3054       PetscViewer vdraw, vstdout;  in SNESComputeJacobian()  local
3073 …omm((PetscObject)snes), NULL, "Explicit Jacobians", PETSC_DECIDE, PETSC_DECIDE, 300, 300, &vdraw));  in SNESComputeJacobian()
3074         if (flag_contour) PetscCall(PetscViewerPushFormat(vdraw, PETSC_VIEWER_DRAW_CONTOUR));  in SNESComputeJacobian()
3075       } else vdraw = NULL;  in SNESComputeJacobian()
3078       if (vdraw) PetscCall(MatView(Bexp, vdraw));  in SNESComputeJacobian()
3081       if (vdraw) PetscCall(MatView(FDexp, vdraw));  in SNESComputeJacobian()
3085       if (vdraw) { /* Always use contour for the difference */  in SNESComputeJacobian()
3086         PetscCall(PetscViewerPushFormat(vdraw, PETSC_VIEWER_DRAW_CONTOUR));  in SNESComputeJacobian()
3087         PetscCall(MatView(FDexp, vdraw));  in SNESComputeJacobian()
3088         PetscCall(PetscViewerPopFormat(vdraw));  in SNESComputeJacobian()
3090       if (flag_contour) PetscCall(PetscViewerPopFormat(vdraw));  in SNESComputeJacobian()
3091       PetscCall(PetscViewerDestroy(&vdraw));  in SNESComputeJacobian()
3110       PetscViewer     vdraw, vstdout;  in SNESComputeJacobian()  local
3140 …Comm((PetscObject)snes), NULL, "Colored Jacobians", PETSC_DECIDE, PETSC_DECIDE, 300, 300, &vdraw));  in SNESComputeJacobian()
3141         if (flag_contour) PetscCall(PetscViewerPushFormat(vdraw, PETSC_VIEWER_DRAW_CONTOUR));  in SNESComputeJacobian()
3142       } else vdraw = NULL;  in SNESComputeJacobian()
3145       if (vdraw) PetscCall(MatView(B, vdraw));  in SNESComputeJacobian()
3148       if (vdraw) PetscCall(MatView(Bfd, vdraw));  in SNESComputeJacobian()
3155       if (vdraw) { /* Always use contour for the difference */  in SNESComputeJacobian()
3156         PetscCall(PetscViewerPushFormat(vdraw, PETSC_VIEWER_DRAW_CONTOUR));  in SNESComputeJacobian()
3157         PetscCall(MatView(Bfd, vdraw));  in SNESComputeJacobian()
3158         PetscCall(PetscViewerPopFormat(vdraw));  in SNESComputeJacobian()
3160       if (flag_contour) PetscCall(PetscViewerPopFormat(vdraw));  in SNESComputeJacobian()
3202       PetscCall(PetscViewerDestroy(&vdraw));  in SNESComputeJacobian()