mirror of git://sourceware.org/git/glibc.git
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/* w_log10l.c -- long double version of w_log10.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.
|
|
* ====================================================
|
|
*/
|
|
|
|
#if defined(LIBM_SCCS) && !defined(lint)
|
|
static char rcsid[] = "$NetBSD: $";
|
|
#endif
|
|
|
|
/*
|
|
* wrapper log10l(X)
|
|
*/
|
|
|
|
#include "math.h"
|
|
#include "math_private.h"
|
|
|
|
|
|
#ifdef __STDC__
|
|
long double __log10l(long double x) /* wrapper log10l */
|
|
#else
|
|
long double __log10l(x) /* wrapper log10l */
|
|
long double x;
|
|
#endif
|
|
{
|
|
#ifdef _IEEE_LIBM
|
|
return __ieee754_log10l(x);
|
|
#else
|
|
long double z;
|
|
z = __ieee754_log10l(x);
|
|
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
|
|
if(x<=0.0) {
|
|
if(x==0.0)
|
|
return __kernel_standard(x,x,218); /* log10(0) */
|
|
else
|
|
return __kernel_standard(x,x,219); /* log10(x<0) */
|
|
} else
|
|
return z;
|
|
#endif
|
|
}
|
|
weak_alias (__log10l, log10l)
|