2.5-18.1

1 files changed, 74 insertions, 0 deletions

diff --git a/math/w_j0f.c b/math/w_j0f.c
new file mode 100644
index 0000000..bb2b82f
--- /dev/null
+++ b/math/w_j0f.c
@@ -0,0 +1,74 @@
+/* w_j0f.c -- float version of w_j0.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_j0f.c,v 1.3 1995/05/10 20:49:13 jtc Exp $";
+#endif
+
+/*
+ * wrapper j0f(float x), y0f(float x)
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+#ifdef __STDC__
+	float j0f(float x)		/* wrapper j0f */
+#else
+	float j0f(x)			/* wrapper j0f */
+	float x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_j0f(x);
+#else
+	float z = __ieee754_j0f(x);
+	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
+	if(fabsf(x)>(float)X_TLOSS) {
+		/* j0f(|x|>X_TLOSS) */
+	        return (float)__kernel_standard((double)x,(double)x,134);
+	} else
+	    return z;
+#endif
+}
+
+#ifdef __STDC__
+	float y0f(float x)		/* wrapper y0f */
+#else
+	float y0f(x)			/* wrapper y0f */
+	float x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_y0f(x);
+#else
+	float z;
+	z = __ieee754_y0f(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,108);
+                else
+                    /* d = zero/(x-x); */
+                    return (float)__kernel_standard((double)x,(double)x,109);
+        }
+	if(x>(float)X_TLOSS) {
+		/* y0(x>X_TLOSS) */
+	        return (float)__kernel_standard((double)x,(double)x,135);
+	} else
+	    return z;
+#endif
+}