#define _USE_MATH_DEFINES
#include "../matplotlibcpp.h"
#include <cmath>

using namespace std;
namespace plt = matplotlibcpp;

int
main()
{
  // Prepare data
  int n = 500;
  std::vector<double> x(n), u(n), v(n), w(n);
  for(int i = 0; i < n; ++i)
  {
    x.at(i) = i;
    u.at(i) = sin(2 * M_PI * i / 500.0);
    v.at(i) = 100.0 / i;
    w.at(i) = sin(2 * M_PI * i / 1000.0);
  }

  // Set the "super title"
  plt::suptitle("My plot");

  const long nrows = 3, ncols = 3;
  long row = 2, col = 2;

  plt::subplot2grid(nrows, ncols, row, col);
  plt::plot(x, w, "g-");

  long spanr = 1, spanc = 2;
  col = 0;
  plt::subplot2grid(nrows, ncols, row, col, spanr, spanc);
  plt::plot(x, v, "r-");

  spanr = 2, spanc = 3;
  row = 0, col = 0;
  plt::subplot2grid(nrows, ncols, row, col, spanr, spanc);
  plt::plot(x, u, "b-");
  // Add some text to the plot
  plt::text(100., -0.5, "Hello!");

  // Show plots
  plt::show();
}