#include <iostream>
#include <iomanip>
#include <math.h>

int main(int argc, char const *argv[])
{
    double hnu = 4.138e-10; // ergs
    for (double logn_e = -10; logn_e <= 10; logn_e = logn_e + 0.0625) {
        double n_e = pow(10,logn_e);
        double net_cooling = hnu *
            (1e-13)*pow(n_e,2) * 
            (
                (2.19)*pow(1.47e-7*n_e+1,-1) -
                (3.95)*pow(1-(1.47e-7*(n_e)),-1)
            );
        std::cout << std::setprecision(4) << std::fixed
            << std::scientific 
            << std::setw(10) << n_e << '\t'
            << std::setw(10) << net_cooling << '\n';
    }


    return 0;
}