id summary reporter owner description type status milestone component version severity resolution keywords cc 11193 mpfr_float self assignment fails John Maddock John Maddock "Self assignment of mpfr_float always results in a NaN: {{{ boost::multiprecision::mpfr_float a = 2; a = a; // Sets a to a NaN }}}" Bugs closed Boost 1.59.0 multiprecision Boost 1.58.0 Problem fixed