TODO

/**
* @file   TODO
* @author Maciej Maliborski <maciej.maliborski@gmail.com>
* @date   Sat Mar  6 13:54:07 2010
* 
* @brief  
* 
* 
*/

[ ] all floating point constatns should have suffix '.L'. This improves
    the precision for long double variables, but there is no impact on
    the variable type double.
[ ] long double versions of math functions should be used if we use
    long double variables

[ ] ODE_step_control_scaled_new