50   Vec                j1a, j2a, x2;  in SNESComputeJacobianDefault()  local
77       PetscCall(DMGetGlobalVector(snes->dm, &j2a));  in SNESComputeJacobianDefault()
83       j2a = snes->vwork[1];  in SNESComputeJacobianDefault()
130       PetscCall(SNESComputeMFFunction(snes, x2, j2a));  in SNESComputeJacobianDefault()
132 …PetscCall(SNESComputeFunction(snes, x2, j2a)); /* does not handle use of SNESSetFunctionDomainErro…  in SNESComputeJacobianDefault()
134     PetscCall(VecAXPY(j2a, -1.0, j1a));  in SNESComputeJacobianDefault()
143     PetscCall(VecScale(j2a, wscale));  in SNESComputeJacobianDefault()
144     PetscCall(VecNorm(j2a, NORM_INFINITY, &amax));  in SNESComputeJacobianDefault()
146     PetscCall(VecGetArray(j2a, &y));  in SNESComputeJacobianDefault()
150     PetscCall(VecRestoreArray(j2a, &y));  in SNESComputeJacobianDefault()
154     PetscCall(DMRestoreGlobalVector(snes->dm, &j2a));  in SNESComputeJacobianDefault()