Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

sdk/lib/crt/math/tanhf.c

@@ -0,0 +1,11 @@
+
+#include <math.h>
+
+_Check_return_
+float
+__cdecl
+tanhf(
+    _In_ float x)
+{
+    return (float)tanh((double)x);
+}