id summary reporter owner description type status milestone component version severity resolution keywords cc 6801 mersenne_twister friend function operator== James Hirschorn No-Maintainer "operator== does not return the correct value. I give an example of 2 equivalent mersenne_twister engines for which operator== returns a value of false. The problem is that operator== counts the high w-r bits of the first byte of the generator state." Bugs closed To Be Determined random Boost 1.49.0 Problem fixed