[BUG] Value of cost function should not be equal to 0 when there are no
intersections.
[NEW] Add a random fonction and a Round fonction in math lib
[BUG] Initial Parameters was in radians, but optimizer need degrees !
[IMP] Initialization of srand (for random generator) is now in the main
[BUG] Fix bug, optimizer stopped when epsilon was negative
[CLEAN] SetCostFunction was called twice
Merge