Line data    Source code

       1            0 : // Distributed under the MIT License.
       2              : // See LICENSE.txt for details.
       3              : 
       4              : #pragma once
       5              : 
       6              : namespace Poisson {
       7              : /// \brief Types of background geometries for the Poisson equation
       8            1 : enum class Geometry {
       9              :   /// Euclidean (flat) manifold with Cartesian coordinates, i.e. the metric has
      10              :   /// components \f$\gamma_{ij} = \delta_{ij}\f$ in these coordinates and thus
      11              :   /// all Christoffel symbols vanish: \f$\Gamma^i_{jk}=0\f$.
      12              :   FlatCartesian,
      13              :   /// The manifold is either curved or employs curved coordinates, so
      14              :   /// non-vanishing Christoffel symbols must be taken into account.
      15              :   Curved
      16              : };
      17              : }  // namespace Poisson