diff options
Diffstat (limited to 'Eigen/src/QR/FullPivHouseholderQR.h')
-rw-r--r-- | Eigen/src/QR/FullPivHouseholderQR.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/Eigen/src/QR/FullPivHouseholderQR.h b/Eigen/src/QR/FullPivHouseholderQR.h index 37898e77c..613c29e57 100644 --- a/Eigen/src/QR/FullPivHouseholderQR.h +++ b/Eigen/src/QR/FullPivHouseholderQR.h @@ -201,11 +201,12 @@ template<typename _MatrixType> class FullPivHouseholderQR */ inline Index rank() const { + using std::abs; eigen_assert(m_isInitialized && "FullPivHouseholderQR is not initialized."); - RealScalar premultiplied_threshold = internal::abs(m_maxpivot) * threshold(); + RealScalar premultiplied_threshold = abs(m_maxpivot) * threshold(); Index result = 0; for(Index i = 0; i < m_nonzero_pivots; ++i) - result += (internal::abs(m_qr.coeff(i,i)) > premultiplied_threshold); + result += (abs(m_qr.coeff(i,i)) > premultiplied_threshold); return result; } @@ -362,9 +363,10 @@ template<typename _MatrixType> class FullPivHouseholderQR template<typename MatrixType> typename MatrixType::RealScalar FullPivHouseholderQR<MatrixType>::absDeterminant() const { + using std::abs; eigen_assert(m_isInitialized && "FullPivHouseholderQR is not initialized."); eigen_assert(m_qr.rows() == m_qr.cols() && "You can't take the determinant of a non-square matrix!"); - return internal::abs(m_qr.diagonal().prod()); + return abs(m_qr.diagonal().prod()); } template<typename MatrixType> @@ -378,6 +380,7 @@ typename MatrixType::RealScalar FullPivHouseholderQR<MatrixType>::logAbsDetermin template<typename MatrixType> FullPivHouseholderQR<MatrixType>& FullPivHouseholderQR<MatrixType>::compute(const MatrixType& matrix) { + using std::abs; Index rows = matrix.rows(); Index cols = matrix.cols(); Index size = (std::min)(rows,cols); @@ -439,7 +442,7 @@ FullPivHouseholderQR<MatrixType>& FullPivHouseholderQR<MatrixType>::compute(cons m_qr.coeffRef(k,k) = beta; // remember the maximum absolute value of diagonal coefficients - if(internal::abs(beta) > m_maxpivot) m_maxpivot = internal::abs(beta); + if(abs(beta) > m_maxpivot) m_maxpivot = abs(beta); m_qr.bottomRightCorner(rows-k, cols-k-1) .applyHouseholderOnTheLeft(m_qr.col(k).tail(rows-k-1), m_hCoeffs.coeffRef(k), &m_temp.coeffRef(k+1)); @@ -544,6 +547,7 @@ public: template <typename ResultType> void evalTo(ResultType& result, WorkVectorType& workspace) const { + using internal::conj; // compute the product H'_0 H'_1 ... H'_n-1, // where H_k is the k-th Householder transformation I - h_k v_k v_k' // and v_k is the k-th Householder vector [1,m_qr(k+1,k), m_qr(k+2,k), ...] @@ -555,7 +559,7 @@ public: for (Index k = size-1; k >= 0; k--) { result.block(k, k, rows-k, rows-k) - .applyHouseholderOnTheLeft(m_qr.col(k).tail(rows-k-1), internal::conj(m_hCoeffs.coeff(k)), &workspace.coeffRef(k)); + .applyHouseholderOnTheLeft(m_qr.col(k).tail(rows-k-1), conj(m_hCoeffs.coeff(k)), &workspace.coeffRef(k)); result.row(k).swap(result.row(m_rowsTranspositions.coeff(k))); } } |