import newlib-2000-02-17 snapshot

1 files changed, 34 insertions, 0 deletions

diff --git a/newlib/libm/mathfp/sf_atan2.c b/newlib/libm/mathfp/sf_atan2.c
new file mode 100644
index 000000000..f3237a5e6
--- /dev/null
+++ b/newlib/libm/mathfp/sf_atan2.c
@@ -0,0 +1,34 @@
+
+/* @(#)z_atan2f.c 1.0 98/08/13 */
+/******************************************************************
+ * Arctangent2
+ *
+ * Input:
+ *   v, u - floating point values
+ *
+ * Output:
+ *   arctan2 of v / u 
+ *
+ * Description:
+ *   This routine returns the arctan2 of v / u.
+ *
+ *****************************************************************/
+
+#include "fdlibm.h"
+#include "zmath.h"
+
+float
+_DEFUN (atan2f, (float, float),
+        float v _AND
+        float u)
+{
+  return (atangentf (0.0, v, u, 1));
+}
+
+#ifdef _DOUBLE_IS_32BITS
+double atan2f (double v, double u)
+{
+  return (double) atangentf (0.0, (float) v, (float) u, 1);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */