summaryrefslogtreecommitdiffstats
path: root/lib/msun/src/w_j0.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/msun/src/w_j0.c')
-rw-r--r--lib/msun/src/w_j0.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/msun/src/w_j0.c b/lib/msun/src/w_j0.c
new file mode 100644
index 0000000..e1a4f85
--- /dev/null
+++ b/lib/msun/src/w_j0.c
@@ -0,0 +1,41 @@
+/* @(#)w_j0.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.
+ * ====================================================
+ */
+
+#ifndef lint
+static char rcsid[] = "$FreeBSD$";
+#endif
+
+/*
+ * wrapper j0(double x)
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+ double j0(double x) /* wrapper j0 */
+#else
+ double j0(x) /* wrapper j0 */
+ double x;
+#endif
+{
+#ifdef _IEEE_LIBM
+ return __ieee754_j0(x);
+#else
+ double z = __ieee754_j0(x);
+ if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
+ if(fabs(x)>X_TLOSS) {
+ return __kernel_standard(x,x,34); /* j0(|x|>X_TLOSS) */
+ } else
+ return z;
+#endif
+}
OpenPOWER on IntegriCloud