glibc/sysdeps/alpha/fpu/s_copysign.c
2001-07-06 04:56:23 +00:00

34 lines
1.1 KiB
C

/* Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <math.h>
double
__copysign (double x, double y)
{
__asm ("cpys %1, %2, %0" : "=f" (x) : "f" (y), "f" (x));
return x;
}
weak_alias (__copysign, copysign)
#ifdef NO_LONG_DOUBLE
strong_alias (__copysign, __copysignl)
weak_alias (__copysign, copysignl)
#endif