20   Mat       A, ATA, H, Hx, D, Hz, DTD, HF;  member
238   PetscCall(MatCreate(PETSC_COMM_WORLD, &user->Hz));  in InitializeUserData()
239   PetscCall(MatSetSizes(user->Hz, PETSC_DECIDE, PETSC_DECIDE, user->N, user->N));  in InitializeUserData()
240   PetscCall(MatSetFromOptions(user->Hz));  in InitializeUserData()
241   PetscCall(MatSetUp(user->Hz));  in InitializeUserData()
242   PetscCall(MatAssemblyBegin(user->Hz, MAT_FINAL_ASSEMBLY));  in InitializeUserData()
243   PetscCall(MatAssemblyEnd(user->Hz, MAT_FINAL_ASSEMBLY));  in InitializeUserData()
299   PetscCall(MatDestroy(&user->Hz));  in DestroyContext()
349 … PetscCall(TaoADMMSetRegularizerHessianRoutine(tao, user->Hz, user->Hz, HessianReg, (void *)user));  in main()
353     PetscCall(MatShift(user->Hz, 1));  in main()
354     PetscCall(MatScale(user->Hz, user->lambda));  in main()
355 …PetscCall(TaoADMMSetRegularizerHessianRoutine(tao, user->Hz, user->Hz, HessianMisfit, (void *)user…  in main()