diff options
Diffstat (limited to 'sysdeps/generic/w_exp10l.c')
| -rw-r--r-- | sysdeps/generic/w_exp10l.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/generic/w_exp10l.c b/sysdeps/generic/w_exp10l.c new file mode 100644 index 0000000000..aebddcb201 --- /dev/null +++ b/sysdeps/generic/w_exp10l.c @@ -0,0 +1,46 @@ +/* w_exp10l.c -- long double version of w_exp10.c. + * Conversion to long double by Ulrich Drepper, + * Cygnus Support, drepper@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 exp10l(x) + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ + long double __exp10l(long double x) /* wrapper exp10 */ +#else + long double __exp10l(x) /* wrapper exp10 */ + long double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_exp10l(x); +#else + long double z; + z = __ieee754_exp10l(x); + if(_LIB_VERSION == _IEEE_) return z; + if(!__finitel(z) && __finitel(x)) { + /* exp10 overflow (246) if x > 0, underflow (247) if x < 0. */ + return __kernel_standard(x,x,246+__signbitl(x)); + } + return z; +#endif +} +weak_alias (__exp10l, exp10l) +strong_alias (__exp10l, __pow10l) +weak_alias (__pow10l, pow10l) |