Line data    Source code

       1            0 : // Distributed under the MIT License.
       2              : // See LICENSE.txt for details.
       3              : 
       4              : #pragma once
       5              : 
       6              : #include "DataStructures/Variables.hpp"
       7              : #include "NumericalAlgorithms/TensorYlm/TensorYlm.hpp"
       8              : #include "Utilities/Gsl.hpp"
       9              : 
      10              : /// \cond
      11              : namespace ylm {
      12              : class Spherepack;
      13              : }  // namespace ylm
      14              : /// \endcond
      15              : 
      16              : namespace ylm::TensorYlm::filter_detail {
      17              : 
      18              : /*!
      19              :  * \brief Does a nodal to modal transform on I1xS2, only in the S2 direction.
      20              :  *
      21              :  * \tparam VarsList A tmpl::list of tags to transform.
      22              :  * \param nodal A Variables containing the input nodal values.
      23              :  * \param modal A Variables containing the output modal values.
      24              :  * \param ylm A Spherepack object with the correct ell_max.
      25              :  * \param radial_extents Number of grid points in I1, or 1 if just an S2.
      26              :  */
      27              : template <typename VarsList>
      28              : void nodal_to_modal_ylm(gsl::not_null<Variables<VarsList>*> modal,
      29              :                         const Variables<VarsList>& nodal,
      30              :                         const ::ylm::Spherepack& ylm, size_t radial_extents);
      31              : 
      32              : /*!
      33              :  * \brief Does a modal to nodal transform on I1xS2, only in the S2 direction.
      34              :  *
      35              :  * \tparam VarsList A tmpl::list of tags to transform.
      36              :  * \param modal A Variables containing the input modal values.
      37              :  * \param nodal A Variables containing the output nodal values.
      38              :  * \param ylm A Spherepack object with the correct ell_max.
      39              :  * \param radial_extents Number of grid points in I1, or 1 if just an S2.
      40              :  */
      41              : template <typename VarsList>
      42              : void modal_to_nodal_ylm(gsl::not_null<Variables<VarsList>*> nodal,
      43              :                         const Variables<VarsList>& modal,
      44              :                         const ::ylm::Spherepack& ylm, size_t radial_extents);
      45              : }  // namespace ylm::TensorYlm::filter_detail