.. _program_listing_file_src_navtk_utils_QuadraticSplineModel.hpp:

Program Listing for File QuadraticSplineModel.hpp
=================================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_navtk_utils_QuadraticSplineModel.hpp>` (``src/navtk/utils/QuadraticSplineModel.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #pragma once
   
   #include <memory>
   #include <typeinfo>
   
   #include <navtk/tensors.hpp>
   #include <navtk/utils/InterpolationModel.hpp>
   #include <navtk/utils/Ordered.hpp>
   
   namespace navtk {
   namespace utils {
   
   class QuadraticSplineModel : public InterpolationModel {
   
   public:
       QuadraticSplineModel(const std::vector<double> &x, const std::vector<double> &y);
   
       double y_at(double x_interp) override;
   
   private:
       /*
        * Set of 3 polynomial coefficients [a, b, c] (A * spline_model = y_meas) such that for a given
        * query point x the interpolated value at x, y(x) = ax^2 + bx + c.
        */
       Vector spline_model;
   };
   
   }  // namespace utils
   }  // namespace navtk