void initialize_Q_R_Q_X(size_type n_R, size_type n_X, const size_type i_x_free[], const size_type i_x_fixed[], bool test_setup, size_type Q_R_row_i[], size_type Q_R_col_j[], GenPermMatrixSlice *Q_R, size_type Q_X_row_i[], size_type Q_X_col_j[], GenPermMatrixSlice *Q_X)
Initialize GenPermMatrixSlice mapping matrices for Q_R and Q_X.