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[/] [or1k/] [trunk/] [linux/] [uClibc/] [libm/] [w_gamma_r.c] - Rev 1771
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/* @(#)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[] = "$NetBSD: w_gamma_r.c,v 1.7 1995/11/20 22:06:45 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_lgamma_r(x,signgamp); #else double y; y = __ieee754_lgamma_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 }
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