/// <summary>Reports the shrinked (without zero Frequency) Similars of the specified pattern.</summary>
/// <param name="seedNumber">The number of the seed-word.</param>
/// <returns>If Similars have zero-frequency items, the shrinked (without zero Frequency) Similars; otherwise initial Similars.</returns>
public Similars GetSimilars(int seedNumber)
{
Similars smls = Similars.GetSimilars(seedNumber);
bool isNotCopied = true;
// We have to remove from the total Similars all the numbers with zero Frequency
int j;
bool isFound = true;
for (int i = 0; i < smls.Count; i++)
{
// scan throw the whole collection to check for real existing similars
for (j = 0; j < Count; j++)
{
if (isFound = this[j].SeedNumber == smls[i])
{
break;
}
}
if (!isFound)
{
// if zero-frequence element is finded, Similars should be copied
// because it change its Count by shrinking
if (isNotCopied)
{
smls = smls.Copy();
isNotCopied = false;
}
smls[i] = Similars.UndefNumber;
}
}
return(isNotCopied ? smls : smls.Shrink());
}
///// <summary>Removes all the elements with the zero Frequency from the instance.</summary>
///// <remarks>Sorts the collection by Frequency.</remarks>
//void Shrink ()
//{
// if (_isShrinked == true)
// return;
// Sort();
// //System.Console.Beep(400, 100);
// // start from the end because zero Frequencies are much more less then unzero
// for (int i = Count-1; i >= 0; i--)
// //if (this[i].Freq > 0)
// if (this[i] > 0)
// {
// Array.Resize(ref _coll, _insCount = i+1);
// break;
// }
// _isShrinked = true;
//}
#endregion
#region Statistic methods
/// <summary>Reports the shrinked (without zero Frequency) Similars of the specified unsorted pattern.</summary>
/// <param name="seedNumber">The number of the seed-word in the collection.</param>
/// <returns>If Similars have zero-frequency items, the shrinked (without zero Frequency) Similars; otherwise initial Similars.</returns>
public Similars GetSimilars(int seedNumber)
{
Similars smls = Similars.GetSimilars(seedNumber);
bool isNotCopied = true;
// We have to remove from the total Similars all the numbers with zero Frequency
// this is a variant used in ScanWindows
// we may use direct indexing to check zero-frequency seeds
for (int i = 0; i < smls.Count; i++)
{
if (this[smls[i]] == 0)
{
// if zero-frequence element is finded, Similars should be copied
// because it change its Count by shrinking
if (isNotCopied)
{
smls = smls.Copy();
isNotCopied = false;
}
smls[i] = Similars.UndefNumber;
}
}
return(isNotCopied ? smls : smls.Shrink());
}