Generic w_lgammal_r.c.
authordrepper <drepper>
Wed, 14 Dec 2005 11:50:03 +0000 (11:50 +0000)
committerdrepper <drepper>
Wed, 14 Dec 2005 11:50:03 +0000 (11:50 +0000)
math/w_lgammal_r.c [new file with mode: 0644]

diff --git a/math/w_lgammal_r.c b/math/w_lgammal_r.c
new file mode 100644 (file)
index 0000000..2dfea8a
--- /dev/null
@@ -0,0 +1,52 @@
+/* w_lgammal_r.c -- long double version of w_lgamma_r.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@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: $";
+#endif
+
+/*
+ * wrapper long double lgammal_r(long double x, int *signgamp)
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+
+#ifdef __STDC__
+       long double __lgammal_r(long double x, int *signgamp)
+               /* wrapper lgamma_r */
+#else
+       long double __lgammal_r(x,signgamp)             /* wrapper lgamma_r */
+        long double x; int *signgamp;
+#endif
+{
+#ifdef _IEEE_LIBM
+       return __ieee754_lgammal_r(x,signgamp);
+#else
+        long double y;
+        y = __ieee754_lgammal_r(x,signgamp);
+        if(_LIB_VERSION == _IEEE_) return y;
+        if(!__finitel(y)&&__finitel(x)) {
+            if(__floorl(x)==x&&x<=0.0)
+                return __kernel_standard(x,x,215); /* lgamma pole */
+            else
+                return __kernel_standard(x,x,214); /* lgamma overflow */
+        } else
+            return y;
+#endif
+}
+weak_alias (__lgammal_r, lgammal_r)