Add PETSc BlockVector insts

diff --git a/source/lac/affine_constraints.cc b/source/lac/affine_constraints.cc
index 56a5fa2954f2840d5f8116e30f9abbf844299787..094b73e2c55863f3054a68d2d94ba1e373f24b48 100644 (file)
--- a/source/lac/affine_constraints.cc
+++ b/source/lac/affine_constraints.cc
@@ -91,6 +91,7 @@ DEAL_II_NAMESPACE_OPEN
 
 #ifdef DEAL_II_WITH_PETSC
 INSTANTIATE_DLTG_VECTOR(PETScWrappers::MPI::Vector);
+INSTANTIATE_DLTG_VECTOR(PETScWrappers::MPI::BlockVector);
 
 INSTANTIATE_DLTG_VECTORMATRIX(PETScWrappers::SparseMatrix, Vector<PetscScalar>);
 INSTANTIATE_DLTG_VECTORMATRIX(PETScWrappers::SparseMatrix,