fix mpi precon for reg grids with 1 pr

topology-tool-kit · Aug 18, 2023 · a27ca72 · a27ca72
1 parent e7817b2
commit a27ca72
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/base/regularGridTriangulation/RegularGridTriangulation.cpp b/core/base/regularGridTriangulation/RegularGridTriangulation.cpp
@@ -473,7 +473,7 @@ int ttk::RegularGridTriangulation::preconditionExchangeGhostVertices() {
  if(this->hasPreconditionedExchangeGhostVertices_) {
  return 0;
  }
- if(!ttk::hasInitializedMPI()) {
+ if((!ttk::hasInitializedMPI()) || (!ttk::isRunningWithMPI())) {
  return -1;
  }