glibc/sysdeps/alpha/fpu/s_copysignf.c
Richard Henderson b7434f8243 * sysdeps/alpha/fpu/fraiseexcpt.c: Use get/set_fp_control instead of arithmetic instructions.
* sysdeps/alpha/fpu/s_ceil.c: Use round to -inf instead of playing
        with the fpcr.  Protect from INV exception.
        * sysdeps/alpha/fpu/s_ceilf.c: Likewise.
        * sysdeps/alpha/fpu/s_floor.c: Protect from INV exception.
        * sysdeps/alpha/fpu/s_floorf.c: Likewise.

        * sysdeps/alpha/fpu/s_copysign.c: New.
        * sysdeps/alpha/fpu/s_copysignf.c: New.
        * sysdeps/alpha/fpu/s_fabs.c: New.
        * sysdeps/alpha/fpu/s_fabsf.c: New.
        * sysdeps/alpha/fpu/s_rint.c: New.
        * sysdeps/alpha/fpu/s_rintf.c: New.
	* sysdeps/alpha/fpu/fraiseexcpt.c: Use get/set_fp_control instead
	of arithmetic instructions.

	* sysdeps/alpha/fpu/s_ceil.c: Use round to -inf instead of playing
	with the fpcr.  Protect from INV exception.
	* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
	* sysdeps/alpha/fpu/s_floor.c: Protect from INV exception.
	* sysdeps/alpha/fpu/s_floorf.c: Likewise.

	* sysdeps/alpha/fpu/s_copysign.c: New.
	* sysdeps/alpha/fpu/s_copysignf.c: New.
	* sysdeps/alpha/fpu/s_fabs.c: New.
	* sysdeps/alpha/fpu/s_fabsf.c: New.
	* sysdeps/alpha/fpu/s_rint.c: New.
	* sysdeps/alpha/fpu/s_rintf.c: New.
2000-03-20 20:32:11 +00:00

30 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <math.h>
float
__copysignf (float x, float y)
{
__asm ("cpys %1, %2, %0" : "=f" (x) : "f" (y), "f" (x));
return x;
}
weak_alias (__copysignf, copysignf)