From e3f92ca6043c92ad2d438fd3a7b6b1d2a63f9a7d Mon Sep 17 00:00:00 2001
From: "hanouvit@vz" <vithanousek@seznam.cz>
Date: Thu, 22 Feb 2018 10:25:37 +0100
Subject: [PATCH] Repair compilation with GCC without MPI of Heatequation
 example

---
 src/TNL/Problems/HeatEquationProblem_impl.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/TNL/Problems/HeatEquationProblem_impl.h b/src/TNL/Problems/HeatEquationProblem_impl.h
index 282e8d4734..dfda78de82 100644
--- a/src/TNL/Problems/HeatEquationProblem_impl.h
+++ b/src/TNL/Problems/HeatEquationProblem_impl.h
@@ -148,7 +148,7 @@ setInitialCondition( const Config::ParameterContainer& parameters,
    if(CommunicatorType::isDistributed())
    {
         File file;
-        file.open( initialConditionFile+convertToString(MPI::COMM_WORLD.Get_rank()), IOMode::read );
+        file.open( initialConditionFile+convertToString(CommunicatorType::GetRank()), IOMode::read );
         Meshes::DistributedMeshes::DistributedGridIO<MeshFunctionType> ::load(file, *uPointer );
         file.close();
     }
@@ -218,8 +218,8 @@ makeSnapshot( const RealType& time,
     {
        File file;
        File meshFile;
-       meshFile.open( convertToString(MPI::COMM_WORLD.Get_rank())+String("mesh.tnl"),IOMode::write);
-       file.open( convertToString(MPI::COMM_WORLD.Get_rank())+fileName.getFileName(), IOMode::write );
+       meshFile.open( convertToString(CommunicatorType::GetRank())+String("mesh.tnl"),IOMode::write);
+       file.open( convertToString(CommunicatorType::GetRank())+fileName.getFileName(), IOMode::write );
        Meshes::DistributedMeshes::DistributedGridIO<MeshFunctionType> ::save(file,meshFile, *uPointer );
        meshFile.close();
        file.close();
-- 
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