From b844c58a7167f7d2e04e11d6a999c79d8bbfaec7 Mon Sep 17 00:00:00 2001
From: Frank <frankli0324@hotmail.com>
Date: Tue, 16 Jan 2024 03:52:54 +0800
Subject: [PATCH] Fix overflow edge case in QuoRem method (#322)

---
 decimal.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/decimal.go b/decimal.go
index f240dc5..e9d1627 100644
--- a/decimal.go
+++ b/decimal.go
@@ -561,7 +561,7 @@ func (d Decimal) QuoRem(d2 Decimal, precision int32) (Decimal, Decimal) {
 		panic("decimal division by 0")
 	}
 	scale := -precision
-	e := int64(d.exp - d2.exp - scale)
+	e := int64(d.exp) - int64(d2.exp) - int64(scale)
 	if e > math.MaxInt32 || e < math.MinInt32 {
 		panic("overflow in decimal QuoRem")
 	}