From b7cd34eda4a72102e119a373e3efa54c07d8b489 Mon Sep 17 00:00:00 2001
From: Iulian Dragos <jaguarul@gmail.com>
Date: Fri, 23 Mar 2007 18:01:41 +0000
Subject: Fixed ArrayIndexOutOfBounds in cached bigints f...

Fixed ArrayIndexOutOfBounds in cached bigints for negative numbers.
---
 src/library/scala/BigInt.scala | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/library/scala/BigInt.scala b/src/library/scala/BigInt.scala
index 09f5fa08f2..0878d0d7aa 100644
--- a/src/library/scala/BigInt.scala
+++ b/src/library/scala/BigInt.scala
@@ -31,8 +31,9 @@ object BigInt {
    */
   def apply(i: Int): BigInt =
     if (minCached <= i && i <= maxCached) {
-      var n = cache(i)
-      if (n eq null) { n = new BigInt(BigInteger.valueOf(i)); cache(i) = n }
+      val offset = i - minCached
+      var n = cache(offset)
+      if (n eq null) { n = new BigInt(BigInteger.valueOf(i)); cache(offset) = n }
       n
     } else new BigInt(BigInteger.valueOf(i))
 
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