quintic_hermite.hpp 3.6 KB

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  1. /*
  2. * Copyright Nick Thompson, 2020
  3. * Use, modification and distribution are subject to the
  4. * Boost Software License, Version 1.0. (See accompanying file
  5. * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  6. */
  7. #ifndef BOOST_MATH_INTERPOLATORS_QUINTIC_HERMITE_HPP
  8. #define BOOST_MATH_INTERPOLATORS_QUINTIC_HERMITE_HPP
  9. #include <algorithm>
  10. #include <stdexcept>
  11. #include <memory>
  12. #include <cstdint>
  13. #include <boost/math/interpolators/detail/quintic_hermite_detail.hpp>
  14. namespace boost {
  15. namespace math {
  16. namespace interpolators {
  17. template<class RandomAccessContainer>
  18. class quintic_hermite {
  19. public:
  20. using Real = typename RandomAccessContainer::value_type;
  21. quintic_hermite(RandomAccessContainer && x, RandomAccessContainer && y, RandomAccessContainer && dydx, RandomAccessContainer && d2ydx2)
  22. : impl_(std::make_shared<detail::quintic_hermite_detail<RandomAccessContainer>>(std::move(x), std::move(y), std::move(dydx), std::move(d2ydx2)))
  23. {}
  24. Real operator()(Real x) const
  25. {
  26. return impl_->operator()(x);
  27. }
  28. Real prime(Real x) const
  29. {
  30. return impl_->prime(x);
  31. }
  32. Real double_prime(Real x) const
  33. {
  34. return impl_->double_prime(x);
  35. }
  36. friend std::ostream& operator<<(std::ostream & os, const quintic_hermite & m)
  37. {
  38. os << *m.impl_;
  39. return os;
  40. }
  41. void push_back(Real x, Real y, Real dydx, Real d2ydx2)
  42. {
  43. impl_->push_back(x, y, dydx, d2ydx2);
  44. }
  45. std::int64_t bytes() const
  46. {
  47. return impl_->bytes() + sizeof(impl_);
  48. }
  49. std::pair<Real, Real> domain() const
  50. {
  51. return impl_->domain();
  52. }
  53. private:
  54. std::shared_ptr<detail::quintic_hermite_detail<RandomAccessContainer>> impl_;
  55. };
  56. template<class RandomAccessContainer>
  57. class cardinal_quintic_hermite {
  58. public:
  59. using Real = typename RandomAccessContainer::value_type;
  60. cardinal_quintic_hermite(RandomAccessContainer && y, RandomAccessContainer && dydx, RandomAccessContainer && d2ydx2, Real x0, Real dx)
  61. : impl_(std::make_shared<detail::cardinal_quintic_hermite_detail<RandomAccessContainer>>(std::move(y), std::move(dydx), std::move(d2ydx2), x0, dx))
  62. {}
  63. inline Real operator()(Real x) const {
  64. return impl_->operator()(x);
  65. }
  66. inline Real prime(Real x) const {
  67. return impl_->prime(x);
  68. }
  69. inline Real double_prime(Real x) const
  70. {
  71. return impl_->double_prime(x);
  72. }
  73. std::int64_t bytes() const
  74. {
  75. return impl_->bytes() + sizeof(impl_);
  76. }
  77. std::pair<Real, Real> domain() const
  78. {
  79. return impl_->domain();
  80. }
  81. private:
  82. std::shared_ptr<detail::cardinal_quintic_hermite_detail<RandomAccessContainer>> impl_;
  83. };
  84. template<class RandomAccessContainer>
  85. class cardinal_quintic_hermite_aos {
  86. public:
  87. using Point = typename RandomAccessContainer::value_type;
  88. using Real = typename Point::value_type;
  89. cardinal_quintic_hermite_aos(RandomAccessContainer && data, Real x0, Real dx)
  90. : impl_(std::make_shared<detail::cardinal_quintic_hermite_detail_aos<RandomAccessContainer>>(std::move(data), x0, dx))
  91. {}
  92. inline Real operator()(Real x) const
  93. {
  94. return impl_->operator()(x);
  95. }
  96. inline Real prime(Real x) const
  97. {
  98. return impl_->prime(x);
  99. }
  100. inline Real double_prime(Real x) const
  101. {
  102. return impl_->double_prime(x);
  103. }
  104. std::int64_t bytes() const
  105. {
  106. return impl_->bytes() + sizeof(impl_);
  107. }
  108. std::pair<Real, Real> domain() const
  109. {
  110. return impl_->domain();
  111. }
  112. private:
  113. std::shared_ptr<detail::cardinal_quintic_hermite_detail_aos<RandomAccessContainer>> impl_;
  114. };
  115. }
  116. }
  117. }
  118. #endif