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authorTom Tromey <tromey@redhat.com>2007-08-28 18:37:55 +0000
committerTom Tromey <tromey@redhat.com>2007-08-28 18:37:55 +0000
commit75a73355f36e0cbbbab74aafaa63c8ae0cd80acf (patch)
tree290bff6ae0e24dff369e94c86b7b3f7136c6e723 /java/math
parent2320bcd1e6c566433eb0881aedce2f3aceb8cbdd (diff)
downloadclasspath-75a73355f36e0cbbbab74aafaa63c8ae0cd80acf.tar.gz
2007-08-28 John X <johnx@dodgit.com>
PR classpath/33206: * java/math/BigInteger.java (isProbablePrime): Handle case of large 'b'.
Diffstat (limited to 'java/math')
-rw-r--r--java/math/BigInteger.java4
1 files changed, 2 insertions, 2 deletions
diff --git a/java/math/BigInteger.java b/java/math/BigInteger.java
index 8d174d084..3fb75ffa3 100644
--- a/java/math/BigInteger.java
+++ b/java/math/BigInteger.java
@@ -1,5 +1,5 @@
/* java.math.BigInteger -- Arbitary precision integers
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -1313,7 +1313,7 @@ public class BigInteger extends Number implements Comparable<BigInteger>
int b = pMinus1.getLowestSetBit();
// Set m such that this = 1 + 2^b * m.
- BigInteger m = pMinus1.divide(valueOf(2L << b - 1));
+ BigInteger m = pMinus1.divide(valueOf(2L).pow(b));
// The HAC (Handbook of Applied Cryptography), Alfred Menezes & al. Note
// 4.49 (controlling the error probability) gives the number of trials