id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
5983,Stack overflow with Karma floating point generator,matt.chambers42@…,Hartmut Kaiser,"This spirit code causes a stack overflow on MSVC 9 and seg fault on GCC 4.2.1 with boost 1.43 and trunk.

{{{
#include <boost/spirit/include/karma.hpp>
#include <string>
using namespace std;

template <typename T>
struct double12_policy : boost::spirit::karma::real_policies<T>   
{
    //  we want to generate up to 12 fractional digits
    static unsigned int precision(T) { return 12; }
};

string to_string(double value)
{
    using namespace boost::spirit::karma;
    typedef real_generator<double, double12_policy<double> > double12_type;
    static const double12_type double12 = double12_type();
    char buffer[256];
    char* p = buffer;
    generate(p, double12, value);
    return string(&buffer[0], p);
}

int main()
{
    cout << to_string(7.0714098800910119e-313);
    return 0;
}
}}}",Bugs,closed,To Be Determined,spirit,Boost Development Trunk,Problem,fixed,karma stack overflow,Joel de Guzman