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Michiel Vlootman 2019-09-21 13:59:06 +02:00 committed by Alexander Medvednikov
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commit 9b7ca248f0
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vlib/strings/similarity.v
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@ -35,7 +35,7 @@ pub fn levenshtein_distance_percentage(a, b string) f32 {
// implementation of Sørensen–Dice coefficient. // implementation of Sørensen–Dice coefficient.
// find the similarity between two strings. // find the similarity between two strings.
// returns f64 between 0.0 (not similar) and 1.0 (exact match). // returns coefficient between 0.0 (not similar) and 1.0 (exact match).
pub fn dice_coefficient(s1, s2 string) f32 { pub fn dice_coefficient(s1, s2 string) f32 {
if s1.len == 0 || s2.len == 0 { return 0.0 } if s1.len == 0 || s2.len == 0 { return 0.0 }
if s1 == s2 { return 1.0 } if s1 == s2 { return 1.0 }