[CRT]

- Add a number of amd64 specific math functions
- add generic c versions of cos and sin
- Remove leading underscores from amd64 symbols

svn path=/trunk/; revision=48161

reactos/lib/sdk/crt/math/sinf.c

@@ -0,0 +1,11 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER.PD within this package.
+ */
+#include <math.h>
+
+float sinf(float _X)
+{
+  return ((float) sin ((double) _X));
+}