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 | |
| 11 | * software is freely granted, provided that this notice | |
| 12 | * is preserved. | |
| 13 | * ==================================================== | |
| 14 | */ | |
| 15 | ||
| 16 | #if defined(LIBM_SCCS) && !defined(lint) | |
| 17 | static char rcsid[] = "$NetBSD: w_lgammaf_r.c,v 1.3 1995/05/10 20:49:32 jtc Exp $"; | |
| 18 | #endif | |
| 19 | ||
| 20 | /* | |
| 21 | * wrapper float lgammaf_r(float x, int *signgamp) | |
| 22 | */ | |
| 23 | ||
| 9d13fb24 | 24 | #include <math.h> |
| f7eac6eb RM |
25 | #include "math_private.h" |
| 26 | ||
| 27 | ||
| 28 | #ifdef __STDC__ | |
| 29 | float __lgammaf_r(float x, int *signgamp) /* wrapper lgammaf_r */ | |
| 30 | #else | |
| 31 | float __lgammaf_r(x,signgamp) /* wrapper lgammaf_r */ | |
| 32 | float x; int *signgamp; | |
| 33 | #endif | |
| 34 | { | |
| 35 | #ifdef _IEEE_LIBM | |
| 36 | return __ieee754_lgammaf_r(x,signgamp); | |
| 37 | #else | |
| 38 | float y; | |
| 39 | y = __ieee754_lgammaf_r(x,signgamp); | |
| 40 | if(_LIB_VERSION == _IEEE_) return y; | |
| 41 | if(!__finitef(y)&&__finitef(x)) { | |
| 42 | if(__floorf(x)==x&&x<=(float)0.0) | |
| 43 | /* lgamma pole */ | |
| 44 | return (float)__kernel_standard((double)x,(double)x,115); | |
| 45 | else | |
| 46 | /* lgamma overflow */ | |
| 47 | return (float)__kernel_standard((double)x,(double)x,114); | |
| 48 | } else | |
| 49 | return y; | |
| 50 | #endif | |
| 51 | } | |
| 52 | weak_alias (__lgammaf_r, lgammaf_r) |