#include <cmath>
#include <iostream>

int main()
{
  const auto pi = std::acos(-1.0);
  
  std::cout << "# k=0 k=0.7 k=1\n";
  
  for (int i = 0; i < 100; ++i)
  {
    double phi = 0.01*i*pi/2;
    std::cout << phi 
      << '\t' << std::ellint_2(0.0, phi)
      << '\t' << std::ellint_2(0.7, phi)
      << '\t' << std::ellint_2(1.0, phi)
      << '\n';
  }
}