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authorAnton Samokhvalov <pg83@yandex.ru>2022-02-10 16:45:17 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:17 +0300
commitd3a398281c6fd1d3672036cb2d63f842d2cb28c5 (patch)
treedd4bd3ca0f36b817e96812825ffaf10d645803f2 /contrib/libs/double-conversion/fast-dtoa.h
parent72cb13b4aff9bc9cf22e49251bc8fd143f82538f (diff)
downloadydb-d3a398281c6fd1d3672036cb2d63f842d2cb28c5.tar.gz
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/double-conversion/fast-dtoa.h')
-rw-r--r--contrib/libs/double-conversion/fast-dtoa.h176
1 files changed, 88 insertions, 88 deletions
diff --git a/contrib/libs/double-conversion/fast-dtoa.h b/contrib/libs/double-conversion/fast-dtoa.h
index b701103500..5f1e8eee5e 100644
--- a/contrib/libs/double-conversion/fast-dtoa.h
+++ b/contrib/libs/double-conversion/fast-dtoa.h
@@ -1,88 +1,88 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef DOUBLE_CONVERSION_FAST_DTOA_H_
-#define DOUBLE_CONVERSION_FAST_DTOA_H_
-
-#include "utils.h"
-
-namespace double_conversion {
-
-enum FastDtoaMode {
- // Computes the shortest representation of the given input. The returned
- // result will be the most accurate number of this length. Longer
- // representations might be more accurate.
- FAST_DTOA_SHORTEST,
- // Same as FAST_DTOA_SHORTEST but for single-precision floats.
- FAST_DTOA_SHORTEST_SINGLE,
- // Computes a representation where the precision (number of digits) is
- // given as input. The precision is independent of the decimal point.
- FAST_DTOA_PRECISION
-};
-
-// FastDtoa will produce at most kFastDtoaMaximalLength digits. This does not
-// include the terminating '\0' character.
-static const int kFastDtoaMaximalLength = 17;
-// Same for single-precision numbers.
-static const int kFastDtoaMaximalSingleLength = 9;
-
-// Provides a decimal representation of v.
-// The result should be interpreted as buffer * 10^(point - length).
-//
-// Precondition:
-// * v must be a strictly positive finite double.
-//
-// Returns true if it succeeds, otherwise the result can not be trusted.
-// There will be *length digits inside the buffer followed by a null terminator.
-// If the function returns true and mode equals
-// - FAST_DTOA_SHORTEST, then
-// the parameter requested_digits is ignored.
-// The result satisfies
-// v == (double) (buffer * 10^(point - length)).
-// The digits in the buffer are the shortest representation possible. E.g.
-// if 0.099999999999 and 0.1 represent the same double then "1" is returned
-// with point = 0.
-// The last digit will be closest to the actual v. That is, even if several
-// digits might correctly yield 'v' when read again, the buffer will contain
-// the one closest to v.
-// - FAST_DTOA_PRECISION, then
-// the buffer contains requested_digits digits.
-// the difference v - (buffer * 10^(point-length)) is closest to zero for
-// all possible representations of requested_digits digits.
-// If there are two values that are equally close, then FastDtoa returns
-// false.
-// For both modes the buffer must be large enough to hold the result.
-bool FastDtoa(double d,
- FastDtoaMode mode,
- int requested_digits,
- Vector<char> buffer,
- int* length,
- int* decimal_point);
-
-} // namespace double_conversion
-
-#endif // DOUBLE_CONVERSION_FAST_DTOA_H_
+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef DOUBLE_CONVERSION_FAST_DTOA_H_
+#define DOUBLE_CONVERSION_FAST_DTOA_H_
+
+#include "utils.h"
+
+namespace double_conversion {
+
+enum FastDtoaMode {
+ // Computes the shortest representation of the given input. The returned
+ // result will be the most accurate number of this length. Longer
+ // representations might be more accurate.
+ FAST_DTOA_SHORTEST,
+ // Same as FAST_DTOA_SHORTEST but for single-precision floats.
+ FAST_DTOA_SHORTEST_SINGLE,
+ // Computes a representation where the precision (number of digits) is
+ // given as input. The precision is independent of the decimal point.
+ FAST_DTOA_PRECISION
+};
+
+// FastDtoa will produce at most kFastDtoaMaximalLength digits. This does not
+// include the terminating '\0' character.
+static const int kFastDtoaMaximalLength = 17;
+// Same for single-precision numbers.
+static const int kFastDtoaMaximalSingleLength = 9;
+
+// Provides a decimal representation of v.
+// The result should be interpreted as buffer * 10^(point - length).
+//
+// Precondition:
+// * v must be a strictly positive finite double.
+//
+// Returns true if it succeeds, otherwise the result can not be trusted.
+// There will be *length digits inside the buffer followed by a null terminator.
+// If the function returns true and mode equals
+// - FAST_DTOA_SHORTEST, then
+// the parameter requested_digits is ignored.
+// The result satisfies
+// v == (double) (buffer * 10^(point - length)).
+// The digits in the buffer are the shortest representation possible. E.g.
+// if 0.099999999999 and 0.1 represent the same double then "1" is returned
+// with point = 0.
+// The last digit will be closest to the actual v. That is, even if several
+// digits might correctly yield 'v' when read again, the buffer will contain
+// the one closest to v.
+// - FAST_DTOA_PRECISION, then
+// the buffer contains requested_digits digits.
+// the difference v - (buffer * 10^(point-length)) is closest to zero for
+// all possible representations of requested_digits digits.
+// If there are two values that are equally close, then FastDtoa returns
+// false.
+// For both modes the buffer must be large enough to hold the result.
+bool FastDtoa(double d,
+ FastDtoaMode mode,
+ int requested_digits,
+ Vector<char> buffer,
+ int* length,
+ int* decimal_point);
+
+} // namespace double_conversion
+
+#endif // DOUBLE_CONVERSION_FAST_DTOA_H_