github.com/weaviate/weaviate@v1.24.6/entities/additional/distance.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  package additional
    13  
    14  func CertaintyToDistPtr(maybeCertainty *float64) (distPtr *float64) {
    15  	if maybeCertainty != nil {
    16  		dist := (1 - *maybeCertainty) * 2
    17  		distPtr = &dist
    18  	}
    19  	return
    20  }
    21  
    22  func CertaintyToDist(certainty float64) (dist float64) {
    23  	dist = (1 - certainty) * 2
    24  	return
    25  }
    26  
    27  func DistToCertainty(dist float64) (certainty float64) {
    28  	certainty = 1 - (dist / 2)
    29  	return
    30  }