projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f7eac6eb RM |
1 | /* @(#)wr_lgamma.c 5.1 93/09/24 */ |
| 2 | /* | |
| 3 | * ==================================================== | |
| 4 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. | |
| 5 | * | |
| 6 | * Developed at SunPro, a Sun Microsystems, Inc. business. | |
| 7 | * Permission to use, copy, modify, and distribute this | |
| cccda09f | 8 | * software is freely granted, provided that this notice |
| f7eac6eb RM |
9 | * is preserved. |
| 10 | * ==================================================== | |
| 11 | */ | |
| 12 | ||
| cccda09f | 13 | /* |
| f7eac6eb RM |
14 | * wrapper double lgamma_r(double x, int *signgamp) |
| 15 | */ | |
| 16 | ||
| 9d13fb24 | 17 | #include <math.h> |
| 9277c064 | 18 | #include <math_private.h> |
| f7eac6eb RM |
19 | |
| 20 | ||
| 0ac5ae23 UD |
21 | double |
| 22 | __lgamma_r(double x, int *signgamp) | |
| f7eac6eb | 23 | { |
| 0ac5ae23 | 24 | double y = __ieee754_lgamma_r(x,signgamp); |
| d81f90cc WD |
25 | if(__builtin_expect(!isfinite(y), 0) |
| 26 | && isfinite(x) && _LIB_VERSION != _IEEE_) | |
| 0ac5ae23 UD |
27 | return __kernel_standard(x, x, |
| 28 | __floor(x)==x&&x<=0.0 | |
| 29 | ? 15 /* lgamma pole */ | |
| 30 | : 14); /* lgamma overflow */ | |
| 31 | ||
| 32 | return y; | |
| cccda09f | 33 | } |
| f7eac6eb | 34 | weak_alias (__lgamma_r, lgamma_r) |
| cccda09f UD |
35 | #ifdef NO_LONG_DOUBLE |
| 36 | strong_alias (__lgamma_r, __lgammal_r) | |
| 37 | weak_alias (__lgamma_r, lgammal_r) | |
| 38 | #endif |