475   Tao       tao1, tao2;  in TaoSolveADMM()  local
498   PetscCall(TaoCreate(PETSC_COMM_WORLD, &tao2));  in TaoSolveADMM()
500     PetscCall(TaoSetType(tao2, TAONLS));  in TaoSolveADMM()
501     PetscCall(TaoSetObjective(tao2, ObjectiveRegularizationADMM, (void *)ctx));  in TaoSolveADMM()
502     PetscCall(TaoSetGradient(tao2, NULL, GradientRegularizationADMM, (void *)ctx));  in TaoSolveADMM()
503     PetscCall(TaoSetHessian(tao2, ctx->Hr, ctx->Hr, HessianRegularizationADMM, (void *)ctx));  in TaoSolveADMM()
506   PetscCall(TaoSetSolution(tao2, z));  in TaoSolveADMM()
507   PetscCall(TaoSetOptionsPrefix(tao2, "reg_"));  in TaoSolveADMM()
508   PetscCall(TaoSetFromOptions(tao2));  in TaoSolveADMM()
517       PetscCall(TaoSolve(tao2)); /* Update zk */  in TaoSolveADMM()
540   PetscCall(TaoDestroy(&tao2));  in TaoSolveADMM()