206     PetscCall(MatDestroy(&def->Wt));  in PCDeflationSetSpace_Deflation()
207     def->Wt = W;  in PCDeflationSetSpace_Deflation()
405   if (def->Wt) {  in PCPreSolve_Deflation()
406     PetscCall(MatMult(def->Wt, r, w1)); /*    w1 <- W'*r                */  in PCPreSolve_Deflation()
439       if (def->Wt) {  in PCApply_Deflation()
440         PetscCall(MatMult(def->Wt, r, w2)); /*    w2 <- W'*r                */  in PCApply_Deflation()
475   if (def->W || def->Wt) {  in PCSetUp_Deflation()
489     PetscCall(MatCreateHermitianTranspose(def->Wt, &def->W));  in PCSetUp_Deflation()
490     PetscCall(PetscObjectTypeCompare((PetscObject)def->Wt, MATCOMPOSITE, &match));  in PCSetUp_Deflation()
492       PetscCall(MatCompositeGetType(def->Wt, &ctype));  in PCSetUp_Deflation()
493       PetscCall(MatCompositeGetNumberMat(def->Wt, &size));  in PCSetUp_Deflation()
522         for (i = 0; i < size; i++) PetscCall(MatCompositeGetMat(def->Wt, i, &mats[i]));  in PCSetUp_Deflation()
524         PetscCall(MatDestroy(&def->Wt));  in PCSetUp_Deflation()
525         def->Wt = mats[0];  in PCSetUp_Deflation()
537         PetscCall(MatCompositeMerge(def->Wt));  in PCSetUp_Deflation()
544     PetscCall(MatHermitianTranspose(def->Wt, MAT_INITIAL_MATRIX, &def->W));  in PCSetUp_Deflation()
549     if (def->Wt) {  in PCSetUp_Deflation()
550       PetscCall(MatMatMult(def->Wt, Amat, MAT_INITIAL_MATRIX, PETSC_CURRENT, &def->WtA));  in PCSetUp_Deflation()
553       PetscCall(MatHermitianTranspose(def->W, MAT_INITIAL_MATRIX, &def->Wt));  in PCSetUp_Deflation()
554       PetscCall(MatMatMult(def->Wt, Amat, MAT_INITIAL_MATRIX, PETSC_CURRENT, &def->WtA));  in PCSetUp_Deflation()
685   PetscCall(MatDestroy(&def->Wt));  in PCReset_Deflation()
855   def->Wt            = NULL;  in PCCreate_Deflation()