265   Vec tmpcoarse; /* Temporary vector in the coarse space */  member
279   PetscCall(VecDestroy(&ctx->tmpcoarse));  in DestroyCoarseProjection()
296   PetscCall(MatMultTranspose(ctx->Ifine, ctx->tmpfine, ctx->tmpcoarse));  in CoarseProjection()
297   PetscCall(PetscObjectSetName((PetscObject)ctx->tmpcoarse, "Coarse DG RHS"));  in CoarseProjection()
298   PetscCall(PetscObjectSetOptionsPrefix((PetscObject)ctx->tmpcoarse, "coarse_dg_"));  in CoarseProjection()
299   PetscCall(VecViewFromOptions(ctx->tmpcoarse, NULL, "-rhs_view"));  in CoarseProjection()
300   PetscCall(VecPointwiseMult(ctx->tmpcoarse, ctx->Iscale, ctx->tmpcoarse));  in CoarseProjection()
301   PetscCall(VecViewFromOptions(ctx->tmpcoarse, NULL, "-rhs_view"));  in CoarseProjection()
302   PetscCall(KSPSolve(ctx->kspCoarse, ctx->tmpcoarse, y));  in CoarseProjection()
313   PetscCall(DMCreateGlobalVector(dmc, &ctx->tmpcoarse));  in CreateCoarseProjection()
315   PetscCall(VecGetLocalSize(ctx->tmpcoarse, &m));  in CreateCoarseProjection()
316   PetscCall(VecGetSize(ctx->tmpcoarse, &M));  in CreateCoarseProjection()