//! Updates the current infoemation (configuration).
/*!
* \param solution Solution (configuration)
*/
public void updateConfiguration(Solution new_solution)
{
T_Changes changes = Solution.getChanges(configuration, new_solution);
if (changes.Dimension > 0)
{
current_cost += relative_cost(new_solution, changes, true);
configuration = new_solution.GetConfByCopy;
}
}
//! Computes the cost of a solution relative to the current.
/*!
* \param solution Solution (configuration)
* \param change Performed changes w.r.t. the current configuration
* \param updating Whether the internal information has to be updated
* \return The relative cost
*/
public int relative_cost(Solution new_solution, T_Changes change, bool updating)
{
int cost = 0;
int pos, new_value, w, g, j;
int start_position_group_for_change, end_group_for_change;
int current_player_at_pos, partner_current_group, partner_new_group;
for (int i = 0; i < change.Dimension; i++)
{
pos = change.Positions[i];
new_value = change.NewValues[i];
w = pos / TP;
g = (pos % TP) / players;
start_position_group_for_change = w * TP + g * players;
end_group_for_change = w * TP + (g + 1) * players;
for (j = start_position_group_for_change; j < end_group_for_change; j++)
{
if (j != pos)
{
current_player_at_pos = configuration[pos];
partner_current_group = configuration[j];
partner_new_group = new_solution[j];
if (updating)
{
cc_occurrences.remove_connection(current_player_at_pos, partner_current_group);
cost += (cc_occurrences.are_connected(current_player_at_pos, partner_current_group)) ? -2 : 0;
}
else
{
cost += (cc_occurrences.would_be_disconnected(current_player_at_pos, partner_current_group)) ? -2 : 0;
}
//cost += cc_occurrences.remove_connection(current_player_at_pos, partner_current_group, updating);
//cost += cc_occurrences.add_connection(new_value, partner_new_group, updating);
if (updating)
{
cc_occurrences.add_connection(new_value, partner_new_group);
}
cost += 2;
}
}
}
return(cost);
}
//! Computes the cost of a solution relative to the current.
/*!
* \param solution Solution (configuration)
* \param change Performed changes w.r.t. the current configuration
* \return The relative cost
*/
public int relativeSolutionCost(Solution new_solution, T_Changes _changes)
{
return(current_cost + relative_cost(new_solution, _changes, false));
}
//! Computes the cost of a solution relative to the current.
/*!
* \param solution Solution (configuration)
* \return The relative cost
*/
public int relativeSolutionCost(Solution new_solution)
{
T_Changes changes = Solution.getChanges(configuration, new_solution);
return(relativeSolutionCost(new_solution, changes));
}
//! Computes the cost of a configuration relative to the current configuration.
/*!
* \param new_solution A configuration (solution).
* \param _change The performed changes w.r.t the current configuration
* \return Cost of the given configuration.
*/
public int relativeSolutionCost(Solution new_solution, T_Changes changes)
{
return(relative_cost_strategy.relativeSolutionCost(new_solution, changes));
}
