std::showpoint, std::noshowpoint std::setprecision std::fixed, std::scientific, std::hexfloat, std::defaultfloat std::setbase std::showbase, std::noshowbase std::quoted std::boolalpha, std::noboolalpha std::dec,
std::fixed,std::scientific,std::hexfloat,std::defaultfloat Defined in header<ios> std::ios_base&fixed(std::ios_base&str); (1) std::ios_base&scientific(std::ios_base&str); (2) std::ios_base&hexfloat(std::ios_base&str);
scientific << 0.01 << '\n' << "The number 0.01 in hexfloat: " << std::hexfloat << 0.01 << '\n' << "The number 0.01 in default: " << std::defaultfloat << 0.01 << '\n'; double f; std::istringstream("0x1P-1022") >> std::hexfloat >> f; std::cout << "Parsing ...