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Initial work for G-code sender and more intensive usage of Boost
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xs/include/boost/random/detail/uniform_int_float.hpp
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76
xs/include/boost/random/detail/uniform_int_float.hpp
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/* boost random/detail/uniform_int_float.hpp header file
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*
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* Copyright Jens Maurer 2000-2001
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* Copyright Steven Watanabe 2011
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* Distributed under the Boost Software License, Version 1.0. (See
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* accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* See http://www.boost.org for most recent version including documentation.
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*
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* $Id: uniform_int_float.hpp 72951 2011-07-07 04:57:37Z steven_watanabe $
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*
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*/
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#ifndef BOOST_RANDOM_DETAIL_UNIFORM_INT_FLOAT_HPP
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#define BOOST_RANDOM_DETAIL_UNIFORM_INT_FLOAT_HPP
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#include <boost/limits.hpp>
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#include <boost/config.hpp>
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#include <boost/integer.hpp>
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#include <boost/random/detail/config.hpp>
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#include <boost/random/detail/generator_bits.hpp>
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#include <boost/random/detail/disable_warnings.hpp>
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namespace boost {
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namespace random {
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namespace detail {
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template<class URNG>
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class uniform_int_float
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{
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public:
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typedef URNG base_type;
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typedef typename base_type::result_type base_result;
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typedef typename boost::uint_t<
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(std::numeric_limits<boost::uintmax_t>::digits <
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std::numeric_limits<base_result>::digits)?
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std::numeric_limits<boost::uintmax_t>::digits :
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std::numeric_limits<base_result>::digits
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>::fast result_type;
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uniform_int_float(base_type& rng)
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: _rng(rng) {}
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static result_type min BOOST_PREVENT_MACRO_SUBSTITUTION ()
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{ return 0; }
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static result_type max BOOST_PREVENT_MACRO_SUBSTITUTION ()
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{
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std::size_t digits = std::numeric_limits<result_type>::digits;
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if(detail::generator_bits<URNG>::value() < digits) {
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digits = detail::generator_bits<URNG>::value();
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}
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return (result_type(2) << (digits - 1)) - 1;
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}
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base_type& base() { return _rng; }
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const base_type& base() const { return _rng; }
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result_type operator()()
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{
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base_result range = static_cast<base_result>((max)())+1;
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return static_cast<result_type>(_rng() * range);
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}
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private:
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base_type& _rng;
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};
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} // namespace detail
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} // namespace random
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} // namespace boost
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#include <boost/random/detail/enable_warnings.hpp>
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#endif // BOOST_RANDOM_DETAIL_UNIFORM_INT_FLOAT_HPP
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