protected byte encodeNormValue(float boost,float length){
  return SmallFloat.floatToByte315((boost / (float)Math.sqrt(length)));
}

protected byte encodeNormValue ( float boost , float length ) { return SmallFloat . floatToByte315 ( ( boost / ( float ) Math . sqrt ( length ) ) ) ; }
encodes the length to a byte via smallfloat .
