projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f7eac6eb RM |
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 | |
| 0ac5ae23 | 11 | * software is freely granted, provided that this notice |
| f7eac6eb RM |
12 | * is preserved. |
| 13 | * ==================================================== | |
| 14 | */ | |
| 15 | ||
| 0ac5ae23 | 16 | /* |
| f7eac6eb RM |
17 | * wrapper float lgammaf_r(float x, int *signgamp) |
| 18 | */ | |
| 19 | ||
| 9d13fb24 | 20 | #include <math.h> |
| 9277c064 | 21 | #include <math_private.h> |
| 813378e9 | 22 | #include <math-svid-compat.h> |
| a8dce619 | 23 | #include <libm-alias-float.h> |
| f7eac6eb RM |
24 | |
| 25 | ||
| 4f3647e4 | 26 | #if LIBM_SVID_COMPAT |
| 0ac5ae23 UD |
27 | float |
| 28 | __lgammaf_r(float x, int *signgamp) | |
| f7eac6eb | 29 | { |
| 0ac5ae23 | 30 | float y = __ieee754_lgammaf_r(x,signgamp); |
| d81f90cc WD |
31 | if(__builtin_expect(!isfinite(y), 0) |
| 32 | && isfinite(x) && _LIB_VERSION != _IEEE_) | |
| 0ac5ae23 | 33 | return __kernel_standard_f(x, x, |
| e44acb20 | 34 | floorf(x)==x&&x<=0.0f |
| 0ac5ae23 UD |
35 | ? 115 /* lgamma pole */ |
| 36 | : 114); /* lgamma overflow */ | |
| 37 | ||
| 38 | return y; | |
| 39 | } | |
| a8dce619 | 40 | libm_alias_float_r (__lgamma, lgamma, _r) |
| 4f3647e4 | 41 | #endif |