LCOV - code coverage report
Current view: top level - include/mfem/integrators - ScaleIntegrator.h (source / functions) Hit Total Coverage
Test: idaholab/moose framework: 2bf808 Lines: 9 10 90.0 %
Date: 2025-07-17 01:28:37 Functions: 3 3 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #ifdef MFEM_ENABLED
      11             : 
      12             : #pragma once
      13             : #include "MFEMGeneralUserObject.h"
      14             : #include "libmesh/ignore_warnings.h"
      15             : #include "mfem/miniapps/common/pfem_extras.hpp"
      16             : #include "libmesh/restore_warnings.h"
      17             : 
      18             : namespace Moose::MFEM
      19             : {
      20             : 
      21             : /// Integrator which scales its results by a constant value
      22             : class ScaleIntegrator : public mfem::BilinearFormIntegrator
      23             : {
      24             : private:
      25             :   mfem::BilinearFormIntegrator * _integrator{nullptr};
      26             :   double _scale;
      27             :   bool _own_integrator;
      28             : 
      29             : public:
      30             :   ScaleIntegrator(mfem::BilinearFormIntegrator * integ)
      31             :     : _integrator{integ}, _scale{1}, _own_integrator{true}
      32             :   {
      33             :   }
      34           2 :   ScaleIntegrator(mfem::BilinearFormIntegrator * integ, double scale)
      35           2 :     : _integrator{integ}, _scale{scale}, _own_integrator{true}
      36             :   {
      37           2 :   }
      38         109 :   ScaleIntegrator(mfem::BilinearFormIntegrator * integ, double scale, bool own)
      39         109 :     : _integrator{integ}, _scale{scale}, _own_integrator{own}
      40             :   {
      41         109 :   }
      42             : 
      43             :   void SetIntegrator(mfem::BilinearFormIntegrator * integ)
      44             :   {
      45             :     if (_integrator && _own_integrator)
      46             :     {
      47             :       delete _integrator;
      48             :     }
      49             : 
      50             :     _integrator = integ;
      51             :   }
      52             : 
      53             :   void SetScale(double scale) { _scale = scale; }
      54             : 
      55             :   void SetOwn(bool own) { _own_integrator = own; }
      56             : 
      57      161730 :   void CheckIntegrator()
      58             :   {
      59      161730 :     if (!_integrator)
      60           0 :       mooseError("Integrator not set");
      61      161730 :   }
      62             : 
      63             :   virtual void SetIntRule(const mfem::IntegrationRule * ir);
      64             : 
      65             :   virtual void AssembleElementMatrix(const mfem::FiniteElement & el,
      66             :                                      mfem::ElementTransformation & Trans,
      67             :                                      mfem::DenseMatrix & elmat);
      68             :   virtual void AssembleElementMatrix2(const mfem::FiniteElement & trial_fe,
      69             :                                       const mfem::FiniteElement & test_fe,
      70             :                                       mfem::ElementTransformation & Trans,
      71             :                                       mfem::DenseMatrix & elmat);
      72             : 
      73             :   using mfem::BilinearFormIntegrator::AssembleFaceMatrix;
      74             :   virtual void AssembleFaceMatrix(const mfem::FiniteElement & el1,
      75             :                                   const mfem::FiniteElement & el2,
      76             :                                   mfem::FaceElementTransformations & Trans,
      77             :                                   mfem::DenseMatrix & elmat);
      78             : 
      79             :   using mfem::BilinearFormIntegrator::AssemblePA;
      80             :   virtual void AssemblePA(const mfem::FiniteElementSpace & fes);
      81             : 
      82             :   virtual void AssembleDiagonalPA(mfem::Vector & diag);
      83             : 
      84             :   virtual void AssemblePAInteriorFaces(const mfem::FiniteElementSpace & fes);
      85             : 
      86             :   virtual void AssemblePABoundaryFaces(const mfem::FiniteElementSpace & fes);
      87             : 
      88             :   virtual void AddMultTransposePA(const mfem::Vector & x, mfem::Vector & y) const;
      89             : 
      90             :   virtual void AddMultPA(const mfem::Vector & x, mfem::Vector & y) const;
      91             : 
      92             :   virtual void
      93             :   AssembleEA(const mfem::FiniteElementSpace & fes, mfem::Vector & emat, const bool add);
      94             : 
      95             :   virtual ~ScaleIntegrator();
      96             : };
      97             : } // namespace Moose::MFEM
      98             : 
      99             : #endif

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