Can't use implicit solver from OdeInt properly in Xcode 7.3.1
<p>I have to solve some stiff ordinary differential equations, so I informed myself about the implicit methods that Odeint provides. However, when I copy and complie in Xcode the example in the documentation of Odeint,
<a href="http://headmyshoulder.github.io/odeint-v2/doc/boost_numeric_odeint/tutorial/stiff_systems.html" rel="nofollow">http://headmyshoulder.github.io/odeint-v2/doc/boost_numeric_odeint/tutorial/stiff_systems.html</a> 
(for the full example see the link "stiff_system.cpp" at the bottom of the page),
the implicit rosenbrock4 method needs some 40030 steps for the integration instead of 71 as is claimed in the documentation. In contrast, for the runge_kutta_dopri5 method that is also applied in the example for comparison I get exactly the 1531 steps as in the documentation. Correspondingly, the implicit method of course needs much longer for the calculation than the runga_kutta method, although the example should examplify the advantage of implicit methods over explicit ones for this special case of a stiff problem. 
Now, if I compile the code on another machine using g++ compiler I get almost exactly the result, namely 74 steps for the implicit method, which is very close to the 71 suggested by the documentation but still not exact.</p>

<p>Can anybody explain why the implicit method does not work properly with Xcode 7.3.1 and what one could possibly do to use it on Xcode in the designated way? </p>