public GoalFloatFastMinimize(Goal goal, FloatExp cost, double costStep)
{
super(cost.constrainer(),"");
_goal_find_solution = goal;
_cost = cost;
_constraint_limit_cost = new ConstraintFloatExpLessValue(_cost, _cost.max());
_number_of_solutions = 0;
_trace = false;
_client_tracer = null;
_goal_saves_solution = false;