w_gamma_r.c - vx32 - Local 9vx git repository for patches.
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       ---
       w_gamma_r.c (1151B)
       ---
            1 /* @(#)wr_gamma.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
            8  * software is freely granted, provided that this notice
            9  * is preserved.
           10  * ====================================================
           11  */
           12 
           13 #ifndef lint
           14 static char rcsid[] = "$FreeBSD: src/lib/msun/src/w_gamma_r.c,v 1.7 2002/05/28 18:15:04 alfred Exp $";
           15 #endif
           16 
           17 /*
           18  * wrapper double gamma_r(double x, int *signgamp)
           19  */
           20 
           21 #include "math.h"
           22 #include "math_private.h"
           23 
           24 
           25 double
           26 gamma_r(double x, int *signgamp) /* wrapper lgamma_r */
           27 {
           28 #ifdef _IEEE_LIBM
           29         return __ieee754_gamma_r(x,signgamp);
           30 #else
           31         double y;
           32         y = __ieee754_gamma_r(x,signgamp);
           33         if(_LIB_VERSION == _IEEE_) return y;
           34         if(!finite(y)&&finite(x)) {
           35             if(floor(x)==x&&x<=0.0)
           36                 return __kernel_standard(x,x,41); /* gamma pole */
           37             else
           38                 return __kernel_standard(x,x,40); /* gamma overflow */
           39         } else
           40             return y;
           41 #endif
           42 }