Divide default communicator from DD communicators

[alexxy/gromacs.git] / src / gromacs / mdlib / tests / constrtestrunners.cpp

diff --git a/src/gromacs/mdlib/tests/constrtestrunners.cpp b/src/gromacs/mdlib/tests/constrtestrunners.cpp
index 1700e6e90b4495a14a9a6bebeefd02221392c896..7959cdd9287c4281e25213fba863eb4f3254c310 100644 (file)
--- a/src/gromacs/mdlib/tests/constrtestrunners.cpp
+++ b/src/gromacs/mdlib/tests/constrtestrunners.cpp
@@ -118,7 +118,7 @@ void applyLincs(ConstraintsTestData* testData, t_pbc pbc)
     cr.dd     = nullptr;
 
     // Multi-sim record
-    gmx_multisim_t ms;
+    gmx_multisim_t ms{ 1, 0, MPI_COMM_NULL, MPI_COMM_NULL };
 
     // Make blocka structure for faster LINCS setup
     std::vector<ListOfLists<int>> at2con_mt;