view lib/fmal.c @ 40183:9301e0f7fe60

libtextstyle: New module. * m4/libtextstyle.m4: New file. * modules/libtextstyle: New file.
author Bruno Haible <bruno@clisp.org>
date Sun, 10 Feb 2019 12:49:39 +0100
parents b06060465f09
children
line wrap: on
line source

/* Fused multiply-add.
   Copyright (C) 2011-2019 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2011.  */

#include <config.h>

#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE

/* Specification.  */
# include <math.h>

long double
fmal (long double x, long double y, long double z)
{
  return fma (x, y, z);
}

#else

# define USE_LONG_DOUBLE
# include "fma.c"

#endif