random (poisson_distribution<>::_M_initialize): Add.

random (poisson_distribution<>::_M_initialize): Add.

2006-08-15  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/random (poisson_distribution<>::_M_initialize): Add.
	(poisson_distribution<>::poisson_distribution(const _RealType&):
	Use it.
	(operator>>(std::basic_istream<>&, poisson_distribution<>&)):
	Likewise.
	(poisson_distribution<>::_M_large): Remove.
	* include/tr1/random.tcc (poisson_distribution<>::_M_initialize):
	Define.
	(operator<<(std::basic_ostream<>&, const poisson_distribution<>&)):
	Do not output the constants.

	* include/tr1/random (operator>>(std::basic_istream<>&,
	gamma_distribution&)): Minor tweak.

	* include/tr1/random.tcc (poisson_distribution<>::operator()):
	Minor tweak.

	* include/tr1/random: Consistently, all data members private.

From-SVN: r116155