2006-06-06  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/random (mersenne_twister<>::operator==,
	operator!=, operator<<, operator>>): Implement.
	* testsuite/tr1/5_numerical_facilities/random/mersenne_twister/
	operators/equal.cc: New.	
	* testsuite/tr1/5_numerical_facilities/random/mersenne_twister/
	operators/not_equal.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/mersenne_twister/
	operators/serialize.cc: Likewise.

	* include/tr1/random (subtract_with_carry<>::operator==): Fix,
	compare the whole state; use std::equal.

	* include/tr1/random: Minor formatting and style changes.

From-SVN: r114459