Fix Tpetra vector compression state after add() into locally owned entry

QY-Shi · Aug 28, 2024 · 6f1b4d2 · 6f1b4d2
1 parent 6357de6
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diff --git a/doc/news/changes/minor/20240828Shi b/doc/news/changes/minor/20240828Shi
@@ -0,0 +1,5 @@
+Fix: Add the missing `compressed = false` in TpetraWrappers::Vector::add()
+function to ensure distributed Tpetra vector with writable nonlocal
+entries will always be non-compressed after any entry addition.
+<br>
+(Qingyuan Shi, 2024/08/28)
diff --git a/include/deal.II/lac/trilinos_tpetra_vector.h b/include/deal.II/lac/trilinos_tpetra_vector.h
@@ -1167,6 +1167,7 @@ namespace LinearAlgebra
               local_row != Teuchos::OrdinalTraits<int>::invalid())
             {
               vector_1d_local(local_row) += values[i];
+              compressed = false;
             }
           else
             {
-Original file line number
+Diff line change
@@ Expand Up / @@ -1167,6 +1167,7 @@ namespace LinearAlgebra @@
                   local_row != Teuchos::OrdinalTraits<int>::invalid())
                 {
                   vector_1d_local(local_row) += values[i];
+                  compressed = false;
                 }
               else
                 {
@@ Expand Down @@