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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_atanhl.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
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diff --git a/math/w_atanhl.c b/math/w_atanhl.c
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+/* w_atanhl.c -- long double version of w_atanh.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 atanhl(x)
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+
+#ifdef __STDC__
+ long double __atanhl(long double x) /* wrapper atanhl */
+#else
+ long double __atanhl(x) /* wrapper atanhl */
+ long double x;
+#endif
+{
+#ifdef _IEEE_LIBM
+ return __ieee754_atanhl(x);
+#else
+ long double z,y;
+ z = __ieee754_atanhl(x);
+ if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
+ y = fabsl(x);
+ if(y>=1.0) {
+ if(y>1.0)
+ return __kernel_standard(x,x,230); /* atanhl(|x|>1) */
+ else
+ return __kernel_standard(x,x,231); /* atanhl(|x|==1) */
+ } else
+ return z;
+#endif
+}
+weak_alias (__atanhl, atanhl)