matplothelper.hh

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// SPDX-FileCopyrightText: 2021-2024 The Ikarus Developers mueller@ibb.uni-stuttgart.de
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#pragma once
#include <matplot/matplot.h>
 
#include <Eigen/Core>
namespace Ikarus::plot {
  void draw_xy(const Eigen::VectorXd& x, const Eigen::VectorXd& y);
 
  template <typename FunctionType>
  void drawFunction(FunctionType&& f, std::pair<double, double>&& xRange, int eValuationPoints = 100) {
    std::vector<double> x = matplot::linspace(xRange.first, xRange.second, eValuationPoints);
    std::vector<double> y = matplot::transform(x, [&f](auto x_) { return f(x_); });
    matplot::plot(x, y, "-o");
    matplot::hold(matplot::on);
  }
 
}  // namespace Ikarus::plot