halfpi=pi/2;
rt2=sqrt(2);
if halfpi > rt2
    disp('pi/2 is greater than sqrt(2)')
elseif halfpi < rt2
    disp('pi/2 is less than sqrt(2)')
elseif halfpi == rt2
    disp('pi/2 is equal to sqrt(2)')
else
    disp('Matlab has gone crazy')
end
disp('Good that that is settled')
