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mobile: Add Sign to mobile BigInt

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Currently, the only way of getting the sign of a BigInt from mobile is
coverting to string. This adds a Sign function to make conversion
faster.
This commit is contained in:
Alejandro Isaza 2017-11-26 15:25:59 -08:00
parent e4c9fd29a3
commit e8b5f8b396
1 changed files with 10 additions and 0 deletions
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10
mobile/big.go
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@ -62,6 +62,16 @@ func (bi *BigInt) SetInt64(x int64) {
bi.bigint.SetInt64(x) bi.bigint.SetInt64(x)
} }
// Sign returns:
//
// -1 if x < 0
// 0 if x == 0
// +1 if x > 0
//
func (bi *BigInt) Sign() int {
return bi.bigint.Sign()
}
// SetString sets the big int to x. // SetString sets the big int to x.
// //
// The string prefix determines the actual conversion base. A prefix of "0x" or // The string prefix determines the actual conversion base. A prefix of "0x" or