rational_horner3_2.hpp 1.6 KB

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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. // Polynomial evaluation using second order Horners rule
  8. #ifndef BOOST_MATH_TOOLS_RAT_EVAL_2_HPP
  9. #define BOOST_MATH_TOOLS_RAT_EVAL_2_HPP
  10. namespace boost{ namespace math{ namespace tools{ namespace detail{
  11. template <class T, class U, class V>
  12. inline V evaluate_rational_c_imp(const T*, const U*, const V&, const mpl::int_<0>*) BOOST_MATH_NOEXCEPT(V)
  13. {
  14. return static_cast<V>(0);
  15. }
  16. template <class T, class U, class V>
  17. inline V evaluate_rational_c_imp(const T* a, const U* b, const V&, const mpl::int_<1>*) BOOST_MATH_NOEXCEPT(V)
  18. {
  19. return static_cast<V>(a[0]) / static_cast<V>(b[0]);
  20. }
  21. template <class T, class U, class V>
  22. inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<2>*) BOOST_MATH_NOEXCEPT(V)
  23. {
  24. return static_cast<V>((a[1] * x + a[0]) / (b[1] * x + b[0]));
  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_<3>*) BOOST_MATH_NOEXCEPT(V)
  28. {
  29. return static_cast<V>(((a[2] * x + a[1]) * x + a[0]) / ((b[2] * x + b[1]) * x + b[0]));
  30. }
  31. template <class T, class U, class V>
  32. inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<4>*) BOOST_MATH_NOEXCEPT(V)
  33. {
  34. return static_cast<V>((((a[3] * x + a[2]) * x + a[1]) * x + a[0]) / (((b[3] * x + b[2]) * x + b[1]) * x + b[0]));
  35. }
  36. }}}} // namespaces
  37. #endif // include guard