From abfbdde177c3a7155070dda1b2cdc8292054cc26 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 14 Jul 1999 00:54:57 +0000 Subject: Update. --- math/w_exp10f.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 math/w_exp10f.c (limited to 'math/w_exp10f.c') diff --git a/math/w_exp10f.c b/math/w_exp10f.c new file mode 100644 index 0000000000..f78be7973b --- /dev/null +++ b/math/w_exp10f.c @@ -0,0 +1,57 @@ +/* w_exp10f.c -- float version of w_exp10.c. + * Conversion to exp10 by Ulrich Drepper . + */ + +/* + * ==================================================== + * 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 expf10(x) + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ +static const float +#else +static float +#endif +o_threshold= 3.853183944498959298709e+01, +u_threshold= -4.515449934959717928174e+01; + +#ifdef __STDC__ + float __exp10f(float x) /* wrapper exp10f */ +#else + float __exp10f(x) /* wrapper exp10f */ + float x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_exp10f(x); +#else + float z; + z = __ieee754_exp10f(x); + if(_LIB_VERSION == _IEEE_) return z; + if(__finitef(x)) { + if(x>o_threshold) + /* exp overflow */ + return (float)__kernel_standard((double)x,(double)x,146); + else if(x