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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /math/w_lgammaf_r.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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diff --git a/math/w_lgammaf_r.c b/math/w_lgammaf_r.c
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+/* w_lgammaf_r.c -- float version of w_lgamma_r.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * 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_lgammaf_r.c,v 1.3 1995/05/10 20:49:32 jtc Exp $";
+#endif
+
+/* 
+ * wrapper float lgammaf_r(float x, int *signgamp)
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+
+#ifdef __STDC__
+	float __lgammaf_r(float x, int *signgamp) /* wrapper lgammaf_r */
+#else
+	float __lgammaf_r(x,signgamp)              /* wrapper lgammaf_r */
+        float x; int *signgamp;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_lgammaf_r(x,signgamp);
+#else
+        float y;
+        y = __ieee754_lgammaf_r(x,signgamp);
+        if(_LIB_VERSION == _IEEE_) return y;
+        if(!__finitef(y)&&__finitef(x)) {
+            if(__floorf(x)==x&&x<=(float)0.0)
+	        /* lgamma pole */
+                return (float)__kernel_standard((double)x,(double)x,115);
+            else
+	        /* lgamma overflow */
+	        return (float)__kernel_standard((double)x,(double)x,114);
+        } else
+            return y;
+#endif
+}             
+weak_alias (__lgammaf_r, lgammaf_r)