mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
7095366d1e
* math/w_fmodf.c: Likewise. * math/w_fmodl.c: Likewise. * math/libm-test.inc (fmod_test): Add tests for errno after calls for x=±Inf or y=0.
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/* @(#)w_fmod.c 5.1 93/09/24 */
|
|
/*
|
|
* ====================================================
|
|
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
|
*
|
|
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
|
* Permission to use, copy, modify, and distribute this
|
|
* software is freely granted, provided that this notice
|
|
* is preserved.
|
|
* ====================================================
|
|
*/
|
|
|
|
#if defined(LIBM_SCCS) && !defined(lint)
|
|
static char rcsid[] = "$NetBSD: w_fmod.c,v 1.6 1995/05/10 20:48:55 jtc Exp $";
|
|
#endif
|
|
|
|
/*
|
|
* wrapper fmod(x,y)
|
|
*/
|
|
|
|
#include <math.h>
|
|
#include "math_private.h"
|
|
|
|
|
|
#ifdef __STDC__
|
|
double __fmod(double x, double y) /* wrapper fmod */
|
|
#else
|
|
double __fmod(x,y) /* wrapper fmod */
|
|
double x,y;
|
|
#endif
|
|
{
|
|
#ifdef _IEEE_LIBM
|
|
return __ieee754_fmod(x,y);
|
|
#else
|
|
double z;
|
|
z = __ieee754_fmod(x,y);
|
|
if(_LIB_VERSION == _IEEE_ ||__isnan(y)||__isnan(x)) return z;
|
|
if(__isinf(x)||y==0.0) {
|
|
/* fmod(+-Inf,y) or fmod(x,0) */
|
|
return __kernel_standard(x,y,27);
|
|
} else
|
|
return z;
|
|
#endif
|
|
}
|
|
weak_alias (__fmod, fmod)
|
|
#ifdef NO_LONG_DOUBLE
|
|
strong_alias (__fmod, __fmodl)
|
|
weak_alias (__fmod, fmodl)
|
|
#endif
|