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140 lines
5.1 KiB
140 lines
5.1 KiB
/* Boost interval/rounded_transc.hpp template implementation file |
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* |
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* Copyright 2002-2003 Hervé Brönnimann, Guillaume Melquiond, Sylvain Pion |
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* |
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* Distributed under the Boost Software License, Version 1.0. |
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* (See accompanying file LICENSE_1_0.txt or |
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* copy at http://www.boost.org/LICENSE_1_0.txt) |
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*/ |
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#ifndef BOOST_NUMERIC_INTERVAL_ROUNDED_TRANSC_HPP |
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#define BOOST_NUMERIC_INTERVAL_ROUNDED_TRANSC_HPP |
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#include <boost/numeric/interval/rounding.hpp> |
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#include <boost/numeric/interval/detail/bugs.hpp> |
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#include <boost/config/no_tr1/cmath.hpp> |
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namespace boost { |
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namespace numeric { |
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namespace interval_lib { |
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template<class T, class Rounding> |
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struct rounded_transc_exact: Rounding |
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{ |
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# define BOOST_NUMERIC_INTERVAL_new_func(f) \ |
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T f##_down(const T& x) { BOOST_NUMERIC_INTERVAL_using_math(f); return f(x); } \ |
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T f##_up (const T& x) { BOOST_NUMERIC_INTERVAL_using_math(f); return f(x); } |
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BOOST_NUMERIC_INTERVAL_new_func(exp) |
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BOOST_NUMERIC_INTERVAL_new_func(log) |
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BOOST_NUMERIC_INTERVAL_new_func(sin) |
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BOOST_NUMERIC_INTERVAL_new_func(cos) |
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BOOST_NUMERIC_INTERVAL_new_func(tan) |
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BOOST_NUMERIC_INTERVAL_new_func(asin) |
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BOOST_NUMERIC_INTERVAL_new_func(acos) |
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BOOST_NUMERIC_INTERVAL_new_func(atan) |
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BOOST_NUMERIC_INTERVAL_new_func(sinh) |
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BOOST_NUMERIC_INTERVAL_new_func(cosh) |
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BOOST_NUMERIC_INTERVAL_new_func(tanh) |
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# undef BOOST_NUMERIC_INTERVAL_new_func |
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# define BOOST_NUMERIC_INTERVAL_new_func(f) \ |
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T f##_down(const T& x) { BOOST_NUMERIC_INTERVAL_using_ahyp(f); return f(x); } \ |
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T f##_up (const T& x) { BOOST_NUMERIC_INTERVAL_using_ahyp(f); return f(x); } |
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BOOST_NUMERIC_INTERVAL_new_func(asinh) |
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BOOST_NUMERIC_INTERVAL_new_func(acosh) |
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BOOST_NUMERIC_INTERVAL_new_func(atanh) |
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# undef BOOST_NUMERIC_INTERVAL_new_func |
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}; |
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template<class T, class Rounding> |
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struct rounded_transc_std: Rounding |
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{ |
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# define BOOST_NUMERIC_INTERVAL_new_func(f) \ |
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T f##_down(const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_math(f); \ |
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this->downward(); return this->force_rounding(f(x)); } \ |
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T f##_up (const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_math(f); \ |
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this->upward(); return this->force_rounding(f(x)); } |
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BOOST_NUMERIC_INTERVAL_new_func(exp) |
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BOOST_NUMERIC_INTERVAL_new_func(log) |
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BOOST_NUMERIC_INTERVAL_new_func(sin) |
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BOOST_NUMERIC_INTERVAL_new_func(cos) |
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BOOST_NUMERIC_INTERVAL_new_func(tan) |
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BOOST_NUMERIC_INTERVAL_new_func(asin) |
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BOOST_NUMERIC_INTERVAL_new_func(acos) |
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BOOST_NUMERIC_INTERVAL_new_func(atan) |
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BOOST_NUMERIC_INTERVAL_new_func(sinh) |
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BOOST_NUMERIC_INTERVAL_new_func(cosh) |
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BOOST_NUMERIC_INTERVAL_new_func(tanh) |
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# undef BOOST_NUMERIC_INTERVAL_new_func |
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# define BOOST_NUMERIC_INTERVAL_new_func(f) \ |
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T f##_down(const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_ahyp(f); \ |
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this->downward(); return this->force_rounding(f(x)); } \ |
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T f##_up (const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_ahyp(f); \ |
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this->upward(); return this->force_rounding(f(x)); } |
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BOOST_NUMERIC_INTERVAL_new_func(asinh) |
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BOOST_NUMERIC_INTERVAL_new_func(acosh) |
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BOOST_NUMERIC_INTERVAL_new_func(atanh) |
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# undef BOOST_NUMERIC_INTERVAL_new_func |
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}; |
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template<class T, class Rounding> |
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struct rounded_transc_opp: Rounding |
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{ |
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# define BOOST_NUMERIC_INTERVAL_new_func(f) \ |
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T f##_down(const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_math(f); \ |
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this->downward(); T y = this->force_rounding(f(x)); \ |
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this->upward(); return y; } \ |
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T f##_up (const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_math(f); \ |
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return this->force_rounding(f(x)); } |
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BOOST_NUMERIC_INTERVAL_new_func(exp) |
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BOOST_NUMERIC_INTERVAL_new_func(log) |
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BOOST_NUMERIC_INTERVAL_new_func(cos) |
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BOOST_NUMERIC_INTERVAL_new_func(acos) |
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BOOST_NUMERIC_INTERVAL_new_func(cosh) |
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# undef BOOST_NUMERIC_INTERVAL_new_func |
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# define BOOST_NUMERIC_INTERVAL_new_func(f) \ |
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T f##_down(const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_math(f); \ |
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return -this->force_rounding(-f(x)); } \ |
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T f##_up (const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_math(f); \ |
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return this->force_rounding(f(x)); } |
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BOOST_NUMERIC_INTERVAL_new_func(sin) |
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BOOST_NUMERIC_INTERVAL_new_func(tan) |
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BOOST_NUMERIC_INTERVAL_new_func(asin) |
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BOOST_NUMERIC_INTERVAL_new_func(atan) |
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BOOST_NUMERIC_INTERVAL_new_func(sinh) |
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BOOST_NUMERIC_INTERVAL_new_func(tanh) |
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# undef BOOST_NUMERIC_INTERVAL_new_func |
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# define BOOST_NUMERIC_INTERVAL_new_func(f) \ |
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T f##_down(const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_ahyp(f); \ |
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this->downward(); T y = this->force_rounding(f(x)); \ |
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this->upward(); return y; } \ |
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T f##_up (const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_ahyp(f); \ |
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return this->force_rounding(f(x)); } |
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BOOST_NUMERIC_INTERVAL_new_func(asinh) |
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BOOST_NUMERIC_INTERVAL_new_func(atanh) |
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# undef BOOST_NUMERIC_INTERVAL_new_func |
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# define BOOST_NUMERIC_INTERVAL_new_func(f) \ |
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T f##_down(const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_ahyp(f); \ |
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return -this->force_rounding(-f(x)); } \ |
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T f##_up (const T& x) \ |
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{ BOOST_NUMERIC_INTERVAL_using_ahyp(f); \ |
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return this->force_rounding(f(x)); } |
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BOOST_NUMERIC_INTERVAL_new_func(acosh) |
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# undef BOOST_NUMERIC_INTERVAL_new_func |
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}; |
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} // namespace interval_lib |
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} // namespace numeric |
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} // namespace boost |
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#endif // BOOST_NUMERIC_INTERVAL_ROUNDED_TRANSC_HPP
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