mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 01:00:07 +00:00
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/* 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)
|