ceph/src/boost/boost/math/tools/detail/polynomial_horner2_7.hpp

   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 second order Horners rule
   9 #ifndef BOOST_MATH_TOOLS_POLY_EVAL_7_HPP
  10 #define BOOST_MATH_TOOLS_POLY_EVAL_7_HPP
  11
  12 namespace boost{ namespace math{ namespace tools{ namespace detail{
  13
  14 template <class T, class V>
  15 inline V evaluate_polynomial_c_imp(const T*, const V&, const std::integral_constant<int, 0>*) BOOST_MATH_NOEXCEPT(V)
  16 {
  17    return static_cast<V>(0);
  18 }
  19
  20 template <class T, class V>
  21 inline V evaluate_polynomial_c_imp(const T* a, const V&, const std::integral_constant<int, 1>*) BOOST_MATH_NOEXCEPT(V)
  22 {
  23    return static_cast<V>(a[0]);
  24 }
  25
  26 template <class T, class V>
  27 inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 2>*) BOOST_MATH_NOEXCEPT(V)
  28 {
  29    return static_cast<V>(a[1] * x + a[0]);
  30 }
  31
  32 template <class T, class V>
  33 inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 3>*) BOOST_MATH_NOEXCEPT(V)
  34 {
  35    return static_cast<V>((a[2] * x + a[1]) * x + a[0]);
  36 }
  37
  38 template <class T, class V>
  39 inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 4>*) BOOST_MATH_NOEXCEPT(V)
  40 {
  41    return static_cast<V>(((a[3] * x + a[2]) * x + a[1]) * x + a[0]);
  42 }
  43
  44 template <class T, class V>
  45 inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 5>*) BOOST_MATH_NOEXCEPT(V)
  46 {
  47    V x2 = x * x;
  48    return static_cast<V>((a[4] * x2 + a[2]) * x2 + a[0] + (a[3] * x2 + a[1]) * x);
  49 }
  50
  51 template <class T, class V>
  52 inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 6>*) BOOST_MATH_NOEXCEPT(V)
  53 {
  54    V x2 = x * x;
  55    return static_cast<V>(((a[5] * x2 + a[3]) * x2 + a[1]) * x + (a[4] * x2 + a[2]) * x2 + a[0]);
  56 }
  57
  58 template <class T, class V>
  59 inline V evaluate_polynomial_c_imp(const T* a, const V& x, const std::integral_constant<int, 7>*) BOOST_MATH_NOEXCEPT(V)
  60 {
  61    V x2 = x * x;
  62    return static_cast<V>(((a[6] * x2 + a[4]) * x2 + a[2]) * x2 + a[0] + ((a[5] * x2 + a[3]) * x2 + a[1]) * x);
  63 }
  64
  65
  66 }}}} // namespaces
  67
  68 #endif // include guard
  69