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/SphericalHarmonics/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