inconsistency.hpp

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#pragma once
 
#include <cstddef>
 
#include "anpcpp/eigen.hpp"
#include "anpcpp/matrix.hpp"
 
namespace anpcpp {
 
[[nodiscard]] double random_index(std::size_t n);
 
[[nodiscard]] double consistency_index(double lambda_max, std::size_t n);
 
[[nodiscard]] double consistency_ratio(double lambda_max, std::size_t n);
 
struct ConsistencyOptions {
  EigenOptions eigen;
  bool use_harker = true;
};
 
struct ConsistencyResult {
  double lambda_max = 0.0;
  double consistency_index = 0.0;
  double consistency_ratio = 0.0;
  double random_index = 0.0;
  Vector priority;
  std::size_t iterations = 0;
  bool converged = false;
};
 
[[nodiscard]] ConsistencyResult consistency(const Matrix& mat,
                                            ConsistencyOptions options = {});
 
[[nodiscard]] double consistency_index(const Matrix& mat,
                                       ConsistencyOptions options = {});
 
[[nodiscard]] double consistency_ratio(const Matrix& mat,
                                       ConsistencyOptions options = {});
 
}  // namespace anpcpp