143     PetscCall(VecShift(gn->y_work, gn->epsilon * gn->epsilon));  in GNObjectiveGradientEval()
147     *fcn += gn->lambda * (yESum - K * gn->epsilon);  in GNObjectiveGradientEval()
194     PetscCall(VecShift(gn->y_work, gn->epsilon * gn->epsilon));  in GNComputeHessian()
199     PetscCall(VecScale(gn->diag, gn->epsilon * gn->epsilon));  in GNComputeHessian()
358 …||x||_1 = sum(sqrt(x.^2+epsilon^2)-epsilon) (default 1e-6)", "", gn->epsilon, &gn->epsilon, NULL));  in TaoSetFromOptions_BRGN()
385       PetscCall(PetscViewerASCIIPrintf(viewer, "L1 smooth epsilon: %g\n", (double)gn->epsilon));  in TaoView_BRGN()
587 PetscErrorCode TaoBRGNSetL1SmoothEpsilon(Tao tao, PetscReal epsilon)  in TaoBRGNSetL1SmoothEpsilon()  argument
591   PetscValidLogicalCollectiveReal(tao, epsilon, 2);  in TaoBRGNSetL1SmoothEpsilon()
592   PetscTryMethod((PetscObject)tao, "TaoBRGNSetL1SmoothEpsilon_C", (Tao, PetscReal), (tao, epsilon));  in TaoBRGNSetL1SmoothEpsilon()
596 static PetscErrorCode TaoBRGNSetL1SmoothEpsilon_BRGN(Tao tao, PetscReal epsilon)  in TaoBRGNSetL1SmoothEpsilon_BRGN()  argument
601   gn->epsilon = epsilon;  in TaoBRGNSetL1SmoothEpsilon_BRGN()
763   gn->epsilon                = 1e-6;  in TaoCreate_BRGN()