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kc3-lang/gnulib/lib/copysign.c

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  • Author : Jim Meyering
    Date : 2012-01-01 10:04:58
    Hash : 1602f0af
    Message : maint: update all copyright year number ranges Run "make update-copyright".

  • lib/copysign.c 
  • /* Copy sign into another 'double' number.
   Copyright (C) 2011-2012 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 <http://www.gnu.org/licenses/>.  */

#include <config.h>

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

double
copysign (double x, double y)
{
  return (signbit (x) != signbit (y) ? - x : x);
}