id summary reporter owner description type status milestone component version severity resolution keywords cc 6496 interval equality operator throws gast128 Boris Gubenko "the following code throws: boost::numeric::interval intv(1.0, 2.0); boost::numeric::interval intv2 = intv; bool b = (intv == intv2); bug or my fault?" Bugs new To Be Determined interval Boost 1.47.0 Problem