wneessen/decimal
1
1
Fork 0
mirror of https://github.com/shopspring/decimal.git synced 2024-10-05 16:35:56 +02:00
Code Issues Projects Releases Packages Wiki Activity

Improve performance of Abs() and Round() (#240)

Browse source
This commit is contained in:
Denis 2021-09-09 14:03:13 +03:00 committed by GitHub
parent cc4584f0a5
commit 483a047db9
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
decimal.go
View file

@ -457,6 +457,9 @@ func (d Decimal) rescale(exp int32) Decimal {
// Abs returns the absolute value of the decimal.
func (d Decimal) Abs() Decimal {
if !d.IsNegative() {
return d
}
d.ensureInitialized()
d2Value := new(big.Int).Abs(d.value)
return Decimal{
@ -879,6 +882,9 @@ func (d Decimal) StringFixedCash(interval uint8) string {
// NewFromFloat(545).Round(-1).String() // output: "550"
//
func (d Decimal) Round(places int32) Decimal {
if d.exp == -places {
return d
}
// truncate to places + 1
ret := d.rescale(-places - 1)