Chaste  Release::2018.1
PCLDUFactorisation.hpp
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35 
36 #ifndef PCLDUFACTORISATION_HPP_
37 #define PCLDUFACTORISATION_HPP_
38 
39 #include <cassert>
40 #include <petscvec.h>
41 #include <petscmat.h>
42 #include <petscksp.h>
43 #include <petscpc.h>
44 #include "PetscTools.hpp"
45 
56 #if (PETSC_VERSION_MAJOR == 3 && PETSC_VERSION_MINOR >= 1) //PETSc 3.1 or later
57 PetscErrorCode PCLDUFactorisationApply(PC pc_object, Vec x, Vec y);
58 #else
59 PetscErrorCode PCLDUFactorisationApply(void* pc_context, Vec x, Vec y);
60 #endif
61 
108 {
109 public:
110 
114  typedef struct{
126  VecScatter A11_scatter_ctx;
127  VecScatter A22_scatter_ctx;
128 #ifdef TRACE_KSP
129  double mScatterTime;
130  double mA1PreconditionerTime;
131  double mA2PreconditionerTime;
132  double mExtraLAOperations;
133  double mGatherTime;
134 #endif
135 
137 
141 public:
142 
148  PCLDUFactorisation(KSP& rKspObject);
149 
151 
152 private:
153 
159  void PCLDUFactorisationCreate(KSP& rKspObject);
160 
165 };
166 
167 #endif /*PCLDUFACTORISATION_HPP_*/
PCLDUFactorisationContext mPCContext
PCLDUFactorisation(KSP &rKspObject)
void PCLDUFactorisationCreate(KSP &rKspObject)