Line data    Source code

       1           0 : // Distributed under the MIT License.
       2             : // See LICENSE.txt for details.
       3             : 
       4             : #pragma once
       5             : 
       6             : #include <cstddef>
       7             : 
       8             : #include "Utilities/Gsl.hpp"
       9             : 
      10             : /// \cond
      11             : template <size_t Dim>
      12             : class Mesh;
      13             : class ComplexDataVector;
      14             : /// \endcond
      15             : 
      16             : namespace Cce {
      17             : /*!
      18             :  * \brief Computes the partial derivative along a particular direction
      19             :  * determined by the `dimension_to_differentiate`.
      20             :  * The input `u` is differentiated with the spectral matrix and the solution is
      21             :  * placed in `d_u`.
      22             :  *
      23             :  * \note This is placed in Cce Utilities for its currently narrow use-case. If
      24             :  * more general uses desire a single partial derivative of complex values, this
      25             :  * should be moved to `NumericalAlgorithms`. This utility currently assumes the
      26             :  * spatial dimensionality is 3, which would also need to be generalized, likely
      27             :  * by creating a wrapping struct with partial template specializations.
      28             :  */
      29           1 : void logical_partial_directional_derivative_of_complex(
      30             :     gsl::not_null<ComplexDataVector*> d_u, const ComplexDataVector& u,
      31             :     const Mesh<3>& mesh, size_t dimension_to_differentiate);
      32             : }  // namespace Cce