| 0,0 → 1,47 |
|---|
| /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */ |
| /* @(#)wr_gamma.c 5.1 93/09/24 */ |
| /* |
| * ==================================================== |
| * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
| * |
| * Developed at SunPro, a Sun Microsystems, Inc. business. |
| * Permission to use, copy, modify, and distribute this |
| * software is freely granted, provided that this notice |
| * is preserved. |
| * ==================================================== |
| */ |
| |
| #if defined(LIBM_SCCS) && !defined(lint) |
| static char rcsid[] = "$Id: w_gamma_r.c,v 1.4 1994/08/10 20:34:13 jtc Exp $"; |
| #endif |
| |
| /* |
| * wrapper double gamma_r(double x, int *signgamp) |
| */ |
| |
| #include "math.h" |
| #include "math_private.h" |
| |
| |
| #ifdef __STDC__ |
| double gamma_r(double x, int *signgamp) /* wrapper lgamma_r */ |
| #else |
| double gamma_r(x,signgamp) /* wrapper lgamma_r */ |
| double x; int *signgamp; |
| #endif |
| { |
| #ifdef _IEEE_LIBM |
| return __ieee754_gamma_r(x,signgamp); |
| #else |
| double y; |
| y = __ieee754_gamma_r(x,signgamp); |
| if(_LIB_VERSION == _IEEE_) return y; |
| if(!finite(y)&&finite(x)) { |
| if(floor(x)==x&&x<=0.0) |
| return __kernel_standard(x,x,41); /* gamma pole */ |
| else |
| return __kernel_standard(x,x,40); /* gamma overflow */ |
| } else |
| return y; |
| #endif |
| } |