eigen_resize.hpp 2.9 KB

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  1. /*
  2. [auto_generated]
  3. boost/numeric/odeint/external/eigen/eigen_resize.hpp
  4. [begin_description]
  5. tba.
  6. [end_description]
  7. Copyright 2013 Ankur Sinha
  8. Copyright 2013 Karsten Ahnert
  9. Distributed under the Boost Software License, Version 1.0.
  10. (See accompanying file LICENSE_1_0.txt or
  11. copy at http://www.boost.org/LICENSE_1_0.txt)
  12. */
  13. #ifndef BOOST_NUMERIC_ODEINT_EXTERNAL_EIGEN_EIGEN_RESIZE_HPP_DEFINED
  14. #define BOOST_NUMERIC_ODEINT_EXTERNAL_EIGEN_EIGEN_RESIZE_HPP_DEFINED
  15. #include <type_traits>
  16. #include <boost/numeric/odeint/util/is_resizeable.hpp>
  17. #include <boost/numeric/odeint/util/resize.hpp>
  18. #include <boost/numeric/odeint/util/same_size.hpp>
  19. #include <Eigen/Dense>
  20. namespace boost {
  21. namespace numeric {
  22. namespace odeint {
  23. template< class Derived >
  24. struct is_resizeable_sfinae< Derived ,
  25. typename std::enable_if< std::is_base_of< Eigen::MatrixBase< Derived > , Derived >::value >::type >
  26. {
  27. typedef std::integral_constant<bool, true> type;
  28. const static bool value = type::value;
  29. };
  30. template < class Derived >
  31. struct is_resizeable_sfinae< Derived ,
  32. typename std::enable_if< std::is_base_of< Eigen::ArrayBase< Derived > , Derived >::value >::type >
  33. {
  34. typedef std::integral_constant<bool, true> type;
  35. const static bool value = type::value;
  36. };
  37. template< class Derived >
  38. struct same_size_impl_sfinae< Derived , Derived ,
  39. typename std::enable_if< std::is_base_of< Eigen::MatrixBase< Derived > , Derived >::value >::type >
  40. {
  41. static bool same_size( const Eigen::MatrixBase< Derived > &m1 , const Eigen::MatrixBase< Derived > &m2 )
  42. {
  43. return ( ( m1.innerSize () == m2.innerSize () ) && ( m1.outerSize() == m2.outerSize() ) );
  44. }
  45. };
  46. template< class Derived >
  47. struct same_size_impl_sfinae< Derived , Derived ,
  48. typename std::enable_if< std::is_base_of< Eigen::ArrayBase< Derived > , Derived >::value >::type >
  49. {
  50. static bool same_size( const Eigen::ArrayBase< Derived > &v1 , const Eigen::ArrayBase< Derived > &v2 )
  51. {
  52. return ( ( v1.innerSize () == v2.innerSize () ) && ( v1.outerSize() == v2.outerSize() ) );
  53. }
  54. };
  55. template< class Derived >
  56. struct resize_impl_sfinae< Derived , Derived ,
  57. typename std::enable_if< std::is_base_of< Eigen::MatrixBase< Derived > , Derived >::value >::type >
  58. {
  59. static void resize( Eigen::MatrixBase< Derived > &m1 , const Eigen::MatrixBase< Derived > &m2 )
  60. {
  61. m1.derived().resizeLike(m2);
  62. }
  63. };
  64. template< class Derived >
  65. struct resize_impl_sfinae< Derived , Derived ,
  66. typename std::enable_if< std::is_base_of< Eigen::ArrayBase< Derived > , Derived >::value >::type >
  67. {
  68. static void resize( Eigen::ArrayBase< Derived > &v1 , const Eigen::ArrayBase< Derived > &v2 )
  69. {
  70. v1.derived().resizeLike(v2);
  71. }
  72. };
  73. } // namespace odeint
  74. } // namespace numeric
  75. } // namespace boost
  76. #endif // BOOST_NUMERIC_ODEINT_EXTERNAL_EIGEN_EIGEN_RESIZE_HPP_DEFINED