31 EigenMatrix& A, EigenVector& b, EigenVector& ,
32 const std::vector<EigenMatrix::IndexType>& vec_knownX_id,
33 const std::vector<double>& vec_knownX_x);
void applyKnownSolution(EigenMatrix &A, EigenVector &b, EigenVector &, const std::vector< EigenMatrix::IndexType > &vec_knownX_id, const std::vector< double > &vec_knownX_x)