Merge Pull Request trilinos#6308 from cgcgcg/Trilinos/fixSuggestedVec…

…Size Automatically Merged using Trilinos Pull Request AutoTester PR Title: Fix suggested vector size when nr == 0 PR Author: cgcgcg
tcad-charon · Nov 20, 2019 · dbde32c · dbde32c
2 parents 2ab6ccc + e87f991
commit dbde32c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/kokkos-kernels/src/common/KokkosKernels_ExecSpaceUtils.hpp b/packages/kokkos-kernels/src/common/KokkosKernels_ExecSpaceUtils.hpp
@@ -103,7 +103,8 @@ inline int kk_get_suggested_vector_size(
     break;
   case Exec_CUDA:
 
-    suggested_vector_size_ = nnz / double (nr) + 0.5;
+    if (nr > 0)
+      suggested_vector_size_ = nnz / double (nr) + 0.5;
     if (suggested_vector_size_ < 3){
       suggested_vector_size_ = 2;
     }