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Clean up algs package

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This commit is contained in:
Daniel 2019-10-25 13:30:34 +02:00
parent fd203fc8a7
commit 4d48b023ae
1 changed files with 15 additions and 13 deletions
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28
analytics/algs/lms.go
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@ -4,6 +4,7 @@ import (
"strings"
)
// LmsScoreOfDomain calculates the mean longest meaningful substring of a domain. It follows some special rules to increase accuracy. It returns a value between 0 and 100, representing the length-based percentage of the meaningful substring.
func LmsScoreOfDomain(domain string) float64 {
var totalScore float64
domain = strings.ToLower(domain)
@ -26,29 +27,30 @@ func LmsScoreOfDomain(domain string) float64 {
return totalScore
}
// LmsScore calculates the longest meaningful substring of a domain. It returns a value between 0 and 100, representing the length-based percentage of the meaningful substring.
func LmsScore(subject string) float64 {
lms_start := -1
lms_stop := -1
longest_lms := 0
lmsStart := -1
lmsStop := -1
longestLms := 0
for i, c := range subject {
if int(c) >= int('a') && int(c) <= int('z') {
if lms_start == -1 {
lms_start = i
if lmsStart == -1 {
lmsStart = i
}
} else {
if lms_start > -1 {
lms_stop = i
if lms_stop-lms_start > longest_lms {
longest_lms = lms_stop - lms_start
if lmsStart > -1 {
lmsStop = i
if lmsStop-lmsStart > longestLms {
longestLms = lmsStop - lmsStart
}
lms_start = -1
lmsStart = -1
}
}
}
if lms_stop == -1 {
longest_lms = len(subject)
if lmsStop == -1 {
longestLms = len(subject)
}
// fmt.Printf("algs: lms score of %s is %.2f\n", subject, (float64(longest_lms) * 100.0 / float64(len(subject))))
return (float64(longest_lms) * 100.0 / float64(len(subject)))
return (float64(longestLms) * 100.0 / float64(len(subject)))
}