RipsComplex.h

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#pragma once
 
#include <Debug.h>
 
#include <array>
 
namespace ttk {
 
  class RipsComplex : virtual public Debug {
  public:
    RipsComplex();
 
    int execute(std::vector<SimplexId> &connectivity,
                std::vector<double> &diameters,
                std::array<double *const, 3> diamStats,
                const std::vector<std::vector<double>> &distanceMatrix,
                double *const density = nullptr) const;
 
  protected:
    int computeDiameterStats(const SimplexId nPoints,
                             std::array<double *const, 3> diamStats,
                             const std::vector<SimplexId> &connectivity,
                             const std::vector<double> &cellDiameters) const;
 
    int computeGaussianDensity(
      double *const density,
      const std::vector<std::vector<double>> &distanceMatrix) const;
 
    int OutputDimension{2};
    double Epsilon{1.0};
    double StdDev{1.0};
    bool ComputeGaussianDensity{false};
  };
 
} // namespace ttk