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

#include <SparseInverse.h>

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

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

Member Function Documentation

operator+=()

template<typename Scalar , Index Width = 16>

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

inline

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

References Eigen::FABSum< Scalar, Width >::_block, Eigen::FABSum< Scalar, Width >::_blockUsed, and Eigen::FABSum< Scalar, Width >::_totalSum.

value()

template<typename Scalar , Index Width = 16>

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

inline

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

References Eigen::FABSum< Scalar, Width >::_block, Eigen::FABSum< Scalar, Width >::_blockUsed, and Eigen::FABSum< Scalar, Width >::_totalSum.

Member Data Documentation

_block

template<typename Scalar , Index Width = 16>

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

private

Referenced by Eigen::FABSum< Scalar, Width >::operator+=(), and Eigen::FABSum< Scalar, Width >::value().

_blockUsed

template<typename Scalar , Index Width = 16>

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

private

Referenced by Eigen::FABSum< Scalar, Width >::operator+=(), and Eigen::FABSum< Scalar, Width >::value().

_totalSum

template<typename Scalar , Index Width = 16>

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

private

Referenced by Eigen::FABSum< Scalar, Width >::operator+=(), and Eigen::FABSum< Scalar, Width >::value().

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

• SparseInverse.h