FPChecker/tutorial/common/linear_solvers.hpp at master · llnl/FPChecker · GitHub

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#ifndef LINEAR_SOLVERS_HPP
#define LINEAR_SOLVERS_HPP

#include <vector>

/***********************************************/
/* FP64 API                                    */
/***********************************************/

std::tuple<std::vector<std::vector<double>>, std::vector<std::vector<double>>, std::vector<std::vector<double>>>
lu_factorization_partial_pivot(std::vector<std::vector<double>> A);

std::vector<double> solve_lu_system_by_substitution(const std::vector<std::vector<double>> &L,
                                                    const std::vector<std::vector<double>> &U,
                                                    const std::vector<std::vector<double>> &P,
                                                    const std::vector<double> &b);

// Solve AX = b using LU factorization
std::vector<double> solve_system_with_LU(const std::vector<std::vector<double>> &A, const std::vector<double> &b);

/***********************************************/
/* FP32 API                                    */
/***********************************************/

std::tuple<std::vector<std::vector<float>>, std::vector<std::vector<float>>, std::vector<std::vector<float>>>
lu_factorization_partial_pivot(std::vector<std::vector<float>> A);

std::vector<float> solve_lu_system_by_substitution(const std::vector<std::vector<float>> &L,
                                                   const std::vector<std::vector<float>> &U,
                                                   const std::vector<std::vector<float>> &P,
                                                   const std::vector<float> &b);

// Solve AX = b using LU factorization
std::vector<float> solve_system_with_LU(const std::vector<std::vector<float>> &A, const std::vector<float> &b);

#endif // LINEAR_SOLVERS_HPP