60     if (!shell->left_work) PetscCall(MatCreateVecs(A, NULL, &shell->left_work));  in MatShellPreZeroLeft()
61     PetscCall(VecCopy(x, shell->left_work));  in MatShellPreZeroLeft()
63 …PetscCall(VecScatterBegin(shell->zvals_sct_r, shell->zvals_w, shell->left_work, INSERT_VALUES, SCA…  in MatShellPreZeroLeft()
64 …PetscCall(VecScatterEnd(shell->zvals_sct_r, shell->zvals_w, shell->left_work, INSERT_VALUES, SCATT…  in MatShellPreZeroLeft()
68     *xx = shell->left_work;  in MatShellPreZeroLeft()
99     if (!shell->left_work) PetscCall(VecDuplicate(shell->left, &shell->left_work));  in MatShellPreScaleLeft()
107       PetscCall(VecGetArrayWrite(shell->left_work, &w));  in MatShellPreScaleLeft()
111       PetscCall(VecRestoreArrayWrite(shell->left_work, &w));  in MatShellPreScaleLeft()
112     } else PetscCall(VecPointwiseMult(shell->left_work, x, shell->left));  in MatShellPreScaleLeft()
113     *xx = shell->left_work;  in MatShellPreScaleLeft()
446   PetscCall(VecDestroy(&shell->left_work));  in MatDestroy_Shell()
592           if (!shell->left_work) PetscCall(MatCreateVecs(A, NULL, &shell->left_work));  in MatProductNumeric_Shell_X()
594             PetscCall(VecCopy(shell->dshift, shell->left_work));  in MatProductNumeric_Shell_X()
595             PetscCall(VecShift(shell->left_work, shell->vshift));  in MatProductNumeric_Shell_X()
596             PetscCall(VecPointwiseMult(shell->left_work, shell->left_work, shell->left));  in MatProductNumeric_Shell_X()
598             PetscCall(VecSet(shell->left_work, shell->vshift));  in MatProductNumeric_Shell_X()
605             PetscCall(MatDiagonalScale(mdata->Bt, shell->left_work, NULL));  in MatProductNumeric_Shell_X()
610             PetscCall(MatDiagonalScale(mdata->B, shell->left_work, NULL));  in MatProductNumeric_Shell_X()
1310       if (!shell->left_work) PetscCall(MatCreateVecs(Y, NULL, &shell->left_work));  in MatDiagonalScale_Shell()