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boost/math/tools/detail/polynomial_horner3_6.hpp

```//  (C) Copyright John Maddock 2007.
//  Use, modification and distribution are subject to the
//  Boost Software License, Version 1.0. (See accompanying file
//
//  This file is machine generated, do not edit by hand

// Unrolled polynomial evaluation using second order Horners rule
#ifndef BOOST_MATH_TOOLS_POLY_EVAL_6_HPP
#define BOOST_MATH_TOOLS_POLY_EVAL_6_HPP

namespace boost{ namespace math{ namespace tools{ namespace detail{

template <class T, class V>
inline V evaluate_polynomial_c_imp(const T*, const V&, const std::integral_constant<int, 0>*) BOOST_MATH_NOEXCEPT(V)
{
return static_cast<V>(0);
}

template <class T, class V>
inline V evaluate_polynomial_c_imp(const T* a, const V&, const std::integral_constant<int, 1>*) BOOST_MATH_NOEXCEPT(V)
{
return static_cast<V>(a[0]);
}

template <class T, class V>
inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 2>*) BOOST_MATH_NOEXCEPT(V)
{
return static_cast<V>(a[1] * x + a[0]);
}

template <class T, class V>
inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 3>*) BOOST_MATH_NOEXCEPT(V)
{
return static_cast<V>((a[2] * x + a[1]) * x + a[0]);
}

template <class T, class V>
inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 4>*) BOOST_MATH_NOEXCEPT(V)
{
return static_cast<V>(((a[3] * x + a[2]) * x + a[1]) * x + a[0]);
}

template <class T, class V>
inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 5>*) BOOST_MATH_NOEXCEPT(V)
{
V x2 = x * x;
V t[2];
t[0] = static_cast<V>(a[4] * x2 + a[2]);
t[1] = static_cast<V>(a[3] * x2 + a[1]);
t[0] *= x2;
t[0] += static_cast<V>(a[0]);
t[1] *= x;
return t[0] + t[1];
}

template <class T, class V>
inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 6>*) BOOST_MATH_NOEXCEPT(V)
{
V x2 = x * x;
V t[2];
t[0] = a[5] * x2 + a[3];
t[1] = a[4] * x2 + a[2];
t[0] *= x2;
t[1] *= x2;
t[0] += static_cast<V>(a[1]);
t[1] += static_cast<V>(a[0]);
t[0] *= x;
return t[0] + t[1];
}

}}}} // namespaces

#endif // include guard

```