mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
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.
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/* w_fmodf.c -- float version of w_fmod.c.
|
|
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
|
|
*/
|
|
|
|
/*
|
|
* ====================================================
|
|
* 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_fmodf.c,v 1.3 1995/05/10 20:48:57 jtc Exp $";
|
|
#endif
|
|
|
|
/*
|
|
* wrapper fmodf(x,y)
|
|
*/
|
|
|
|
#include <math.h>
|
|
#include "math_private.h"
|
|
|
|
|
|
#ifdef __STDC__
|
|
float __fmodf(float x, float y) /* wrapper fmodf */
|
|
#else
|
|
float __fmodf(x,y) /* wrapper fmodf */
|
|
float x,y;
|
|
#endif
|
|
{
|
|
#ifdef _IEEE_LIBM
|
|
return __ieee754_fmodf(x,y);
|
|
#else
|
|
float z;
|
|
z = __ieee754_fmodf(x,y);
|
|
if(_LIB_VERSION == _IEEE_ ||__isnanf(y)||__isnanf(x)) return z;
|
|
if(__isinff(x)||y==(float)0.0) {
|
|
/* fmodf(+-Inf,y) or fmodf(x,0) */
|
|
return (float)__kernel_standard((double)x,(double)y,127);
|
|
} else
|
|
return z;
|
|
#endif
|
|
}
|
|
weak_alias (__fmodf, fmodf)
|