- add some more math functions (patch from gentoo/solar)

1 files changed, 26 insertions, 0 deletions

diff --git a/libm/s_fmax.c b/libm/s_fmax.c
new file mode 100644
index 000000000..61ec12d81
--- /dev/null
+++ b/libm/s_fmax.c
@@ -0,0 +1,26 @@
+/* Copyright (C) 2002 by  Red Hat, Incorporated. All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software
+ * is freely granted, provided that this notice is preserved.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+libm_hidden_proto(fmax)
+#ifdef __STDC__
+	double fmax(double x, double y)
+#else
+	double fmax(x,y)
+	double x;
+	double y;
+#endif
+{
+  if (__fpclassify(x) == FP_NAN)
+    return x;
+  if (__fpclassify(y) == FP_NAN)
+    return y;
+
+  return x > y ? x : y;
+}
+libm_hidden_def(fmax)