50   Vec                j1a, j2a, x2;  in SNESComputeJacobianDefault()  local
78       PetscCall(DMGetGlobalVector(snes->dm, &x2));  in SNESComputeJacobianDefault()
84       x2  = snes->vwork[2];  in SNESComputeJacobianDefault()
109     PetscCall(VecCopy(x1, x2));  in SNESComputeJacobianDefault()
118       if (x2->ops->setvalues) PetscCall(VecSetValues(x2, 1, &i, &dx, ADD_VALUES));  in SNESComputeJacobianDefault()
120         PetscCall(VecGetArray(x2, &y));  in SNESComputeJacobianDefault()
122         PetscCall(VecRestoreArray(x2, &y));  in SNESComputeJacobianDefault()
127     PetscCall(VecAssemblyBegin(x2));  in SNESComputeJacobianDefault()
128     PetscCall(VecAssemblyEnd(x2));  in SNESComputeJacobianDefault()
130       PetscCall(SNESComputeMFFunction(snes, x2, j2a));  in SNESComputeJacobianDefault()
132 …PetscCall(SNESComputeFunction(snes, x2, j2a)); /* does not handle use of SNESSetFunctionDomainErro…  in SNESComputeJacobianDefault()
155     PetscCall(DMRestoreGlobalVector(snes->dm, &x2));  in SNESComputeJacobianDefault()