184   PetscScalar vshift = conjugate ? PetscConj(shell->vshift) : shell->vshift;  in MatShellShiftAndScale()  local
205   if (vshift != 0.0) PetscCall(VecAXPY(Y, vshift, X)); /* if test is for non-square matrices */  in MatShellShiftAndScale()
591         if (shell->dshift || shell->vshift != 0.0) {  in MatProductNumeric_Shell_X()
595             PetscCall(VecShift(shell->left_work, shell->vshift));  in MatProductNumeric_Shell_X()
598             PetscCall(VecSet(shell->left_work, shell->vshift));  in MatProductNumeric_Shell_X()
619         if (shell->dshift || shell->vshift != 0.0) {  in MatProductNumeric_Shell_X()
625             PetscCall(VecShift(shell->right_work, shell->vshift));  in MatProductNumeric_Shell_X()
628             PetscCall(VecSet(shell->right_work, shell->vshift));  in MatProductNumeric_Shell_X()
637 …PetscCheck(!shell->dshift && shell->vshift == 0.0, PetscObjectComm((PetscObject)D), PETSC_ERR_SUP,…  in MatProductNumeric_Shell_X()
923   shellB->vshift = shellA->vshift;  in MatCopy_Shell()
1151   PetscCall(VecShift(v, shell->vshift));  in MatGetDiagonal_Shell()
1184   PetscCall(MatShift(*b, shell->vshift));  in MatGetDiagonalBlock_Shell()
1224   } else shell->vshift += a;  in MatShift_Shell()
1281   shell->vshift *= a;  in MatScale_Shell()
1327     shell->vshift      = 0.0;  in MatAssemblyEnd_Shell()
1580 static PetscErrorCode MatShellGetScalingShifts_Shell(Mat A, PetscScalar *vshift, PetscScalar *vscal…  in MatShellGetScalingShifts_Shell()  argument
1586 …if (vshift == MAT_SHELL_NOT_ALLOWED) PetscCheck(shell->vshift == 0.0, PetscObjectComm((PetscObject…  in MatShellGetScalingShifts_Shell()
1587   else if (vshift) *vshift = shell->vshift;  in MatShellGetScalingShifts_Shell()
1760   b->vshift              = 0.0;  in MatCreate_Shell()
2011 PetscErrorCode MatShellGetScalingShifts(Mat A, PetscScalar *vshift, PetscScalar *vscale, Vec *dshif…  in MatShellGetScalingShifts()  argument
2015 …tscScalar *, PetscScalar *, Vec *, Vec *, Vec *, Mat *, IS *, IS *), (A, vshift, vscale, dshift, l…  in MatShellGetScalingShifts()