 1, 9, 1, 4, 0, 6, 2, 5, 1, 8, 6, 2, 6, 4, 5, 1, 4, 9, 2, 3, 0, 9, 5, - 7, 0, 3, 1, 2, 5, 9, 3, 1, 3, 2, 2, 5, 7, 4, 6, 1, 5, 4, 7, 8, 5, 1, 5, - 6, 2, 5, 4, 6, 5, 6, 6, 1, 2, 8, 7, 3, 0, 7, 7, 3, 9, 2, 5, 7, 8, 1, 2, - 5, 2, 3, 2, 8, 3, 0, 6, 4, 3, 6, 5, 3, 8, 6, 9, 6, 2, 8, 9, 0, 6, 2, 5, - 1, 1, 6, 4, 1, 5, 3, 2, 1, 8, 2, 6, 9, 3, 4, 8, 1, 4, 4, 5, 3, 1, 2, 5, - 5, 8, 2, 0, 7, 6, 6, 0, 9, 1, 3, 4, 6, 7, 4, 0, 7, 2, 2, 6, 5, 6, 2, 5, - 2, 9, 1, 0, 3, 8, 3, 0, 4, 5, 6, 7, 3, 3, 7, 0, 3, 6, 1, 3, 2, 8, 1, 2, - 5, 1, 4, 5, 5, 1, 9, 1, 5, 2, 2, 8, 3, 6, 6, 8, 5, 1, 8, 0, 6, 6, 4, 0, - 6, 2, 5, 7, 2, 7, 5, 9, 5, 7, 6, 1, 4, 1, 8, 3, 4, 2, 5, 9, 0, 3, 3, 2, - 0, 3, 1, 2, 5, 3, 6, 3, 7, 9, 7, 8, 8, 0, 7, 0, 9, 1, 7, 1, 2, 9, 5, 1, - 6, 6, 0, 1, 5, 6, 2, 5, 1, 8, 1, 8, 9, 8, 9, 4, 0, 3, 5, 4, 5, 8, 5, 6, - 4, 7, 5, 8, 3, 0, 0, 7, 8, 1, 2, 5, 9, 0, 9, 4, 9, 4, 7, 0, 1, 7, 7, 2, - 9, 2, 8, 2, 3, 7, 9, 1, 5, 0, 3, 9, 0, 6, 2, 5, 4, 5, 4, 7, 4, 7, 3, 5, - 0, 8, 8, 6, 4, 6, 4, 1, 1, 8, 9, 5, 7, 5, 1, 9, 5, 3, 1, 2, 5, 2, 2, 7, - 3, 7, 3, 6, 7, 5, 4, 4, 3, 2, 3, 2, 0, 5, 9, 4, 7, 8, 7, 5, 9, 7, 6, 5, - 6, 2, 5, 1, 1, 3, 6, 8, 6, 8, 3, 7, 7, 2, 1, 6, 1, 6, 0, 2, 9, 7, 3, 9, - 3, 7, 9, 8, 8, 2, 8, 1, 2, 5, 5, 6, 8, 4, 3, 4, 1, 8, 8, 6, 0, 8, 0, 8, - 0, 1, 4, 8, 6, 9, 6, 8, 9, 9, 4, 1, 4, 0, 6, 2, 5, 2, 8, 4, 2, 1, 7, 0, - 9, 4, 3, 0, 4, 0, 4, 0, 0, 7, 4, 3, 4, 8, 4, 4, 9, 7, 0, 7, 0, 3, 1, 2, - 5, 1, 4, 2, 1, 0, 8, 5, 4, 7, 1, 5, 2, 0, 2, 0, 0, 3, 7, 1, 7, 4, 2, 2, - 4, 8, 5, 3, 5, 1, 5, 6, 2, 5, 7, 1, 0, 5, 4, 2, 7, 3, 5, 7, 6, 0, 1, 0, - 0, 1, 8, 5, 8, 7, 1, 1, 2, 4, 2, 6, 7, 5, 7, 8, 1, 2, 5, 3, 5, 5, 2, 7, - 1, 3, 6, 7, 8, 8, 0, 0, 5, 0, 0, 9, 2, 9, 3, 5, 5, 6, 2, 1, 3, 3, 7, 8, - 9, 0, 6, 2, 5, 1, 7, 7, 6, 3, 5, 6, 8, 3, 9, 4, 0, 0, 2, 5, 0, 4, 6, 4, - 6, 7, 7, 8, 1, 0, 6, 6, 8, 9, 4, 5, 3, 1, 2, 5, 8, 8, 8, 1, 7, 8, 4, 1, - 9, 7, 0, 0, 1, 2, 5, 2, 3, 2, 3, 3, 8, 9, 0, 5, 3, 3, 4, 4, 7, 2, 6, 5, - 6, 2, 5, 4, 4, 4, 0, 8, 9, 2, 0, 9, 8, 5, 0, 0, 6, 2, 6, 1, 6, 1, 6, 9, - 4, 5, 2, 6, 6, 7, 2, 3, 6, 3, 2, 8, 1, 2, 5, 2, 2, 2, 0, 4, 4, 6, 0, 4, - 9, 2, 5, 0, 3, 1, 3, 0, 8, 0, 8, 4, 7, 2, 6, 3, 3, 3, 6, 1, 8, 1, 6, 4, - 0, 6, 2, 5, 1, 1, 1, 0, 2, 2, 3, 0, 2, 4, 6, 2, 5, 1, 5, 6, 5, 4, 0, 4, - 2, 3, 6, 3, 1, 6, 6, 8, 0, 9, 0, 8, 2, 0, 3, 1, 2, 5, 5, 5, 5, 1, 1, 1, - 5, 1, 2, 3, 1, 2, 5, 7, 8, 2, 7, 0, 2, 1, 1, 8, 1, 5, 8, 3, 4, 0, 4, 5, - 4, 1, 0, 1, 5, 6, 2, 5, 2, 7, 7, 5, 5, 5, 7, 5, 6, 1, 5, 6, 2, 8, 9, 1, - 3, 5, 1, 0, 5, 9, 0, 7, 9, 1, 7, 0, 2, 2, 7, 0, 5, 0, 7, 8, 1, 2, 5, 1, - 3, 8, 7, 7, 7, 8, 7, 8, 0, 7, 8, 1, 4, 4, 5, 6, 7, 5, 5, 2, 9, 5, 3, 9, - 5, 8, 5, 1, 1, 3, 5, 2, 5, 3, 9, 0, 6, 2, 5, 6, 9, 3, 8, 8, 9, 3, 9, 0, - 3, 9, 0, 7, 2, 2, 8, 3, 7, 7, 6, 4, 7, 6, 9, 7, 9, 2, 5, 5, 6, 7, 6, 2, - 6, 9, 5, 3, 1, 2, 5, 3, 4, 6, 9, 4, 4, 6, 9, 5, 1, 9, 5, 3, 6, 1, 4, 1, - 8, 8, 8, 2, 3, 8, 4, 8, 9, 6, 2, 7, 8, 3, 8, 1, 3, 4, 7, 6, 5, 6, 2, 5, - 1, 7, 3, 4, 7, 2, 3, 4, 7, 5, 9, 7, 6, 8, 0, 7, 0, 9, 4, 4, 1, 1, 9, 2, - 4, 4, 8, 1, 3, 9, 1, 9, 0, 6, 7, 3, 8, 2, 8, 1, 2, 5, 8, 6, 7, 3, 6, 1, - 7, 3, 7, 9, 8, 8, 4, 0, 3, 5, 4, 7, 2, 0, 5, 9, 6, 2, 2, 4, 0, 6, 9, 5, - 9, 5, 3, 3, 6, 9, 1, 4, 0, 6, 2, 5, - }; - const uint8_t *pow5 = - &number_of_digits_decimal_left_shift_table_powers_of_5[pow5_a]; - uint32_t i = 0; - uint32_t n = pow5_b - pow5_a; - for (; i < n; i++) { - if (i >= h.num_digits) { - return num_new_digits - 1; - } else if (h.digits[i] == pow5[i]) { - continue; - } else if (h.digits[i] < pow5[i]) { - return num_new_digits - 1; - } else { - return num_new_digits; - } - } - return num_new_digits; -} - -inline uint64_t round(decimal &h) { - if ((h.num_digits == 0) || (h.decimal_point < 0)) { - return 0; - } else if (h.decimal_point > 18) { - return UINT64_MAX; - } - // at this point, we know that h.decimal_point >= 0 - uint32_t dp = uint32_t(h.decimal_point); - uint64_t n = 0; - for (uint32_t i = 0; i < dp; i++) { - n = (10 * n) + ((i < h.num_digits) ? h.digits[i] : 0); - } - bool round_up = false; - if (dp < h.num_digits) { - round_up = h.digits[dp] >= 5; // normally, we round up - // but we may need to round to even! - if ((h.digits[dp] == 5) && (dp + 1 == h.num_digits)) { - round_up = h.truncated || ((dp > 0) && (1 & h.digits[dp - 1])); - } - } - if (round_up) { - n++; - } - return n; -} - -// computes h * 2^-shift -inline void decimal_left_shift(decimal &h, uint32_t shift) { - if (h.num_digits == 0) { - return; - } - uint32_t num_new_digits = number_of_digits_decimal_left_shift(h, shift); - int32_t read_index = int32_t(h.num_digits - 1); - uint32_t write_index = h.num_digits - 1 + num_new_digits; - uint64_t n = 0; - - while (read_index >= 0) { - n += uint64_t(h.digits[read_index]) << shift; - uint64_t quotient = n / 10; - uint64_t remainder = n - (10 * quotient); - if (write_index < max_digits) { - h.digits[write_index] = uint8_t(remainder); - } else if (remainder > 0) { - h.truncated = true; - } - n = quotient; - write_index--; - read_index--; - } - while (n > 0) { - uint64_t quotient = n / 10; - uint64_t remainder = n - (10 * quotient); - if (write_index < max_digits) { - h.digits[write_index] = uint8_t(remainder); - } else if (remainder > 0) { - h.truncated = true; - } - n = quotient; - write_index--; - } - h.num_digits += num_new_digits; - if (h.num_digits > max_digits) { - h.num_digits = max_digits; - } - h.decimal_point += int32_t(num_new_digits); - trim(h); -} - -// computes h * 2^shift -inline void decimal_right_shift(decimal &h, uint32_t shift) { - uint32_t read_index = 0; - uint32_t write_index = 0; - - uint64_t n = 0; - - while ((n >> shift) == 0) { - if (read_index < h.num_digits) { - n = (10 * n) + h.digits[read_index++]; - } else if (n == 0) { - return; - } else { - while ((n >> shift) == 0) { - n = 10 * n; - read_index++; - } - break; - } - } - h.decimal_point -= int32_t(read_index - 1); - if (h.decimal_point < -decimal_point_range) { // it is zero - h.num_digits = 0; - h.decimal_point = 0; - h.negative = false; - h.truncated = false; - return; - } - uint64_t mask = (uint64_t(1) << shift) - 1; - while (read_index < h.num_digits) { - uint8_t new_digit = uint8_t(n >> shift); - n = (10 * (n & mask)) + h.digits[read_index++]; - h.digits[write_index++] = new_digit; - } - while (n > 0) { - uint8_t new_digit = uint8_t(n >> shift); - n = 10 * (n & mask); - if (write_index < max_digits) { - h.digits[write_index++] = new_digit; - } else if (new_digit > 0) { - h.truncated = true; - } - } - h.num_digits = write_index; - trim(h); -} - -} // namespace detail - -template <typename binary> -adjusted_mantissa compute_float(decimal &d) { - adjusted_mantissa answer; - if (d.num_digits == 0) { - // should be zero - answer.power2 = 0; - answer.mantissa = 0; - return answer; - } - // At this point, going further, we can assume that d.num_digits > 0. - // - // We want to guard against excessive decimal point values because - // they can result in long running times. Indeed, we do - // shifts by at most 60 bits. We have that log(10**400)/log(2**60) ~= 22 - // which is fine, but log(10**299995)/log(2**60) ~= 16609 which is not - // fine (runs for a long time). - // - if(d.decimal_point < -324) { - // We have something smaller than 1e-324 which is always zero - // in binary64 and binary32. - // It should be zero. - answer.power2 = 0; - answer.mantissa = 0; - return answer; - } else if(d.decimal_point >= 310) { - // We have something at least as large as 0.1e310 which is - // always infinite. - answer.power2 = binary::infinite_power(); - answer.mantissa = 0; - return answer; - } - constexpr uint32_t max_shift = 60; - constexpr uint32_t num_powers = 19; - constexpr uint8_t decimal_powers[19] = { - 0, 3, 6, 9, 13, 16, 19, 23, 26, 29, // - 33, 36, 39, 43, 46, 49, 53, 56, 59, // - }; - int32_t exp2 = 0; - while (d.decimal_point > 0) { - uint32_t n = uint32_t(d.decimal_point); - uint32_t shift = (n < num_powers) ? decimal_powers[n] : max_shift; - detail::decimal_right_shift(d, shift); - if (d.decimal_point < -decimal_point_range) { - // should be zero - answer.power2 = 0; - answer.mantissa = 0; - return answer; - } - exp2 += int32_t(shift); - } - // We shift left toward [1/2 ... 1]. - while (d.decimal_point <= 0) { - uint32_t shift; - if (d.decimal_point == 0) { - if (d.digits[0] >= 5) { - break; - } - shift = (d.digits[0] < 2) ? 2 : 1; - } else { - uint32_t n = uint32_t(-d.decimal_point); - shift = (n < num_powers) ? decimal_powers[n] : max_shift; - } - detail::decimal_left_shift(d, shift); - if (d.decimal_point > decimal_point_range) { - // we want to get infinity: - answer.power2 = binary::infinite_power(); - answer.mantissa = 0; - return answer; - } - exp2 -= int32_t(shift); - } - // We are now in the range [1/2 ... 1] but the binary format uses [1 ... 2]. - exp2--; - constexpr int32_t minimum_exponent = binary::minimum_exponent(); - while ((minimum_exponent + 1) > exp2) { - uint32_t n = uint32_t((minimum_exponent + 1) - exp2); - if (n > max_shift) { - n = max_shift; - } - detail::decimal_right_shift(d, n); - exp2 += int32_t(n); - } - if ((exp2 - minimum_exponent) >= binary::infinite_power()) { - answer.power2 = binary::infinite_power(); - answer.mantissa = 0; - return answer; - } - - const int mantissa_size_in_bits = binary::mantissa_explicit_bits() + 1; - detail::decimal_left_shift(d, mantissa_size_in_bits); - - uint64_t mantissa = detail::round(d); - // It is possible that we have an overflow, in which case we need - // to shift back. - if(mantissa >= (uint64_t(1) << mantissa_size_in_bits)) { - detail::decimal_right_shift(d, 1); - exp2 += 1; - mantissa = detail::round(d); - if ((exp2 - minimum_exponent) >= binary::infinite_power()) { - answer.power2 = binary::infinite_power(); - answer.mantissa = 0; - return answer; - } - } - answer.power2 = exp2 - binary::minimum_exponent(); - if(mantissa < (uint64_t(1) << binary::mantissa_explicit_bits())) { answer.power2--; } - answer.mantissa = mantissa & ((uint64_t(1) << binary::mantissa_explicit_bits()) - 1); - return answer; -} - -template <typename binary> -adjusted_mantissa parse_long_mantissa(const char *first, const char* last, parse_options options) { - decimal d = parse_decimal(first, last, options); - return compute_float<binary>(d); -} - -} // namespace fast_float -#endif |