glibc/sysdeps/m68k/fpu/s_remquo.c
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

49 lines
1.5 KiB
C

/* Compute remainder and a congruent to the quotient. m68k fpu version
Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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>
#ifndef SUFF
#define SUFF
#endif
#ifndef float_type
#define float_type double
#endif
#define CONCATX(a,b) __CONCAT(a,b)
#define s(name) CONCATX(name,SUFF)
float_type
s(__remquo) (float_type x, float_type y, int *quo)
{
float_type result;
int cquo, fpsr;
__asm ("frem%.x %2,%0\n\tfmove%.l %/fpsr,%1"
: "=f" (result), "=dm" (fpsr) : "f" (y), "0" (x));
cquo = (fpsr >> 16) & 0x7f;
if (fpsr & (1 << 23))
cquo = -cquo;
*quo = cquo;
return result;
}
#define weak_aliasx(a,b) weak_alias(a,b)
weak_aliasx (s(__remquo), s(remquo))