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Use QuoRem to avoid extra ops

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Connor Peet 2016-10-06 09:37:00 -07:00
parent 2faaec71dd
commit 080be114dd
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1 changed files with 3 additions and 4 deletions
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7
decimal.go
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@ -440,11 +440,10 @@ func (d Decimal) RoundFair(places int32) Decimal {
// First, truncate the number to see if there are trailing decimal places.
// If there are it can't end in 5.
exp := new(big.Int).Exp(tenInt, shift, zeroInt)
rounded := new(big.Int).Quo(d.value, exp)
tmp := new(big.Int)
if tmp.Mul(rounded, exp).Cmp(d.value) != 0 {
exp := new(big.Int).Exp(tenInt, shift, zeroInt)
rounded, _ := new(big.Int).QuoRem(d.value, exp, tmp)
if tmp.Cmp(zeroInt) != 0 {
return d.Round(places)
}