2005-07-14  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/21193 (float, double, long double)
	* include/tr1/functional (hash<float>, hash<double>):
	Reimplement exploiting the Fnv_hash<>::hash helper.
	(hash<long double>): Reimplement using frexp (in this
	case, due to random padding bits, the former approach
	is not generally viable).

From-SVN: r102043