#include <boost/spirit/include/karma.hpp>
#include <iterator>
#include <string>
#include <limits>
#include <math.h>

int main() {
	std::string s;
	std::back_insert_iterator<std::string> sink(s);
	//boost::spirit::karma::generate(sink, std::numeric_limits<double>::denorm_min());
	//boost::spirit::karma::generate(sink, std::numeric_limits<double>::min()*1e-1);
	boost::spirit::karma::generate(sink, std::nextafter(0.0, 1.0));
	return 0;
}