Java port of fdlibm 5.3 to java.lang.StrictMath

This was contributed a long time ago:

http://mail.openjdk.java.net/pipermail/hotspot-dev/2009-August/001992.html

I'm filing this as a tracking bug.

This came up again because AMD is looking for a way to compile java.lang.Math methods on HSA hardware. In a GPU environment it's impossible to call out to host C routines:

http://mail.openjdk.java.net/pipermail/graal-dev/2014-May/002014.html