67 lines
2.1 KiB
Plaintext
67 lines
2.1 KiB
Plaintext
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// (C) Copyright John Maddock 2007.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// This file is machine generated, do not edit by hand
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// Polynomial evaluation using Horners rule
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#ifndef BOOST_MATH_TOOLS_POLY_RAT_4_HPP
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#define BOOST_MATH_TOOLS_POLY_RAT_4_HPP
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namespace boost{ namespace math{ namespace tools{ namespace detail{
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template <class T, class U, class V>
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inline V evaluate_rational_c_imp(const T*, const U*, const V&, const mpl::int_<0>*) BOOST_MATH_NOEXCEPT(V)
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{
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return static_cast<V>(0);
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}
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template <class T, class U, class V>
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inline V evaluate_rational_c_imp(const T* a, const U* b, const V&, const mpl::int_<1>*) BOOST_MATH_NOEXCEPT(V)
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{
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return static_cast<V>(a[0]) / static_cast<V>(b[0]);
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}
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template <class T, class U, class V>
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inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<2>*) BOOST_MATH_NOEXCEPT(V)
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{
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if(x <= 1)
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return static_cast<V>((a[1] * x + a[0]) / (b[1] * x + b[0]));
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else
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{
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V z = 1 / x;
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return static_cast<V>((a[0] * z + a[1]) / (b[0] * z + b[1]));
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}
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}
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template <class T, class U, class V>
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inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<3>*) BOOST_MATH_NOEXCEPT(V)
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{
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if(x <= 1)
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return static_cast<V>(((a[2] * x + a[1]) * x + a[0]) / ((b[2] * x + b[1]) * x + b[0]));
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else
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{
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V z = 1 / x;
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return static_cast<V>(((a[0] * z + a[1]) * z + a[2]) / ((b[0] * z + b[1]) * z + b[2]));
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}
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}
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template <class T, class U, class V>
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inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<4>*) BOOST_MATH_NOEXCEPT(V)
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{
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if(x <= 1)
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return static_cast<V>((((a[3] * x + a[2]) * x + a[1]) * x + a[0]) / (((b[3] * x + b[2]) * x + b[1]) * x + b[0]));
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else
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{
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V z = 1 / x;
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return static_cast<V>((((a[0] * z + a[1]) * z + a[2]) * z + a[3]) / (((b[0] * z + b[1]) * z + b[2]) * z + b[3]));
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}
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}
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}}}} // namespaces
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#endif // include guard
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