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