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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 */
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/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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#if defined(LIBM_SCCS) && !defined(lint)
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static char rcsid[] = "$NetBSD: w_fmod.c,v 1.6 1995/05/10 20:48:55 jtc Exp $";
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#endif
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/*
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* wrapper fmod(x,y)
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*/
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#include <math.h>
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#include "math_private.h"
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#ifdef __STDC__
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double __fmod(double x, double y) /* wrapper fmod */
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#else
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double __fmod(x,y) /* wrapper fmod */
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double x,y;
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#endif
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{
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#ifdef _IEEE_LIBM
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return __ieee754_fmod(x,y);
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#else
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double z;
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z = __ieee754_fmod(x,y);
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if(_LIB_VERSION == _IEEE_ ||__isnan(y)||__isnan(x)) return z;
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if(__isinf(x)||y==0.0) {
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/* fmod(+-Inf,y) or fmod(x,0) */
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return __kernel_standard(x,y,27);
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} else
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return z;
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#endif
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}
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weak_alias (__fmod, fmod)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__fmod, __fmodl)
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weak_alias (__fmod, fmodl)
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#endif
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