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1 | // (C) Copyright John Maddock 2007. |
2 | // Use, modification and distribution are subject to the | |
3 | // Boost Software License, Version 1.0. (See accompanying file | |
4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
5 | // | |
6 | // This file is machine generated, do not edit by hand | |
7 | ||
8 | // Polynomial evaluation using Horners rule | |
9 | #ifndef BOOST_MATH_TOOLS_POLY_RAT_3_HPP | |
10 | #define BOOST_MATH_TOOLS_POLY_RAT_3_HPP | |
11 | ||
12 | namespace boost{ namespace math{ namespace tools{ namespace detail{ | |
13 | ||
14 | template <class T, class U, class V> | |
15 | inline V evaluate_rational_c_imp(const T*, const U*, const V&, const mpl::int_<0>*) BOOST_MATH_NOEXCEPT(V) | |
16 | { | |
17 | return static_cast<V>(0); | |
18 | } | |
19 | ||
20 | template <class T, class U, class V> | |
21 | inline V evaluate_rational_c_imp(const T* a, const U* b, const V&, const mpl::int_<1>*) BOOST_MATH_NOEXCEPT(V) | |
22 | { | |
23 | return static_cast<V>(a[0]) / static_cast<V>(b[0]); | |
24 | } | |
25 | ||
26 | template <class T, class U, class V> | |
27 | inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<2>*) BOOST_MATH_NOEXCEPT(V) | |
28 | { | |
29 | if(x <= 1) | |
30 | return static_cast<V>((a[1] * x + a[0]) / (b[1] * x + b[0])); | |
31 | else | |
32 | { | |
33 | V z = 1 / x; | |
34 | return static_cast<V>((a[0] * z + a[1]) / (b[0] * z + b[1])); | |
35 | } | |
36 | } | |
37 | ||
38 | template <class T, class U, class V> | |
39 | inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<3>*) BOOST_MATH_NOEXCEPT(V) | |
40 | { | |
41 | if(x <= 1) | |
42 | return static_cast<V>(((a[2] * x + a[1]) * x + a[0]) / ((b[2] * x + b[1]) * x + b[0])); | |
43 | else | |
44 | { | |
45 | V z = 1 / x; | |
46 | return static_cast<V>(((a[0] * z + a[1]) * z + a[2]) / ((b[0] * z + b[1]) * z + b[2])); | |
47 | } | |
48 | } | |
49 | ||
50 | ||
51 | }}}} // namespaces | |
52 | ||
53 | #endif // include guard | |
54 |