SpECTRE Documentation Coverage Report
Current view: top level - PointwiseFunctions/AnalyticSolutions/Poisson - Zero.hpp Coverage Total Hit
Commit: 0d1d717af84a81fb1284a20c4013708fe85cc2f0 Lines: 6.7 % 15 1
Test Date: 2026-10-22 17:29:42
Legend: Lines:     hit not hit

            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              : #include <pup.h>
       8              : 
       9              : #include "DataStructures/DataBox/Prefixes.hpp"
      10              : #include "DataStructures/DataVector.hpp"
      11              : #include "DataStructures/TaggedTuple.hpp"
      12              : #include "DataStructures/Tensor/Tensor.hpp"
      13              : #include "Elliptic/Systems/Poisson/Tags.hpp"
      14              : #include "NumericalAlgorithms/LinearOperators/PartialDerivatives.hpp"
      15              : #include "NumericalAlgorithms/Spectral/Mesh.hpp"
      16              : #include "Options/String.hpp"
      17              : #include "PointwiseFunctions/InitialDataUtilities/AnalyticSolution.hpp"
      18              : #include "Utilities/MakeWithValue.hpp"
      19              : #include "Utilities/Serialization/CharmPupable.hpp"
      20              : #include "Utilities/TMPL.hpp"
      21              : 
      22              : namespace Poisson::Solutions {
      23              : 
      24              : /// The trivial solution \f$u=0\f$ of a Poisson equation. Useful as initial
      25              : /// guess.
      26              : template <size_t Dim, typename DataType = DataVector>
      27            1 : class Zero : public elliptic::analytic_data::AnalyticSolution {
      28              :  public:
      29            0 :   using options = tmpl::list<>;
      30            0 :   static constexpr Options::String help{
      31              :       "The trivial solution, useful as initial guess."};
      32              : 
      33            0 :   Zero() = default;
      34            0 :   Zero(const Zero&) = default;
      35            0 :   Zero& operator=(const Zero&) = default;
      36            0 :   Zero(Zero&&) = default;
      37            0 :   Zero& operator=(Zero&&) = default;
      38            0 :   ~Zero() override = default;
      39            0 :   std::unique_ptr<elliptic::analytic_data::AnalyticSolution> get_clone()
      40              :       const override {
      41              :     return std::make_unique<Zero>(*this);
      42              :   }
      43              : 
      44              :   /// \cond
      45              :   explicit Zero(CkMigrateMessage* m)
      46              :       : elliptic::analytic_data::AnalyticSolution(m) {}
      47              :   using PUP::able::register_constructor;
      48              :   WRAPPED_PUPable_decl_template(Zero);  // NOLINT
      49              :   /// \endcond
      50              : 
      51              :   template <typename... RequestedTags>
      52            0 :   tuples::TaggedTuple<RequestedTags...> variables(
      53              :       const tnsr::I<DataVector, Dim>& x,
      54              :       tmpl::list<RequestedTags...> /*meta*/) const {
      55              :     using supported_tags = tmpl::list<
      56              :         Tags::Field<DataType>,
      57              :         ::Tags::deriv<Tags::Field<DataType>, tmpl::size_t<Dim>,
      58              :                       Frame::Inertial>,
      59              :         ::Tags::Flux<Tags::Field<DataType>, tmpl::size_t<Dim>, Frame::Inertial>,
      60              :         ::Tags::FixedSource<Tags::Field<DataType>>>;
      61              :     static_assert(tmpl::size<tmpl::list_difference<tmpl::list<RequestedTags...>,
      62              :                                                    supported_tags>>::value == 0,
      63              :                   "The requested tag is not supported");
      64              :     return {make_with_value<typename RequestedTags::type>(x, 0.)...};
      65              :   }
      66              : 
      67              :   template <typename... RequestedTags>
      68            0 :   tuples::TaggedTuple<RequestedTags...> variables(
      69              :       const tnsr::I<DataVector, Dim>& x, const Mesh<Dim>& /*mesh*/,
      70              :       const InverseJacobian<DataVector, Dim, Frame::ElementLogical,
      71              :                             Frame::Inertial>& /*inv_jacobian*/,
      72              :       tmpl::list<RequestedTags...> meta) const {
      73              :     return variables(x, meta);
      74              :   }
      75              : };
      76              : 
      77              : /// \cond
      78              : template <size_t Dim, typename DataType>
      79              : PUP::able::PUP_ID Zero<Dim, DataType>::my_PUP_ID = 0;  // NOLINT
      80              : /// \endcond
      81              : 
      82              : template <size_t Dim, typename DataType>
      83            0 : bool operator==(const Zero<Dim, DataType>& /*lhs*/,
      84              :                 const Zero<Dim, DataType>& /*rhs*/) {
      85              :   return true;
      86              : }
      87              : 
      88              : template <size_t Dim, typename DataType>
      89            0 : bool operator!=(const Zero<Dim, DataType>& lhs,
      90              :                 const Zero<Dim, DataType>& rhs) {
      91              :   return not(lhs == rhs);
      92              : }
      93              : 
      94              : }  // namespace Poisson::Solutions
        

Generated by: LCOV version 2.0-1