function [x,adjusted]=check_bound(x,xleft,xright)
% check if number out of bound and then assign it to the mid of the region
if xleft > xright
    % sanity check for bounds
    tmp=xright;
    xright=xleft;
    xleft=tmp;
end
if x<xleft || x>xright
    x=(xleft+xright)/2;
    adjusted = true;
else
    adjusted = false;
end