88     ColPivHouseholderQR(Index rows, Index cols)  in ColPivHouseholderQR()  argument
89       : m_qr(rows, cols),  in ColPivHouseholderQR()
90         m_hCoeffs((std::min)(rows,cols)),  in ColPivHouseholderQR()
91         m_colsPermutation(PermIndexType(cols)),  in ColPivHouseholderQR()
92         m_colsTranspositions(cols),  in ColPivHouseholderQR()
93         m_temp(cols),  in ColPivHouseholderQR()
94         m_colSqNorms(cols),  in ColPivHouseholderQR()
111       : m_qr(matrix.rows(), matrix.cols()),  in ColPivHouseholderQR()
112         m_hCoeffs((std::min)(matrix.rows(),matrix.cols())),  in ColPivHouseholderQR()
113         m_colsPermutation(PermIndexType(matrix.cols())),  in ColPivHouseholderQR()
114         m_colsTranspositions(matrix.cols()),  in ColPivHouseholderQR()
115         m_temp(matrix.cols()),  in ColPivHouseholderQR()
116         m_colSqNorms(matrix.cols()),  in ColPivHouseholderQR()
241       return cols() - rank();  in dimensionOfKernel()
254       return rank() == cols();  in isInjective()
293                (*this, MatrixType::Identity(m_qr.rows(), m_qr.cols()));  in inverse()
297     inline Index cols() const { return m_qr.cols(); }  in cols()  function
410 …eigen_assert(m_qr.rows() == m_qr.cols() && "You can't take the determinant of a non-square matrix!…  in absDeterminant()
418 …eigen_assert(m_qr.rows() == m_qr.cols() && "You can't take the determinant of a non-square matrix!…  in logAbsDeterminant()
435   Index cols = matrix.cols();  in compute()  local
439   eigen_assert(cols<=NumTraits<int>::highest());  in compute()
444   m_temp.resize(cols);  in compute()
446   m_colsTranspositions.resize(matrix.cols());  in compute()
449   m_colSqNorms.resize(cols);  in compute()
450   for(Index k = 0; k < cols; ++k)  in compute()
462     RealScalar biggest_col_sq_norm = m_colSqNorms.tail(cols-k).maxCoeff(&biggest_col_index);  in compute()
498     m_qr.bottomRightCorner(rows-k, cols-k-1)  in compute()
502     m_colSqNorms.tail(cols-k-1) -= m_qr.row(k).tail(cols-k-1).cwiseAbs2();  in compute()
505   m_colsPermutation.setIdentity(PermIndexType(cols));  in compute()
527     const Index cols = dec().cols(),
550 …for(Index i = nonzero_pivots; i < cols; ++i) dst.row(dec().colsPermutation().indices().coeff(i)).s…