Fix a bug in AmrMesh::ChopGrids (#3460)

Fix a corner case for AmrMesh::ChopGrids when there is only one cell in one dimension. Close #3459
AMReX-Codes · Jul 31, 2023 · cf8d9f8 · cf8d9f8
1 parent 98d22d2
commit cf8d9f8
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Src/AmrCore/AMReX_AmrMesh.cpp b/Src/AmrCore/AMReX_AmrMesh.cpp
@@ -457,7 +457,9 @@ AmrMesh::ChopGrids (int lev, BoxArray& ba, int target_size) const
  int idim = chunk_dir[idx].second;
  if (refine_grid_layout_dims[idim]) {
  int new_chunk_size = chunk[idim] / 2;
- if (new_chunk_size%blocking_factor[lev][idim] == 0) {
+ if (new_chunk_size != 0 &&
+ new_chunk_size%blocking_factor[lev][idim] == 0)
+ {
  chunk[idim] = new_chunk_size;
  ba.maxSize(chunk);
  break;