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要らない誤差の比較を消す #470

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Aug 30, 2021
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8 changes: 1 addition & 7 deletions webapp/golang/util.go
Original file line number Diff line number Diff line change
Expand Up @@ -84,15 +84,9 @@ func tScoreInt(v int, arr []int) float64 {

// ----- float64 -----

var epsilon = math.Nextafter(1, 2) - 1

func isEqualFloat64(v1, v2 float64) bool {
return v1 == v2 || math.Abs(v1-v2)/math.Max(math.Abs(v1), math.Abs(v2)) <= epsilon
}

func isAllEqualFloat64(arr []float64) bool {
for _, v := range arr {
if !isEqualFloat64(arr[0], v) {
if arr[0] != v {
return false
}
}
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