id summary reporter owner description type status milestone component version severity resolution keywords cc 13160 cpp_dec_float fails division with on MinGW7.1 with optimization -O2 dwieselwind@… John Maddock "When compiling the following on MinGW 7.1 with option -O2, the assertion fires. It succeeds (as expected) with: -O3 debug (no optimization) -m64 (in all configurations) {{{ #include #include typedef boost::multiprecision::number > flp_type; int main() { flp_type v1(""1.33""); flp_type v2(50); v1 /= v2; assert(v1 == flp_type(""0.0266"")); return 0; } }}} " Bugs closed To Be Determined multiprecision Boost 1.63.0 Optimization duplicate