0ac5ae2335
libm is now somewhat integrated with gcc's -ffinite-math-only option and lots of the wrapper functions have been optimized.
38 lines
979 B
C
38 lines
979 B
C
/* w_lgammaf_r.c -- float version of w_lgamma_r.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 float lgammaf_r(float x, int *signgamp)
|
|
*/
|
|
|
|
#include <math.h>
|
|
#include <math_private.h>
|
|
|
|
|
|
float
|
|
__lgammaf_r(float x, int *signgamp)
|
|
{
|
|
float y = __ieee754_lgammaf_r(x,signgamp);
|
|
if(__builtin_expect(!__finitef(y), 0)
|
|
&& __finitef(x) && _LIB_VERSION != _IEEE_)
|
|
return __kernel_standard_f(x, x,
|
|
__floorf(x)==x&&x<=0.0f
|
|
? 115 /* lgamma pole */
|
|
: 114); /* lgamma overflow */
|
|
|
|
return y;
|
|
}
|
|
weak_alias (__lgammaf_r, lgammaf_r)
|