1/* w_lgammaf_r.c -- float version of w_lgamma_r.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16/*
17 * wrapper float lgammaf_r(float x, int *signgamp)
18 */
19
20#include <math.h>
21#include <math_private.h>
22
23
24float
25__lgammaf_r(float x, int *signgamp)
26{
27 float y = __ieee754_lgammaf_r(x,signgamp);
28 if(__builtin_expect(!isfinite(y), 0)
29 && isfinite(x) && _LIB_VERSION != _IEEE_)
30 return __kernel_standard_f(x, x,
31 __floorf(x)==x&&x<=0.0f
32 ? 115 /* lgamma pole */
33 : 114); /* lgamma overflow */
34
35 return y;
36}
37weak_alias (__lgammaf_r, lgammaf_r)
38