public static int FloatMinToMaxCompare(Emotivector.Expectancy x, Emotivector.Expectancy y)
{
var diff = x.salience - y.salience;
if (Math.Abs(diff) < 0.0005f)
{
// shortcut, handles infinities
return(0);
}
return(diff < 0 ? -1 : 1);
}
public void ComputeUserEmotion(History history, User user)
{
List <Emotivector> emotivectors = new List <Emotivector>();
// Read history and update Emotivectors
// Add values to the emotivectors using emotivector.AddValue
foreach (var updater in _updaters)
{
var emotivector = updater.Update(history, user);
if (emotivector != null)
{
emotivectors.Add(emotivector);
}
}
// Compute Expectancy for all the emotivectors
List <Expectancy> expectancies = new List <Expectancy>();
foreach (Emotivector emotivector in emotivectors)
{
expectancies.Add(emotivector.ComputeExpectancy());
}
expectancies.Sort(MathUtils.FloatMaxToMinCompare);
// Compute emotion using expectancy
// Compute emotion for user
// Save expectancy for tutors
_strongestExpectancy = null;
if (expectancies.Count > 0)
{
_strongestExpectancy = expectancies[0];
history.Set("Expectancy", _strongestExpectancy);
}
// Predict new values
foreach (Emotivector emotivector in emotivectors)
{
emotivector.Predict();
}
}
public static int FloatMaxToMinCompare(Emotivector.Expectancy x, Emotivector.Expectancy y)
{
return(FloatMinToMaxCompare(x, y) * -1);
}
