2006-08-22  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/random (class subtract_with_carry_01): Add.
	* include/tr1/random.tcc (subtract_with_carry_01<>::
	seed(unsigned long), subtract_with_carry_01<>::
	seed(_Gen&, false_type), subtract_with_carry_01<>::
	operator(), operator<<(std::basic_ostream<>&, const
	subtract_with_carry_01<>&), operator>>(std::basic_istream<>&,
	subtract_with_carry_01<>&)): Define.
	* testsuite/tr1/5_numerical_facilities/random/ranlux3_01.cc:
	New.
	* testsuite/tr1/5_numerical_facilities/random/ranlux4_01.cc:
	Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/cons/seed1.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/cons/seed2.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/cons/default.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/cons/gen1.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/requirements/typedefs.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/operators/equal.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/operators/not_equal.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/operators/serialize.cc: Likewise.

	* docs/html/ext/howto.html: Add two implemented TR1 issues.

	* include/tr1/random.tcc (struct _To_Unsigned_Type): Move...
	* include/tr1/random: ... here.
	(class subtract_with_carry): Use it everywhere.

	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/cons/seed1.cc: Qualify 1 as 1UL.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/cons/seed2.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/cons/default.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/cons/gen1.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/requirements/typedefs.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/operators/equal.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/operators/not_equal.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/operators/serialize.cc: Likewise.

From-SVN: r116327