content()

const Matrix * Matrix::content

(

)

const

Definition at line 2021 of file matrix.cpp.

{
  const Ring *R = get_ring();
  const PolynomialRing *P = R->cast_to_PolynomialRing();
  const Ring *targetR = (P == nullptr ? R : P->getCoefficients());
 
  const FreeModule *F = targetR->make_FreeModule(1);
  MatrixConstructor mat(F, n_cols());
  for (int i = 0; i < n_cols(); i++)
    mat.set_entry(0, i, R->vec_content(elem(i)));
  return mat.to_matrix();
}

References Ring::cast_to_PolynomialRing(), content(), elem(), FreeModule, get_ring(), PolynomialRing::getCoefficients(), Ring::make_FreeModule(), Matrix(), MatrixConstructor, n_cols(), MatrixConstructor::set_entry(), MatrixConstructor::to_matrix(), and Ring::vec_content().

Referenced by auto_reduce(), content(), and rawMatrixContent().