From 7ce331c01ce6eb7b3f5c715a38a24359da9c6ee2 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Thu, 22 Nov 2001 14:04:29 +0000
Subject: Totally rework the math library, this time based on the MacOs X math
 library (which is itself based on the math lib from FreeBSD).  -Erik

---
 libm/w_lgamma_r.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 libm/w_lgamma_r.c

(limited to 'libm/w_lgamma_r.c')

diff --git a/libm/w_lgamma_r.c b/libm/w_lgamma_r.c
new file mode 100644
index 000000000..b73a6425b
--- /dev/null
+++ b/libm/w_lgamma_r.c
@@ -0,0 +1,46 @@
+/* @(#)wr_lgamma.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_lgamma_r.c,v 1.6 1995/05/10 20:49:27 jtc Exp $";
+#endif
+
+/* 
+ * wrapper double lgamma_r(double x, int *signgamp)
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+
+#ifdef __STDC__
+	double lgamma_r(double x, int *signgamp) /* wrapper lgamma_r */
+#else
+	double lgamma_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,15); /* lgamma pole */
+            else
+                return __kernel_standard(x,x,14); /* lgamma overflow */
+        } else
+            return y;
+#endif
+}             
-- 
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