diff options
Diffstat (limited to 'newlib/libm/math/wf_remainder.c')
-rw-r--r-- | newlib/libm/math/wf_remainder.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/newlib/libm/math/wf_remainder.c b/newlib/libm/math/wf_remainder.c new file mode 100644 index 0000000..0071a97 --- /dev/null +++ b/newlib/libm/math/wf_remainder.c @@ -0,0 +1,74 @@ +/* wf_remainder.c -- float version of w_remainder.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 remainderf(x,p) + */ + +#include "fdlibm.h" +#include <errno.h> + +#ifdef __STDC__ + float remainderf(float x, float y) /* wrapper remainder */ +#else + float remainderf(x,y) /* wrapper remainder */ + float x,y; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_remainderf(x,y); +#else + float z; + struct exception exc; + z = __ieee754_remainderf(x,y); + if(_LIB_VERSION == _IEEE_ || isnanf(y)) return z; + if(y==(float)0.0) { + /* remainderf(x,0) */ + exc.type = DOMAIN; + exc.name = "remainderf"; + exc.err = 0; + exc.arg1 = (double)x; + exc.arg2 = (double)y; + 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 remainder(double x, double y) +#else + double remainder(x,y) + double x,y; +#endif +{ + return (double) remainderf((float) x, (float) y); +} + +#endif /* defined(_DOUBLE_IS_32BITS) */ + + + + |