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guix/gnu/packages/patches/dune-istl-fix-solver-playgr...

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From fe929f17e98b577171f58ca520b5145be41730ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20Gr=C3=BCninger?= <gruenich@dune-project.org>
Date: Thu, 16 Mar 2023 19:48:40 +0100
Subject: [PATCH] Adjust sequential and both parallel cases in
istl-solver-playground
Do same thing, independent of paralellel, distributed, or
sequential.
This fixes the test in the sequential case.
---
src/istl-solver-playground.hh | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/src/istl-solver-playground.hh b/src/istl-solver-playground.hh
index 0ff3abd5..11693cf5 100644
--- a/src/istl-solver-playground.hh
+++ b/src/istl-solver-playground.hh
@@ -66,7 +66,11 @@ std::shared_ptr<OOCOMM> loadSystem(std::shared_ptr<Mat>& m,
std::shared_ptr<OOCOMM> oocomm;
if(distributed){
oocomm = std::make_shared<OOCOMM>(MPI_COMM_WORLD);
- loadMatrixMarket(*m, matrixfilename, *oocomm);
+ if(matrixfilename != "laplacian"){
+ loadMatrixMarket(*m, matrixfilename, *oocomm);
+ }else{
+ setupLaplacian(*m, config.get("N", 20));
+ }
if(config.get("random_rhs", false)){
rhs->resize(m->N());
srand(42);
@@ -98,16 +102,22 @@ template<class Mat, class Vec>
void loadSystem(std::shared_ptr<Mat>& m,
std::shared_ptr<Vec>& rhs,
const Dune::ParameterTree& config){
- std::string matrixfilename = config.get<std::string>("matrix");
+ // generate Laplacian or load matrix
+ std::string matrixfilename = config.get<std::string>("matrix", "laplacian");
+ if(matrixfilename == "laplacian"){
+ setupLaplacian(*m, config.get("N", 20));
+ }else{
+ loadMatrixMarket(*m, matrixfilename);
+ }
+ // use random values or load right-hand side
std::string rhsfilename;
- if(!config.get("random_rhs", false))
- rhsfilename = config.get<std::string>("rhs");
- loadMatrixMarket(*m, matrixfilename);
if(config.get("random_rhs", false)){
rhs->resize(m->N());
fillRandom(*rhs);
- }else
+ }else{
+ rhsfilename = config.get<std::string>("rhs");
loadMatrixMarket(*rhs, rhsfilename);
+ }
}
#endif
--
2.39.2