private static void initWord2VecModel(List <Tuple <string, uint> > hashGroup, int hash, float[][] vectors, SortedList <uint, List <Edge> > cayleyTable)
{
string path = System.IO.Path.Combine(DirectoryName, "hashsort" + hash.ToString() + ".bin");
if (File.Exists(path) && hashGroup != null)
{
Word2VecModel currentWord;
Tuple <string, uint> findedWord;
int lenght;
int maxlenght;
long delta, startPosition, position;
int borderLeft, borderRight, mid;
int comp;
hashGroup.Sort();
try
{
using (BinaryReader reader = new BinaryReader(new FileStream(path, FileMode.Open), Encoding.UTF8))
{
lenght = reader.ReadInt32();
maxlenght = reader.ReadInt32();
delta = maxlenght * 2 + 2000;
borderLeft = 0;
startPosition = reader.BaseStream.Position;
foreach (Tuple <string, uint> word in hashGroup)
{
borderRight = lenght;
while (borderLeft + 1 != borderRight)
{
mid = (borderRight + borderLeft) / 2;
position = startPosition + delta * mid;
reader.BaseStream.Seek(position, SeekOrigin.Begin);
currentWord = Word2VecModel.getWord(reader, maxlenght);
comp = String.Compare(word.Item1, currentWord.word);
if (comp == 0)
{
vectors[word.Item2] = currentWord.vector;
cayleyTable.Add(word.Item2, new List <Edge>());
findedWord = word;
borderLeft = mid;
break;
}
else if (comp > 0)
{
borderLeft = mid;
}
else
{
borderRight = mid;
}
}
}
}
}
catch { }
}
}
internal static void setWord(BinaryWriter writer, Word2VecModel word, int maxlenght)
{
maxlenght -= word.word.Length;
int i;
for (i = 0; i < word.word.Length; i++)
{
writer.Write(word.word[i]);
}
for (i = 0; i < maxlenght; i++)
{
writer.Write(space);
}
for (i = 0; i < word.vector.Length; i++)
{
writer.Write(word.vector[i]);
}
}
