2.5-18.1

1 files changed, 75 insertions, 0 deletions

diff --git a/math/w_j1f.c b/math/w_j1f.c
new file mode 100644
index 0000000..35b1862
--- /dev/null
+++ b/math/w_j1f.c
@@ -0,0 +1,75 @@
+/* w_j1f.c -- float version of w_j1.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_j1f.c,v 1.3 1995/05/10 20:49:17 jtc Exp $";
+#endif
+
+/*
+ * wrapper of j1f,y1f
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+#ifdef __STDC__
+	float j1f(float x)		/* wrapper j1f */
+#else
+	float j1f(x)			/* wrapper j1f */
+	float x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_j1f(x);
+#else
+	float z;
+	z = __ieee754_j1f(x);
+	if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
+	if(fabsf(x)>(float)X_TLOSS) {
+		/* j1(|x|>X_TLOSS) */
+	        return (float)__kernel_standard((double)x,(double)x,136);
+	} else
+	    return z;
+#endif
+}
+
+#ifdef __STDC__
+	float y1f(float x)		/* wrapper y1f */
+#else
+	float y1f(x)			/* wrapper y1f */
+	float x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_y1f(x);
+#else
+	float z;
+	z = __ieee754_y1f(x);
+	if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
+        if(x <= (float)0.0){
+                if(x==(float)0.0)
+                    /* d= -one/(x-x); */
+                    return (float)__kernel_standard((double)x,(double)x,110);
+                else
+                    /* d = zero/(x-x); */
+                    return (float)__kernel_standard((double)x,(double)x,111);
+        }
+	if(x>(float)X_TLOSS) {
+		/* y1(x>X_TLOSS) */
+	        return (float)__kernel_standard((double)x,(double)x,137);
+	} else
+	    return z;
+#endif
+}