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Diffstat (limited to 'src/3rdparty/double-conversion/fast-dtoa.h')
| -rw-r--r-- | src/3rdparty/double-conversion/fast-dtoa.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/src/3rdparty/double-conversion/fast-dtoa.h b/src/3rdparty/double-conversion/fast-dtoa.h deleted file mode 100644 index ac4317c04d..0000000000 --- a/src/3rdparty/double-conversion/fast-dtoa.h +++ /dev/null @@ -1,88 +0,0 @@ -// 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 <double-conversion/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_ |