* src/cmath.cc: Remove.
	* src/Makefile.am (c_base_headers): Add bits/cmath.tcc.
	(sources): Remove cmath.cc
	* src/Makefile.in: Regenerate.

	* include/c/bits/std_cmath.h (__cmath_power<>): Declare.
	(__cmath_abs<>): New function.
	(abs, fabs): Use __cmath_abs when no direct support is available.
	(__pow_helper<>): New function.
	(pow): Define here.  Use __pow_helper<>.

	* include/c/bits/cmath.tcc: New file.

From-SVN: r37901