Eigen::FABSum< Scalar, Width > Class Template Reference

Public Member Functions
void	operator+= (Scalar increment)
Scalar	value ()

Private Attributes
Matrix< Scalar, Width, 1 >	_block
Index	_blockUsed
KahanSum< Scalar >	_totalSum

Detailed Description

template<typename Scalar, Index Width = 16>
class Eigen::FABSum< Scalar, Width >

Definition at line 50 of file SparseInverse.h.

Member Function Documentation

operator+=()

template<typename Scalar , Index Width = 16>

void Eigen::FABSum< Scalar, Width >::operator+= ( Scalar  increment )

inline

Definition at line 63 of file SparseInverse.h.

                                    {
    _block(_blockUsed++, 0) = increment;
    if (_blockUsed == Width) {
      _totalSum += _block.sum();
      _blockUsed = 0;
    }
  }

value()

template<typename Scalar , Index Width = 16>

Scalar Eigen::FABSum< Scalar, Width >::value ( )

inline

Definition at line 61 of file SparseInverse.h.

{ return _block.topRows(_blockUsed).sum() + _totalSum.value(); }

Member Data Documentation

_block

template<typename Scalar , Index Width = 16>

Matrix<Scalar, Width, 1> Eigen::FABSum< Scalar, Width >::_block

private

Definition at line 57 of file SparseInverse.h.

_blockUsed

template<typename Scalar , Index Width = 16>

Index Eigen::FABSum< Scalar, Width >::_blockUsed

private

Definition at line 58 of file SparseInverse.h.

_totalSum

template<typename Scalar , Index Width = 16>

KahanSum<Scalar> Eigen::FABSum< Scalar, Width >::_totalSum

private

Definition at line 56 of file SparseInverse.h.

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The documentation for this class was generated from the following file:

• SparseInverse.h