IAUXYSPrecomputed.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstUtil/StringView.hpp"
#include <vector>
 
AST_NAMESPACE_BEGIN
 
class AST_CORE_API IAUXYSPrecomputed
{
public:
    IAUXYSPrecomputed();
    
    errc_t getValue(const TimePoint& tp, array3d& xys) const;
 
    errc_t getValueTT(const JulianDate& jdTT, array3d& xys) const;
 
    errc_t load(StringView filepath);
 
 
    errc_t loadDefault();
 
    void precompute(double start_jed, double stop_jed, double step_size);
 
    double getRefEpochJED() const { return refepoch_jed_; }
 
    double getStepSize() const { return step_size_; }
 
    int getNumPoints() const { return (int)xys_points_.size(); }
 
    int getInterpOrder() const { return interp_order_; }
 
    void setInterpOrder(int order);
private:
    void initInterpolation();
 
    A_DISABLE_COPY(IAUXYSPrecomputed)
protected:
    // int num_points_{0};
    int num_columns_{0};
    int interp_order_{0};
    double step_size_{0.0};
    double refepoch_jed_{0.0};
    std::vector<array3d> xys_points_;
private:
    std::vector<double> denom_array_;   
    std::vector<double> time_array_;    
};
 
AST_NAMESPACE_END