public void DoBan(int index, int pattern)
{
var frequencySet = weightSetCollection.Get(index);
if (entropyValues[index].Decrement(frequencySet.priorityIndices[pattern], frequencySet.frequencies[pattern], frequencySet.plogp[pattern]))
{
PriorityReset(index);
}
}
public int GetRandomPossiblePatternAt(int index, Func <double> randomDouble)
{
var fs = weightSetCollection.Get(index);
// Run through the groups with descending prioirty
for (var g = 0; g < fs.groups.Length; g++)
{
var patterns = fs.groups[g].patterns;
var frequencies = fs.groups[g].frequencies;
// Scan the group
var s = 0.0;
for (var i = 0; i < patterns.Length; i++)
{
if (wave.Get(index, patterns[i]))
{
s += frequencies[i];
}
}
if (s <= 0.0)
{
continue;
}
// There's at least one choice at this priority level,
// pick one at random.
var r = randomDouble() * s;
for (var i = 0; i < patterns.Length; i++)
{
if (wave.Get(index, patterns[i]))
{
r -= frequencies[i];
}
if (r <= 0)
{
return(patterns[i]);
}
}
return(patterns[patterns.Length - 1]);
}
return(-1);
}
