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Modified Eigen CommaInitializer with our expression patch

release/4.3a0
Richard Roberts 2013-12-16 21:32:56 +00:00
parent f664df729c
commit b88dcfe32b
1 changed files with 77 additions and 3 deletions
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80
gtsam/3rdparty/Eigen/Eigen/src/Core/CommaInitializer.h vendored
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@ -25,10 +25,14 @@ namespace Eigen {
* \sa \ref MatrixBaseCommaInitRef "MatrixBase::operator<<", CommaInitializer::finished()
*/
template<typename XprType>
struct CommaInitializer
struct CommaInitializer :
public internal::dense_xpr_base<CommaInitializer<XprType> >::type
{
typedef typename XprType::Scalar Scalar;
typedef typename XprType::Index Index;
typedef typename internal::dense_xpr_base<CommaInitializer<XprType> >::type Base;
EIGEN_DENSE_PUBLIC_INTERFACE(CommaInitializer)
typedef typename internal::conditional<internal::must_nest_by_value<XprType>::ret,
XprType, const XprType&>::type ExpressionTypeNested;
typedef typename XprType::InnerIterator InnerIterator;
inline CommaInitializer(XprType& xpr, const Scalar& s)
: m_xpr(xpr), m_row(0), m_col(1), m_currentBlockRows(1)
@ -104,11 +108,81 @@ struct CommaInitializer
*/
inline XprType& finished() { return m_xpr; }
// The following implement the DenseBase interface
inline Index rows() const { return m_xpr.rows(); }
inline Index cols() const { return m_xpr.cols(); }
inline Index outerStride() const { return m_xpr.outerStride(); }
inline Index innerStride() const { return m_xpr.innerStride(); }
inline CoeffReturnType coeff(Index row, Index col) const
{
return m_xpr.coeff(row, col);
}
inline CoeffReturnType coeff(Index index) const
{
return m_xpr.coeff(index);
}
inline const Scalar& coeffRef(Index row, Index col) const
{
return m_xpr.const_cast_derived().coeffRef(row, col);
}
inline const Scalar& coeffRef(Index index) const
{
return m_xpr.const_cast_derived().coeffRef(index);
}
inline Scalar& coeffRef(Index row, Index col)
{
return m_xpr.const_cast_derived().coeffRef(row, col);
}
inline Scalar& coeffRef(Index index)
{
return m_xpr.const_cast_derived().coeffRef(index);
}
template<int LoadMode>
inline const PacketScalar packet(Index row, Index col) const
{
return m_xpr.template packet<LoadMode>(row, col);
}
template<int LoadMode>
inline void writePacket(Index row, Index col, const PacketScalar& x)
{
m_xpr.const_cast_derived().template writePacket<LoadMode>(row, col, x);
}
template<int LoadMode>
inline const PacketScalar packet(Index index) const
{
return m_xpr.template packet<LoadMode>(index);
}
template<int LoadMode>
inline void writePacket(Index index, const PacketScalar& x)
{
m_xpr.const_cast_derived().template writePacket<LoadMode>(index, x);
}
const XprType& _expression() const { return m_xpr; }
XprType& m_xpr; // target expression
Index m_row; // current row id
Index m_col; // current col id
Index m_currentBlockRows; // current block height
};
namespace internal {
template<typename XprType>
struct traits<CommaInitializer<XprType> > : traits<XprType>
{
};
}
/** \anchor MatrixBaseCommaInitRef
* Convenient operator to set the coefficients of a matrix.