random/detail/generator_bits.hpp

0001 /* boost random/detail/generator_bits.hpp header file
0002  *
0003  * Copyright Steven Watanabe 2011
0004  * Distributed under the Boost Software License, Version 1.0. (See
0005  * accompanying file LICENSE_1_0.txt or copy at
0006  * http://www.boost.org/LICENSE_1_0.txt)
0007  *
0008  * See http://www.boost.org for most recent version including documentation.
0009  *
0010  * $Id$
0011  *
0012  */
0013
0014 #ifndef BOOST_RANDOM_DETAIL_GENERATOR_BITS_HPP
0015 #define BOOST_RANDOM_DETAIL_GENERATOR_BITS_HPP
0016
0017 #include <boost/limits.hpp>
0018
0019 namespace boost {
0020 namespace random {
0021 namespace detail {
0022
0023 // This is a temporary measure that retains backwards
0024 // compatibility.
0025 template<class URNG>
0026 struct generator_bits {
0027     static std::size_t value() {
0028         return std::numeric_limits<typename URNG::result_type>::digits;
0029     }
0030 };
0031
0032 } // namespace detail
0033 } // namespace random
0034 } // namespace boost
0035
0036 #endif // BOOST_RANDOM_DETAIL_GENERATOR_BITS_HPP