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/* Copy sign of one number to another.  */

/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.

   This file is part of the GNU ISO C++ Library.  This library 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 2, or (at your option)

   any later version.

   This library 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 library; see the file COPYING.  If not, write to the Free

   Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

   USA.

   As a special exception, you may use this file as part of a free software

   library without restriction.  Specifically, if other files instantiate

   templates or use macros or inline functions from this file, or you compile

   this file and link it with other files to produce an executable, this

   file does not by itself cause the resulting executable to be covered by

   the GNU General Public License.  This exception does not however

   invalidate any other reasons why the executable file might be covered by

   the GNU General Public License.  */

#include <math.h>

#include "mathconf.h"

float

copysignf (float x, float y)

{

  /* We use the double version.  */

  return copysign (x, y);

}