re PR libstdc++/13450 (std::pow(std::complex<double>(-1.,0.),0.5) yields (NaN,0))

2004-03-10  Paul Kienzle  <pkienzle@nist.gov>
	    Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/13450
	* include/std/std_complex.h (pow(const complex&, const _Tp&),
	pow(const _Tp&, const complex&)): Use cmath pow only when safe.
	* testsuite/26_numerics/complex/13450.cc: New.

	* testsuite/26_numerics/cmath/overloads.C: Rename to overloads.cc.
	* testsuite/26_numerics/complex/pow.C: Rename to pow.cc and fix.

From-SVN: r79227