Augmented FETI-DP compiles and runs, but results are bad.

AMDiS/src/parallel/PetscSolverFetiOperators.cc

@@ -71,7 +71,7 @@ namespace AMDiS {
     //      = -Q^T J (inv(K_BB) K_BPi x_Pi + inv(K_BB) J^T Q x_mu)
     VecAXPY(data->tmp_vec_b0, 1.0, data->tmp_vec_b1);
     MatMult(*(data->mat_lagrange), data->tmp_vec_b0, data->tmp_vec_lagrange);
-    MatMult(*(data->mat_augmented_lagrange), data->tmp_vec_lagrange, y_mu);
+    MatMultTranspose(*(data->mat_augmented_lagrange), data->tmp_vec_lagrange, y_mu);
     VecScale(y_mu, -1.0);
 
     return 0;