id summary reporter owner description type status milestone component version severity resolution keywords cc 13301 boost multiprecision conversion from binary float to int types fails for large floats marc.alexa@… John Maddock "It appears the conversion from binary float types such as {{{ typedef number > quarter_float; }}} to integer types fails if the float is 2^8^ or larger. For example, using {{{ quarter_float qf(256); cpp_int i = qf.convert_to(); unsigned int n = qf.convert_to(); }}} I get 0 for i and 4294967295 for n. A try to attach a full code example." Bugs closed To Be Determined multiprecision Boost 1.64.0 Problem fixed