Make sure not to work with possibly uninitialized variables

diff --git a/tests/matrix_free/stokes_computation.cc b/tests/matrix_free/stokes_computation.cc
index baf0623f19a8cafe67b6e5de259d50103d4cf894..58a4c813df8c93c1d26f5c9f4359175386c3d250 100644 (file)
--- a/tests/matrix_free/stokes_computation.cc
+++ b/tests/matrix_free/stokes_computation.cc
@@ -256,7 +256,7 @@ namespace StokesClass
       // apply the top right block
       {
         LinearAlgebra::distributed::BlockVector<double> dst_tmp(dst);
-        dst_tmp.block(0) *= 0.0;
+        dst_tmp.block(0) = 0.0;
         stokes_matrix.vmult(utmp, dst_tmp); // B^T
         utmp.block(0) *= -1.0;
         utmp.block(0) += src.block(0);

diff --git a/tests/numerics/no_flux_18.cc b/tests/numerics/no_flux_18.cc
index 5bd134fdcfbbd0da9498664d071d331fb59db337..7d42a17830372288bb5f385e3ddb7eaf656973e5 100644 (file)
--- a/tests/numerics/no_flux_18.cc
+++ b/tests/numerics/no_flux_18.cc
@@ -257,7 +257,7 @@ namespace StokesClass
       // apply the top right block
       {
         LinearAlgebra::distributed::BlockVector<double> dst_tmp(dst);
-        dst_tmp.block(0) *= 0.0;
+        dst_tmp.block(0) = 0.0;
         stokes_matrix.vmult(utmp, dst_tmp); // B^T
         utmp.block(0) *= -1.0;
         utmp.block(0) += src.block(0);