redis/deps/fpconv/fpconv_dtoa.h

46 lines
2.0 KiB
C

/* fpconv_dtoa.h -- floating point conversion utilities.
*
* Fast and accurate double to string conversion based on Florian Loitsch's
* Grisu-algorithm[1].
*
* [1] https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf
* ----------------------------------------------------------------------------
*
* Copyright (c) 2013-2019, night-shift <as.smljk at gmail dot com>
* Copyright (c) 2009, Florian Loitsch < florian.loitsch at inria dot fr >
* All rights reserved.
*
* Boost Software License - Version 1.0 - August 17th, 2003
*
* Permission is hereby granted, free of charge, to any person or organization
* obtaining a copy of the software and accompanying documentation covered by
* this license (the "Software") to use, reproduce, display, distribute,
* execute, and transmit the Software, and to prepare derivative works of the
* Software, and to permit third-parties to whom the Software is furnished to
* do so, all subject to the following:
*
* The copyright notices in the Software and this entire statement, including
* the above license grant, this restriction and the following disclaimer,
* must be included in all copies of the Software, in whole or in part, and
* all derivative works of the Software, unless such copies or derivative
* works are solely in the form of machine-executable object code generated by
* a source language processor.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
* SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
* FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef FPCONV_DTOA_H
#define FPCONV_DTOA_H
int fpconv_dtoa(double fp, char dest[24]);
#endif
/* [1] http://florian.loitsch.com/publications/dtoa-pldi2010.pdf */