1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* wrf_lgamma.c -- float version of wr_lgamma.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 "fdlibm.h"
#include <errno.h>
#if !defined(_IEEE_LIBM) || !defined(HAVE_ALIAS_ATTRIBUTE)
#ifdef __STDC__
float lgammaf_r(float x, int *signgamp) /* wrapper lgammaf_r */
#else
float lgammaf_r(x,signgamp) /* wrapper lgammaf_r */
float x; int *signgamp;
#endif
{
float y;
y = __ieee754_lgammaf_r(x,signgamp);
#ifndef _IEEE_LIBM
if(_LIB_VERSION == _IEEE_) return y;
if(!finitef(y)&&finitef(x)) {
/* lgammaf(finite) overflow */
errno = ERANGE;
}
#endif
return y;
}
#endif
|
