/usr/include/boost/math/tools/detail/rational_horner1_2.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | // (C) Copyright John Maddock 2007.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// This file is machine generated, do not edit by hand
// Polynomial evaluation using Horners rule
#ifndef BOOST_MATH_TOOLS_POLY_RAT_2_HPP
#define BOOST_MATH_TOOLS_POLY_RAT_2_HPP
namespace boost{ namespace math{ namespace tools{ namespace detail{
template <class T, class U, class V>
inline V evaluate_rational_c_imp(const T*, const U*, const V&, const mpl::int_<0>*)
{
return static_cast<V>(0);
}
template <class T, class U, class V>
inline V evaluate_rational_c_imp(const T* a, const U* b, const V&, const mpl::int_<1>*)
{
return static_cast<V>(a[0]) / static_cast<V>(b[0]);
}
template <class T, class U, class V>
inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<2>*)
{
if(x <= 1)
return static_cast<V>((a[1] * x + a[0]) / (b[1] * x + b[0]));
else
{
V z = 1 / x;
return static_cast<V>((a[0] * z + a[1]) / (b[0] * z + b[1]));
}
}
}}}} // namespaces
#endif // include guard
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