From 8b1fadd6a89f12cbc81c5d621a75b91dd9eedec2 Mon Sep 17 00:00:00 2001
From: Pixel <pixel@nobis-crew.org>
Date: Sat, 5 Feb 2011 11:06:07 -0800
Subject: Adding Sun's fdlibm, and libnix's scanf, tweaked to become an xscanf.
 Adding a few more libc inlined also.

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

(limited to 'libm/src/w_lgamma.c')

diff --git a/libm/src/w_lgamma.c b/libm/src/w_lgamma.c
new file mode 100644
index 0000000..2c12b31
--- /dev/null
+++ b/libm/src/w_lgamma.c
@@ -0,0 +1,46 @@
+
+/* @(#)w_lgamma.c 1.3 95/01/18 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunSoft, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ *
+ */
+
+/* double lgamma(double x)
+ * Return the logarithm of the Gamma function of x.
+ *
+ * Method: call __ieee754_lgamma_r
+ */
+
+#include "fdlibm.h"
+
+extern int signgam;
+
+#ifdef __STDC__
+	double lgamma(double x)
+#else
+	double lgamma(x)
+	double x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_lgamma_r(x,&signgam);
+#else
+        double y;
+        y = __ieee754_lgamma_r(x,&signgam);
+        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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