Line data    Source code

       1            0 : // Distributed under the MIT License.
       2              : // See LICENSE.txt for details.
       3              : 
       4              : #pragma once
       5              : 
       6              : #include "NumericalAlgorithms/Spectral/Basis.hpp"
       7              : #include "NumericalAlgorithms/Spectral/Quadrature.hpp"
       8              : 
       9            0 : namespace Filters::detail {
      10              : // Returns true if `basis` is a Legendre or Chebyshev basis collocated on
      11              : // Gauss or Gauss-Lobatto points, i.e. a standard one-dimensional spectral
      12              : // direction usable by the exponential filter engine.
      13              : inline bool is_legendre_or_chebyshev(const Spectral::Basis basis,
      14              :                                      const Spectral::Quadrature quadrature) {
      15              :   return (basis == Spectral::Basis::Legendre or
      16              :           basis == Spectral::Basis::Chebyshev) and
      17              :          (quadrature == Spectral::Quadrature::Gauss or
      18              :           quadrature == Spectral::Quadrature::GaussLobatto);
      19              : }
      20              : }  // namespace Filters::detail