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tpl: Fix bad rounding in NumFmt

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strconv.FormatFloat doesn't round properly sometimes, this adds a
different method of rounding, fixes #7116
This commit is contained in:
Sam Smith
2020-04-01 23:13:23 +01:00
committed by Bjørn Erik Pedersen
parent f7d909f394
commit 3d9235e8fc
2 changed files with 8 additions and 1 deletions
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5
tpl/lang/lang.go
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@@ -102,10 +102,13 @@ func (ns *Namespace) NumFmt(precision, number interface{}, options ...interface{
}
}
exp := math.Pow(10.0, float64(prec))
r := math.Round(n*exp) / exp
// Logic from MIT Licensed github.com/go-playground/locales/
// Original Copyright (c) 2016 Go Playground
s := strconv.FormatFloat(math.Abs(n), 'f', prec, 64)
s := strconv.FormatFloat(math.Abs(r), 'f', prec, 64)
L := len(s) + 2 + len(s[:len(s)-1-prec])/3
var count int