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-rw-r--r--mobile/big.go10
1 files changed, 10 insertions, 0 deletions
diff --git a/mobile/big.go b/mobile/big.go
index 564fbad47..dd7b15878 100644
--- a/mobile/big.go
+++ b/mobile/big.go
@@ -62,6 +62,16 @@ func (bi *BigInt) SetInt64(x int64) {
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.
//
// The string prefix determines the actual conversion base. A prefix of "0x" or