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Diffstat (limited to 'src/third_party/boost-1.60.0/boost/random/uniform_int.hpp')
-rw-r--r-- | src/third_party/boost-1.60.0/boost/random/uniform_int.hpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/random/uniform_int.hpp b/src/third_party/boost-1.60.0/boost/random/uniform_int.hpp new file mode 100644 index 00000000000..4362652593d --- /dev/null +++ b/src/third_party/boost-1.60.0/boost/random/uniform_int.hpp @@ -0,0 +1,99 @@ +/* boost random/uniform_int.hpp header file + * + * Copyright Jens Maurer 2000-2001 + * Distributed under the Boost Software License, Version 1.0. (See + * accompanying file LICENSE_1_0.txt or copy at + * http://www.boost.org/LICENSE_1_0.txt) + * + * See http://www.boost.org for most recent version including documentation. + * + * $Id$ + * + * Revision history + * 2001-04-08 added min<max assertion (N. Becker) + * 2001-02-18 moved to individual header files + */ + +#ifndef BOOST_RANDOM_UNIFORM_INT_HPP +#define BOOST_RANDOM_UNIFORM_INT_HPP + +#include <boost/assert.hpp> +#include <boost/random/uniform_int_distribution.hpp> + +namespace boost { + +/** + * The distribution function uniform_int models a \random_distribution. + * On each invocation, it returns a random integer value uniformly + * distributed in the set of integer numbers {min, min+1, min+2, ..., max}. + * + * The template parameter IntType shall denote an integer-like value type. + * + * This class is deprecated. Please use @c uniform_int_distribution in + * new code. + */ +template<class IntType = int> +class uniform_int : public random::uniform_int_distribution<IntType> +{ + typedef random::uniform_int_distribution<IntType> base_type; +public: + + class param_type : public base_type::param_type + { + public: + typedef uniform_int distribution_type; + /** + * Constructs the parameters of a uniform_int distribution. + * + * Requires: min <= max + */ + explicit param_type(IntType min_arg = 0, IntType max_arg = 9) + : base_type::param_type(min_arg, max_arg) + {} + }; + + /** + * Constructs a uniform_int object. @c min and @c max are + * the parameters of the distribution. + * + * Requires: min <= max + */ + explicit uniform_int(IntType min_arg = 0, IntType max_arg = 9) + : base_type(min_arg, max_arg) + {} + + /** Constructs a uniform_int distribution from its parameters. */ + explicit uniform_int(const param_type& parm) + : base_type(parm) + {} + + /** Returns the parameters of the distribution */ + param_type param() const { return param_type(this->a(), this->b()); } + /** Sets the parameters of the distribution. */ + void param(const param_type& parm) { this->base_type::param(parm); } + + // Codergear seems to have trouble with a using declaration here + + template<class Engine> + IntType operator()(Engine& eng) const + { + return static_cast<const base_type&>(*this)(eng); + } + + template<class Engine> + IntType operator()(Engine& eng, const param_type& parm) const + { + return static_cast<const base_type&>(*this)(eng, parm); + } + + template<class Engine> + IntType operator()(Engine& eng, IntType n) const + { + BOOST_ASSERT(n > 0); + return static_cast<const base_type&>(*this)(eng, param_type(0, n - 1)); + } +}; + +} // namespace boost + +#endif // BOOST_RANDOM_UNIFORM_INT_HPP |