[ http://issues.apache.org/jira/browse/MATH-154?page=all ]
Phil Steitz updated MATH-154:
-----------------------------
Fix Version/s: 1.2 Final
> MathUtils addAndCheck and subAndCheck for long values
> -----------------------------------------------------
>
> Key: MATH-154
> URL: http://issues.apache.org/jira/browse/MATH-154
> Project: Commons Math
> Issue Type: Improvement
> Affects Versions: Nightly Builds, 1.1 Final
> Reporter: Remi Arntzen
> Fix For: 1.2 Final
>
>
> public static long addAndCheck(long x, long y) {
> BigInteger s = BigInteger.valueOf(x).add(BigInteger.valueOf(y);
> if (s.bitLength() + 1 > Long.SIZE) {
> throw new ArithmeticException("overflow: add");
> }
> return s.longValue();
> }
> public static long subAndCheck(long x, long y) {
> BigInteger s = BigInteger.valueOf(x).subtract(BigInteger.valueOf(y));
> if (s.bitLength() + 1 > Long.SIZE) {
> throw new ArithmeticException("overflow: add");
> }
> return s.longValue();
> }
--
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators:
http://issues.apache.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
