static SimilarityBase()
{
for (int i = 0; i < 256; i++)
{
float floatNorm = SmallSingle.SByte315ToSingle((sbyte)i);
NORM_TABLE[i] = 1.0f / (floatNorm * floatNorm);
}
}
private static float[] LoadNormTable() // LUCENENET: Avoid static constructors (see https://github.com/apache/lucenenet/pull/224#issuecomment-469284006)
{
float[] normTable = new float[256];
for (int i = 0; i < 256; i++)
{
float floatNorm = SmallSingle.SByte315ToSingle((sbyte)i);
normTable[i] = 1.0f / (floatNorm * floatNorm);
}
return(normTable);
}
/// <summary>
/// Encodes the length to a byte via <see cref="SmallSingle"/>. </summary>
protected internal virtual byte EncodeNormValue(float boost, float length)
{
return(SmallSingle.SingleToByte315((boost / (float)Math.Sqrt(length))));
}
