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minstd_rand has been moved to Core

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This commit is contained in:
Peter Dimov 2024-04-14 06:10:37 +03:00
parent e0ecf92764
commit 12c95c48cf
1 changed files with 1 additions and 43 deletions
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44
include/boost/utility/detail/minstd_rand.hpp
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@ -11,48 +11,6 @@
// An implementation of minstd_rand that does not require // An implementation of minstd_rand that does not require
// the Random library // the Random library
#include <boost/cstdint.hpp> #include <boost/core/detail/minstd_rand.hpp>
namespace boost
{
namespace detail
{
class minstd_rand
{
private:
boost::uint_least32_t x_;
enum { a = 48271, m = 2147483647 };
public:
minstd_rand(): x_( 1 )
{
}
explicit minstd_rand( boost::uint_least32_t x ): x_( x % m )
{
if( x_ == 0 )
{
x_ = 1;
}
}
boost::uint_least32_t operator()()
{
boost::uint_least64_t y = x_;
y = ( a * y ) % m;
x_ = static_cast<boost::uint_least32_t>( y );
return x_;
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_UTILITY_DETAIL_MINSTD_RAND_HPP_INCLUDED #endif // #ifndef BOOST_UTILITY_DETAIL_MINSTD_RAND_HPP_INCLUDED