variance of the input distribution
%   delta    (optional) finite difference parameter. Default: 1e-4
%
%
% *Output arguments:*
%
%   dd         relative error of analytical vs. finite difference gradient
%   dy         analytical gradient
%   dh         finite difference gradient
%
% Copyright (C) 2008-2013 by 
% Marc Deisenroth, Andrew McHutchon, Joe Hall, and Carl Edward Rasmussen.
%
% Last modified: 2013-05-30

function [dd dy dh] = conT(deriv, policy, m, s, delta)
%% Code

if nargin < 5; delta = 1e-4; 