message: Clean up style and debug prints.
diff: @@ -110,12 +110,10 @@ void SimpleSaddle::Schur(Vector& serr, Vector& lerr)
  {
  solver = new SchurConstrainedSolver(A, B, prec);
  }
  - printf("E\n");
  solver->SetConstraintRHS(dualrhs);
  solver->SetRelTol(1.e-14);
  solver->PrimalMult(rhs, sol);
  solver->GetMultiplierSolution(lambda);
  - printf("F");
  serr(0) = truex - sol(0);
  serr(1) = truey - sol(1);
  lerr(0) = truelambda - lambda(0);
  @@ -152,31 +150,24 @@ void SimpleSaddle::Penalty(double pen, Vector& serr, Vector& lerr)
  // very basic sanity check - most of the useful/interesting solvers require MPI
  TEST_CASE("SerialConstrainedSolver", "[ConstrainedSolver]")
  {
  - printf("AAA\n");
  Vector serr(2);
  Vector lerr(1);
  - printf("A\n");
  SimpleSaddle problem(4.0, -2.0, false);
  - printf("B\n");
  problem.Schur(serr, lerr);
  - printf("Q\n");
  REQUIRE(serr(0) == MFEM_Approx(0.0));
  REQUIRE(serr(1) == MFEM_Approx(0.0));
  REQUIRE(lerr(0) == MFEM_Approx(0.0));
  Vector dualrhs(1);
  dualrhs(0) = 1.0;
  - printf("R\n");
  problem.SetConstraintRHS(dualrhs);
  - printf("S");
  problem.Schur(serr, lerr);
  REQUIRE(serr(0) == MFEM_Approx(0.0));
  REQUIRE(serr(1) == MFEM_Approx(0.0));
  REQUIRE(lerr(0) == MFEM_Approx(0.0));
  - printf("T");
  }
  #ifdef MFEM_USE_MPI
  @@ -533,7 +524,6 @@ ParallelTestProblemTwo::ParallelTestProblemTwo()
  amat->CopyRowStarts();
  int blocalrows = rank == 3 ? 1 : 0;
  - // printf("[%d] blocalrows=%d\n", rank, blocalrows);
  Blocal = new SparseMatrix(blocalrows, 2);
  int row_starts_b[2];
  if (rank == 3)
  