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 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]