id summary reporter owner description type status milestone component version severity resolution keywords cc 12196 cpp_bin_float: convert_to of infinity and NaN returns zero Michael Shatz John Maddock "Applying convert_to() to cpp_bin_float object with values of Inf and/or NaN returns 0. That is a new bug in the latest github version. In Version 1.60.0 behavior is also not 100% correct, but better: inf.convert_to() => 1.79769e+308 nan.convert_to() => nan Platform: Mingw, gcc 5.3.0, x64. All optimization levels. " Bugs closed To Be Determined multiprecision Boost 1.61.0 Problem fixed