double ConvertToString error

[iptcp]

1480525631---1.48053e+09

std::string ConvertToString(double t)
{
std::stringstream sstream;
sstream << t;
return sstream.str();
}

int main(int argc, char *argv[])
{
time_t t = time(NULL);
double dt = (long) t;
std::cout<<std::to_string((int)t)<<"---"<<dt<<std::endl;
std::cout<<ConvertToString(dt)<<"---"<<std::endl;
return 0;
}
/opt/work/debug $ ./hh
1480525631---1.48053e+09
1.48053e+09---
/opt/work/debug $

[shawn246]

#include >

std::string ConvertToString(double t)
{
std::stringstream sstream;
sstream << std::fixed << t;
return sstream.str();
}

Hope this is helpful.