2009-10-12  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/random.h (class linear_congruential_engine,
	class mersenne_twister_engine, class subtract_with_carry_engine,
	class discard_block_engine, class independent_bits_engine,
	class shuffle_order_engine, class uniform_int_distribution,
	class binomial_distribution, class geometric_distribution,
	class negative_binomial_distribution, class poisson_distribution,
	class discrete_distribution): Do not use simulated concept checks,
	tidy startic_asserts on argument types and ranges.
	(class uniform_real_distribution, class normal_distribution,
	class lognormal_distribution, class gamma_distribution,
	class chi_squared_distribution, class cauchy_distribution,
	class fisher_f_distribution, class student_t_distribution,
	class exponential_distribution, class weibull_distribution,
	class extreme_value_distribution, class piecewise_linear_distribution,
	class piecewise_constant_distribution): Add static_assert on
	template argument type.
	* include/std/random: Do not include <bits/concept_check.h>.
	* testsuite/26_numerics/random/discard_block_engine/cons/base_move.cc:
	Fix.
	* testsuite/26_numerics/random/discard_block_engine/cons/seed1.cc:
	Likewise.
	* testsuite/26_numerics/random/discard_block_engine/cons/seed2.cc:
	Likewise.
	* testsuite/26_numerics/random/discard_block_engine/cons/base_copy.cc:
	Likewise.
	* testsuite/26_numerics/random/discard_block_engine/cons/default.cc:
	Likewise.
	* testsuite/26_numerics/random/discard_block_engine/cons/seed_seq.cc:
	Likewise.
	* testsuite/26_numerics/random/discard_block_engine/requirements/
	typedefs.cc: Likewise.
	* testsuite/26_numerics/random/discard_block_engine/operators/
	equal.cc: Likewise.
	* testsuite/26_numerics/random/discard_block_engine/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/linear_congruential_engine/
	requirements/non_uint_neg.cc: Tweak.

From-SVN: r152682