Graph.h

/**
 * \class Graph
 *
 * \ingroup PackageName
 * (Note, this needs exactly one \defgroup somewhere)
 *
 * \brief This is class that enables us to plot the approximated data.
 *
 * \note Mandatory part of the project
 *
 * \author (last to touch it) $Author: DC & NL$
 *
 * \version $Revision: 1.0 $
 *
 * \date $Date: 2017.12.09 $
 *
 * Contact: david.cleres@epfl.ch & nicolas.lesimple@epfl.ch
 *
 */

#ifndef PCSC2017_GROUP5_GRAPH_H
#define PCSC2017_GROUP5_GRAPH_H

#include "readFile.h"
using namespace std;

///@class
class Graph {
public:
    /** \brief Constructor of the class graph
     * \param data is a structure that contains the information about the X and Y axis
     */
    explicit Graph(Data const& data);

    /** \brief plots the graph for the least square regression
     * \param degree is a positive integer that represents the degree of the fitted polynome
     */
    void make_graph_least_square(size_t const& degree) const;

    /** \brief plots the graph for the lagrange polynoma regression
     */
    void make_graph_lagrange() const;

    /** \brief Plots the graph for the least square regression
     * \param degree is a positive integer that represents the degree of the fitted polynome
     * \param intervalle is the intervall for the the leat square method
     */
    void make_graph_piece_wise_least_squares(size_t const& degree, size_t const& intervalle) const;

    /** \brief Plots the graph for the lagrange regression
    * \param intervalle is the intervall for the the leat square method
    */
    void make_graph_piece_wise_lagrange(size_t const& intervalle) const;

    /** \brief Plots the graph for fourier approximation
     * \param data_original is the data as it is in the file
     */
    void make_graph_FFT(Data data_original);

    /** \brief Create augmented x data set.
     * \param no parameters
     */
    vector<double> make_x_points() const;

    /** \brief Create the plot with the library
     * \param x and y which are the vector of values we want to plot.
     */
    void make_graph(vector<double> const& x , vector<double> const& y) const;

private:
    Data mData;
};

#endif //PCSC2017_GROUP5_GRAPH_H