TecOffsetDelayFitting.h

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#ifndef TEC_OFFSET_DELAY_FITTING_H_
#define TEC_OFFSET_DELAY_FITTING_H_
 
#include <optional>
#include <span>
#include <string>
 
struct TecOffsetDelayValues {
  double a;
  double b;
  double c;
};
 
std::optional<TecOffsetDelayValues> LinearTecOffsetDelaySolve(
    std::span<const double> x, std::span<const double> y,
    std::span<const double> weights);
 
std::optional<TecOffsetDelayValues> LinearTecDelaySolve(
    std::span<const double> x, std::span<const double> y,
    std::span<const double> weights);
 
std::optional<TecOffsetDelayValues> GradientTecOffsetDelaySolve(
    std::span<const double> x, std::span<const double> y,
    std::span<const double> weights);
 
std::optional<TecOffsetDelayValues> GradientTecDelaySolve(
    std::span<const double> x, std::span<const double> y,
    std::span<const double> weights);
 
void EvaluateLinearTecOffsetValues(const TecOffsetDelayValues& fit,
                                   std::span<const double> x,
                                   std::span<double> y);
 
enum class TecOffsetDelayFittingMethod { LeastSquares, VonMises };
 
TecOffsetDelayValues TecOffsetDelayGridSearch(
    std::span<const double> x_data, std::span<const double> y_data,
    std::span<const double> weights, bool include_b, size_t max_wraps,
    TecOffsetDelayFittingMethod method =
        TecOffsetDelayFittingMethod::LeastSquares);
 
double TecOffsetDelayCost(std::span<const double> x_data,
                          std::span<const double> y_data,
                          std::span<const double> weights,
                          const TecOffsetDelayValues& fit);
 
void PlotCostValues(const std::string& filename, std::span<const double> x_data,
                    std::span<const double> y_data,
                    std::span<const double> weights, size_t max_wraps);
#endif