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_2_HPP
10 #define BOOST_MATH_TOOLS_POLY_RAT_2_HPP
11
12 namespace boost{ namespace math{ namespace tools{ namespace detail{
13
14 template <class T, class U, class V>
evaluate_rational_c_imp(const T *,const U *,const V &,const boost::integral_constant<int,0> *)15 inline V evaluate_rational_c_imp(const T*, const U*, const V&, const boost::integral_constant<int, 0>*) BOOST_MATH_NOEXCEPT(V)
16 {
17 return static_cast<V>(0);
18 }
19
20 template <class T, class U, class V>
evaluate_rational_c_imp(const T * a,const U * b,const V &,const boost::integral_constant<int,1> *)21 inline V evaluate_rational_c_imp(const T* a, const U* b, const V&, const boost::integral_constant<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>
evaluate_rational_c_imp(const T * a,const U * b,const V & x,const boost::integral_constant<int,2> *)27 inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const boost::integral_constant<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
39 }}}} // namespaces
40
41 #endif // include guard
42
43