solver.h

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#ifndef INCLUDED_HWPFILTER_SOURCE_SOLVER_H
#define INCLUDED_HWPFILTER_SOURCE_SOLVER_H
 
class mgcLinearSystemD
{
public:
    static std::unique_ptr<std::unique_ptr<double[]>[]> NewMatrix(int N);
    static std::unique_ptr<double[]> NewVector(int N);
 
    static bool Solve(int N, std::unique_ptr<std::unique_ptr<double[]>[]> const& A, double* b);
    // Input:
    //     A[N][N] coefficient matrix, entries are A[row][col]
    //     b[N] vector, entries are b[row]
    // Output:
    //     return value is TRUE if successful, FALSE if pivoting failed
    //     A[N][N] is inverse matrix
    //     b[N] is solution x to Ax = b
};
 
#endif
 
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