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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 | #include <math-svid-compat.h> | |
23 | #include <libm-alias-float.h> | |
24 | ||
25 | ||
26 | #if LIBM_SVID_COMPAT | |
27 | float | |
28 | __lgammaf_r(float x, int *signgamp) | |
29 | { | |
30 | float y = __ieee754_lgammaf_r(x,signgamp); | |
31 | if(__builtin_expect(!isfinite(y), 0) | |
32 | && isfinite(x) && _LIB_VERSION != _IEEE_) | |
33 | return __kernel_standard_f(x, x, | |
34 | floorf(x)==x&&x<=0.0f | |
35 | ? 115 /* lgamma pole */ | |
36 | : 114); /* lgamma overflow */ | |
37 | ||
38 | return y; | |
39 | } | |
40 | libm_alias_float_r (__lgamma, lgamma, _r) | |
41 | #endif |