Ejemplos de FieldInvertState.Boost en Golang

Ejemplo n.º 1

Archivo: search.go Proyecto: kiskovacs/golucene

/*
Implemented as state.boost() * lengthNorm(numTerms), where numTerms
is FieldInvertState.length() if setDiscountOverlaps() is false, else
it's FieldInvertState.length() - FieldInvertState.numOverlap().
*/
func (ds *DefaultSimilarity) lengthNorm(state *index.FieldInvertState) float32 {
	var numTerms int
	if ds.discountOverlaps {
		numTerms = state.Length() - state.NumOverlap()
	} else {
		numTerms = state.Length()
	}
	return state.Boost() * float32(1.0/math.Sqrt(float64(numTerms)))
}