62 lines
1.8 KiB
Plaintext
62 lines
1.8 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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// Unrolled polynomial evaluation using second order Horners rule
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#ifndef BOOST_MATH_TOOLS_POLY_EVAL_5_HPP
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#define BOOST_MATH_TOOLS_POLY_EVAL_5_HPP
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namespace boost{ namespace math{ namespace tools{ namespace detail{
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template <class T, class V>
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inline V evaluate_polynomial_c_imp(const T*, 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 V>
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inline V evaluate_polynomial_c_imp(const T* a, const V&, const mpl::int_<1>*) BOOST_MATH_NOEXCEPT(V)
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{
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return static_cast<V>(a[0]);
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}
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template <class T, class V>
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inline V evaluate_polynomial_c_imp(const T* a, const V& x, const mpl::int_<2>*) BOOST_MATH_NOEXCEPT(V)
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{
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return static_cast<V>(a[1] * x + a[0]);
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}
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template <class T, class V>
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inline V evaluate_polynomial_c_imp(const T* a, const V& x, const mpl::int_<3>*) BOOST_MATH_NOEXCEPT(V)
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{
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return static_cast<V>((a[2] * x + a[1]) * x + a[0]);
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}
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template <class T, class V>
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inline V evaluate_polynomial_c_imp(const T* a, const V& x, const mpl::int_<4>*) BOOST_MATH_NOEXCEPT(V)
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{
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return static_cast<V>(((a[3] * x + a[2]) * x + a[1]) * x + a[0]);
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}
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template <class T, class V>
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inline V evaluate_polynomial_c_imp(const T* a, const V& x, const mpl::int_<5>*) BOOST_MATH_NOEXCEPT(V)
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{
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V x2 = x * x;
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V t[2];
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t[0] = static_cast<V>(a[4] * x2 + a[2]);
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t[1] = static_cast<V>(a[3] * x2 + a[1]);
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t[0] *= x2;
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t[0] += static_cast<V>(a[0]);
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t[1] *= x;
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return t[0] + t[1];
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}
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}}}} // namespaces
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#endif // include guard
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