/// <summary>
/// Calculates the distance between two behaviors.
/// </summary>
/// <param name="behavior1">The first behavior in the distance calculation.</param>
/// <param name="behavior2">The second behavior in the distance calculation.</param>
/// <returns>A measure of the behavioral distance.</returns>
public static double CalculateDistance(BehaviorInfo behavior1, BehaviorInfo behavior2)
{
if (behavior1.Behaviors.Length != behavior2.Behaviors.Length)
{
throw new SharpNeatException(
"Cannot compare behavior characterizations because behavior length differs.");
}
// Calculate the difference between the behavior double-precision arrays
return(CalculateDistance(behavior1.Behaviors, behavior2.Behaviors));
}
/// <summary>
/// Evalutes whether the given (preumably euclidean) behavior characterization satisfies the minimal criteria.
/// </summary>
/// <param name="behaviorInfo">The behavior info in euclidean space.</param>
/// <returns>Boolean value indicating whether the given behavior characterization satisfies the minimal criteria.</returns>
public bool DoesCharacterizationSatisfyMinimalCriteria(BehaviorInfo behaviorInfo)
{
// If the behavior dimensionality doesn't match, we can't compare it
if (behaviorInfo.Behaviors.Length != EuclideanDimensions)
{
throw new SharpNeatException(
"Cannot evaluate minimal criteria constraints because the behavior characterization is not of the correct dimensionality.");
}
// Extract x and y components of location
var xLocation = behaviorInfo.Behaviors[0];
var yLocation = behaviorInfo.Behaviors[1];
// Return false if the location falls outside of the bounds of the min/max x and y locations
return !(xLocation < _xMin) && !(xLocation > _xMax) && !(yLocation < _yMin) && !(yLocation > _yMax);
}
/// <summary>
/// Evaluates whether the given behavior info meets the minimal criteria for this behavior characterization.
/// </summary>
/// <param name="behaviorInfo">The behavior info to evaluate.</param>
/// <returns>
/// Boolean value indicating whether the given behavior info meets the minimal criteria for this behavior
/// characterization.
/// </returns>
public bool IsMinimalCriteriaSatisfied(BehaviorInfo behaviorInfo)
{
throw new NotImplementedException();
}
/// <summary>
/// Evaluates whether the given behavior info meets the minimal criteria for this behavior characterization.
/// </summary>
/// <param name="behaviorInfo">The behavior info to evaluate.</param>
/// <returns>
/// Boolean value indicating whether the given behavior info meets the minimal criteria for this behavior
/// characterization.
/// </returns>
public bool IsMinimalCriteriaSatisfied(BehaviorInfo behaviorInfo)
{
// If there is no minimal criteria, then by definition it has been met
return _minimalCriteria?.DoesCharacterizationSatisfyMinimalCriteria(behaviorInfo) ??
true;
}
/// <summary>
/// Evaluates whether the given behavior info meets the minimal criteria for this behavior characterization. However,
/// given that this is the null behavior characterization, it will always meet the minimal criteria (given that there
/// probably isn't one).
/// </summary>
/// <param name="behaviorInfo">The behavior info to evaluate.</param>
/// <returns>
/// Boolean value indicating whether the given behavior info meets the minimal criteria for this behavior
/// characterization. This will always be true given that this is the null behavior characterization.
/// </returns>
public bool IsMinimalCriteriaSatisfied(BehaviorInfo behaviorInfo)
{
return true;
}