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authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /math/w_j1.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
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diff --git a/math/w_j1.c b/math/w_j1.c
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+/* @(#)w_j1.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_j1.c,v 1.6 1995/05/10 20:49:15 jtc Exp $";
+#endif
+
+/*
+ * wrapper of j1,y1
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	double j1(double x)		/* wrapper j1 */
+#else
+	double j1(x)			/* wrapper j1 */
+	double x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_j1(x);
+#else
+	double z;
+	z = __ieee754_j1(x);
+	if(_LIB_VERSION == _IEEE_ || __isnan(x) ) return z;
+	if(fabs(x)>X_TLOSS) {
+	        return __kernel_standard(x,x,36); /* j1(|x|>X_TLOSS) */
+	} else
+	    return z;
+#endif
+}
+#ifdef NO_LONG_DOUBLE
+strong_alias (j1, j1l)
+#endif
+
+
+#ifdef __STDC__
+	double y1(double x)		/* wrapper y1 */
+#else
+	double y1(x)			/* wrapper y1 */
+	double x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_y1(x);
+#else
+	double z;
+	z = __ieee754_y1(x);
+	if(_LIB_VERSION == _IEEE_ || __isnan(x) ) return z;
+        if(x <= 0.0){
+                if(x==0.0)
+                    /* d= -one/(x-x); */
+                    return __kernel_standard(x,x,10);
+                else
+                    /* d = zero/(x-x); */
+                    return __kernel_standard(x,x,11);
+        }
+	if(x>X_TLOSS) {
+	        return __kernel_standard(x,x,37); /* y1(x>X_TLOSS) */
+	} else
+	    return z;
+#endif
+}
+#ifdef NO_LONG_DOUBLE
+strong_alias (y1, y1l)
+#endif