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Don't allow MPI-parallel GUI

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This commit is contained in:
Matthias Hochsteger 2019-02-12 15:01:34 +01:00
parent b13a69a39d
commit c274126487
3 changed files with 9 additions and 5 deletions
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2
libsrc/meshing/meshclass.hpp
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@ -33,7 +33,7 @@ namespace netgen
T_POINTS points; T_POINTS points;
// The communicator for this mesh. Just a dummy if compiled without MPI. // The communicator for this mesh. Just a dummy if compiled without MPI.
NgMPI_Comm comm = MPI_COMM_NULL; NgMPI_Comm comm;
/// line-segments at edges /// line-segments at edges
Array<Segment, 0, size_t> segments; Array<Segment, 0, size_t> segments;

6
libsrc/visualization/visual.hpp
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@ -13,9 +13,9 @@ Visualization
*/ */
#ifdef PARALLEL // #ifdef PARALLEL
#define PARALLELGL // #define PARALLELGL
#endif // #endif
#include "../include/incopengl.hpp" #include "../include/incopengl.hpp"

6
ng/ngappinit.cpp
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@ -73,8 +73,12 @@ int main(int argc, char ** argv)
MPI_Comm_size(MPI_COMM_WORLD, &netgen::ntasks); MPI_Comm_size(MPI_COMM_WORLD, &netgen::ntasks);
MPI_Comm_rank(MPI_COMM_WORLD, &netgen::id); MPI_Comm_rank(MPI_COMM_WORLD, &netgen::id);
if(netgen::ntasks!=1)
throw ngcore::Exception("Netgen GUI cannot run MPI-parallel");
// MPI_COMM_WORLD is just a local communicator
netgen::ng_comm = ngcore::NgMPI_Comm{MPI_COMM_WORLD, false};
MPI_Comm_dup ( MPI_COMM_WORLD, &netgen::mesh_comm);
#endif #endif
if ( netgen::id == 0 ) if ( netgen::id == 0 )