50     typedef typename MatrixType::RealScalar RealScalar;  typedef
57     typedef typename internal::plain_row_type<MatrixType, RealScalar>::type RealRowVectorType;
199     typename MatrixType::RealScalar absDeterminant() const;
213     typename MatrixType::RealScalar logAbsDeterminant() const;
225       RealScalar premultiplied_threshold = abs(m_maxpivot) * threshold();  in rank()
322     ColPivHouseholderQR& setThreshold(const RealScalar& threshold)  in setThreshold()
347     RealScalar threshold() const  in threshold()
353 …                                  : NumTraits<Scalar>::epsilon() * RealScalar(m_qr.diagonalSize());  in threshold()
372     RealScalar maxPivot() const { return m_maxpivot; }  in maxPivot()
400     RealScalar m_prescribedThreshold, m_maxpivot;
406 typename MatrixType::RealScalar ColPivHouseholderQR<MatrixType>::absDeterminant() const  in absDeterminant()
415 typename MatrixType::RealScalar ColPivHouseholderQR<MatrixType>::logAbsDeterminant() const  in logAbsDeterminant()
453 …RealScalar threshold_helper = m_colSqNorms.maxCoeff() * numext::abs2(NumTraits<Scalar>::epsilon())…  in compute()
456   m_maxpivot = RealScalar(0);  in compute()
462     RealScalar biggest_col_sq_norm = m_colSqNorms.tail(cols-k).maxCoeff(&biggest_col_index);  in compute()
476     if(m_nonzero_pivots==size && biggest_col_sq_norm < threshold_helper * RealScalar(rows-k))  in compute()
488     RealScalar beta;  in compute()