From 8a0efa53e44919bcf5ccb1d3353618a82afdf8bc Mon Sep 17 00:00:00 2001 From: Christopher Faylor Date: Thu, 17 Feb 2000 19:39:52 +0000 Subject: import newlib-2000-02-17 snapshot --- newlib/libm/math/wf_fmod.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 newlib/libm/math/wf_fmod.c (limited to 'newlib/libm/math/wf_fmod.c') diff --git a/newlib/libm/math/wf_fmod.c b/newlib/libm/math/wf_fmod.c new file mode 100644 index 000000000..320daabde --- /dev/null +++ b/newlib/libm/math/wf_fmod.c @@ -0,0 +1,73 @@ +/* wf_fmod.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. + * ==================================================== + */ + +/* + * wrapper fmodf(x,y) + */ + +#include "fdlibm.h" +#include + +#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; + struct exception exc; + z = __ieee754_fmodf(x,y); + if(_LIB_VERSION == _IEEE_ ||isnanf(y)||isnanf(x)) return z; + if(y==(float)0.0) { + /* fmodf(x,0) */ + exc.type = DOMAIN; + exc.name = "fmodf"; + exc.err = 0; + exc.arg1 = (double)x; + exc.arg2 = (double)y; + if (_LIB_VERSION == _SVID_) + exc.retval = x; + else + exc.retval = 0.0/0.0; + if (_LIB_VERSION == _POSIX_) + errno = EDOM; + else if (!matherr(&exc)) { + errno = EDOM; + } + if (exc.err != 0) + errno = exc.err; + return (float)exc.retval; + } else + return z; +#endif +} + +#ifdef _DOUBLE_IS_32BITS + +#ifdef __STDC__ + double fmod(double x, double y) +#else + double fmod(x,y) + double x,y; +#endif +{ + return (double) fmodf((float) x, (float) y); +} + +#endif /* defined(_DOUBLE_IS_32BITS) */ -- cgit v1.2.3