upload sdk

git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/newlib/math/sf_fdim.c

@@ -0,0 +1,39 @@
+/* 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 "fdlibm.h"
+
+#ifdef __STDC__
+	float fdimf(float x, float y)
+#else
+	float fdimf(x,y)
+	float x;
+	float y;
+#endif
+{
+  int c = __fpclassifyf(x);
+  if (c == FP_NAN)  return(x);
+  if (__fpclassifyf(y) == FP_NAN)  return(y);
+  if (c == FP_INFINITE)
+    return HUGE_VALF;
+
+  return x > y ? x - y : 0.0;
+}
+
+#ifdef _DOUBLE_IS_32BITS
+
+#ifdef __STDC__
+	double fdim(double x, double y)
+#else
+	double fdim(x,y)
+	double x;
+	double y;
+#endif
+{
+  return (double) fdimf((float) x, (float) y);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */