/// <summary>
/// search nearest words to <param name="intext"></param>
/// </summary>
/// <returns>nearest words</returns>
public BestWord[] Search(string intext)
{
BestWord[] bestWords = new BestWord[N];
long[] bi = new long[100];
float[] vec = new float[max_size];
string[] st = intext.Split(' ');
int cn = st.Length;
long b = -1;
for (long a = 0; a < cn; a++)
{
for (b = 0; b < Words; b++)
{
string word = new string(Vocab, (int)(b * max_w), (int)max_w).Replace("\0", string.Empty);;
if (word.Equals(st[a]))
{
break;
}
}
if (b == Words)
{
b = -1;
}
bi[a] = b;
Console.Write("\nWord: {0} Position in vocabulary: {1}\n", st[a], bi[a]);
if (b == -1)
{
Console.Write("Out of dictionary word!\n");
break;
}
}
if (b == -1)
{
return(new BestWord[0]);
}
for (long a = 0; a < Size; a++)
{
vec[a] = 0;
}
for (b = 0; b < cn; b++)
{
if (bi[b] == -1)
{
continue;
}
for (long a = 0; a < Size; a++)
{
vec[a] += M[a + bi[b] * Size];
}
}
float len = 0;
for (long a = 0; a < Size; a++)
{
len += vec[a] * vec[a];
}
len = (float)Math.Sqrt(len);
for (long a = 0; a < Size; a++)
{
vec[a] /= len;
}
for (long c = 0; c < Words; c++)
{
long a = 0;
for (b = 0; b < cn; b++)
{
if (bi[b] == c)
{
a = 1;
}
}
if (a == 1)
{
continue;
}
float dist = 0;
for (a = 0; a < Size; a++)
{
dist += vec[a] * M[a + c * Size];
}
for (a = 0; a < N; a++)
{
if (dist > bestWords[a].Distance)
{
for (long d = N - 1; d > a; d--)
{
bestWords[d] = bestWords[d - 1];
}
bestWords[a].Distance = dist;
bestWords[a].Word = new string(Vocab, (int)(max_w * c), (int)max_w).Replace("\0", String.Empty).Trim();
break;
}
}
}
return(bestWords);
}
public BestWord[] Search(string text)
{
BestWord[] bestWords = new BestWord[N];
long[] bi = new long[100];
float[] vec = new float[max_size];
string[] st = text.Split(' ');
long cn = st.Length;
long b = -1;
for (long a = 0; a < cn; a++)
{
for (b = 0; b < Words; b++)
{
if (!new string(Vocab, (int)(b * max_w), (int)max_w).Equals(st[a]))
{
break;
}
}
if (b == Words)
{
b = -1;
}
bi[a] = b;
Console.Write("\nWord: {0} Position in vocabulary: {1}\n", st[a], bi[a]);
if (b == -1)
{
Console.Write("Out of dictionary word!\n");
break;
}
}
if (b == -1)
{
return(new BestWord[0]);
}
//Console.WriteLine("\n Word Distance\n------------------------------------------------------------------------\n");
for (long a = 0; a < Size; a++)
{
vec[a] = M[a + bi[1] * Size] - M[a + bi[0] * Size] + M[a + bi[2] * Size];
}
float len = 0;
for (long a = 0; a < Size; a++)
{
len += vec[a] * vec[a];
}
len = (float)Math.Sqrt(len);
for (long a = 0; a < Size; a++)
{
vec[a] /= len;
}
//for (long a = 0; a < N; a++) bestd[a] = 0;
//for (a = 0; a < N; a++) bestw[a][0] = 0;
for (long c = 0; c < Words; c++)
{
if (c == bi[0])
{
continue;
}
if (c == bi[1])
{
continue;
}
if (c == bi[2])
{
continue;
}
long a = 0;
for (b = 0; b < cn; b++)
{
if (bi[b] == c)
{
a = 1;
}
}
if (a == 1)
{
continue;
}
float dist = 0;
for (a = 0; a < Size; a++)
{
dist += vec[a] * M[a + c * Size];
}
for (a = 0; a < N; a++)
{
if (dist > bestWords[a].Distance)
{
for (long d = N - 1; d > a; d--)
{
bestWords[d] = bestWords[d - 1];
//bestd[d] = bestd[d - 1];
// strcpy(bestw[d], bestw[d - 1]);
}
bestWords[a].Distance = dist;
//bestd[a] = dist;
bestWords[a].Word = new string(Vocab, (int)(max_w * c), (int)max_w);
break;
}
}
}
//for (a = 0; a < N; a++) printf("%50s\t\t%f\n", bestw[a], bestd[a]);
return(bestWords);
}
