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-rw-r--r--sysdeps/libm-ieee754/w_gamma_r.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/libm-ieee754/w_gamma_r.c b/sysdeps/libm-ieee754/w_gamma_r.c
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+++ b/sysdeps/libm-ieee754/w_gamma_r.c
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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
+}             
+weak_alias (__gamma_r, gamma_r)