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 xL) { return f(xL); });
  matplot::plot(x, y, "-o");
  matplot::hold(matplot::on);
}
 
} // namespace Ikarus::plot