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-rw-r--r--Eigen/src/Core/Block.h172
1 files changed, 86 insertions, 86 deletions
diff --git a/Eigen/src/Core/Block.h b/Eigen/src/Core/Block.h
index ac8f20fa2..d0e6d4ee8 100644
--- a/Eigen/src/Core/Block.h
+++ b/Eigen/src/Core/Block.h
@@ -30,7 +30,7 @@
*
* \brief Expression of a fixed-size or dynamic-size block
*
- * \param MatrixType the type of the object in which we are taking a block
+ * \param XprType the type of the expression in which we are taking a block
* \param BlockRows the number of rows of the block we are taking at compile time (optional)
* \param BlockCols the number of columns of the block we are taking at compile time (optional)
* \param _DirectAccessStatus \internal used for partial specialization
@@ -47,7 +47,7 @@
* \include class_Block.cpp
* Output: \verbinclude class_Block.out
*
- * \note Even though this expression has dynamic size, in the case where \a MatrixType
+ * \note Even though this expression has dynamic size, in the case where \a XprType
* has fixed size, this expression inherits a fixed maximal size which means that evaluating
* it does not cause a dynamic memory allocation.
*
@@ -57,99 +57,99 @@
*
* \sa DenseBase::block(int,int,int,int), DenseBase::block(int,int), class VectorBlock
*/
-template<typename MatrixType, int BlockRows, int BlockCols, int _DirectAccessStatus>
-struct ei_traits<Block<MatrixType, BlockRows, BlockCols, _DirectAccessStatus> > : ei_traits<MatrixType>
+template<typename XprType, int BlockRows, int BlockCols, int _DirectAccessStatus>
+struct ei_traits<Block<XprType, BlockRows, BlockCols, _DirectAccessStatus> > : ei_traits<XprType>
{
- typedef typename ei_traits<MatrixType>::Scalar Scalar;
- typedef typename ei_traits<MatrixType>::StorageKind StorageKind;
- typedef typename ei_traits<MatrixType>::XprKind XprKind;
- typedef typename ei_nested<MatrixType>::type MatrixTypeNested;
- typedef typename ei_unref<MatrixTypeNested>::type _MatrixTypeNested;
+ typedef typename ei_traits<XprType>::Scalar Scalar;
+ typedef typename ei_traits<XprType>::StorageKind StorageKind;
+ typedef typename ei_traits<XprType>::XprKind XprKind;
+ typedef typename ei_nested<XprType>::type XprTypeNested;
+ typedef typename ei_unref<XprTypeNested>::type _XprTypeNested;
enum{
- MatrixRows = ei_traits<MatrixType>::RowsAtCompileTime,
- MatrixCols = ei_traits<MatrixType>::ColsAtCompileTime,
+ MatrixRows = ei_traits<XprType>::RowsAtCompileTime,
+ MatrixCols = ei_traits<XprType>::ColsAtCompileTime,
RowsAtCompileTime = MatrixRows == 0 ? 0 : BlockRows,
ColsAtCompileTime = MatrixCols == 0 ? 0 : BlockCols,
MaxRowsAtCompileTime = BlockRows==0 ? 0
: RowsAtCompileTime != Dynamic ? int(RowsAtCompileTime)
- : int(ei_traits<MatrixType>::MaxRowsAtCompileTime),
+ : int(ei_traits<XprType>::MaxRowsAtCompileTime),
MaxColsAtCompileTime = BlockCols==0 ? 0
: ColsAtCompileTime != Dynamic ? int(ColsAtCompileTime)
- : int(ei_traits<MatrixType>::MaxColsAtCompileTime),
- MatrixTypeIsRowMajor = (int(ei_traits<MatrixType>::Flags)&RowMajorBit) != 0,
+ : int(ei_traits<XprType>::MaxColsAtCompileTime),
+ XprTypeIsRowMajor = (int(ei_traits<XprType>::Flags)&RowMajorBit) != 0,
IsRowMajor = (MaxRowsAtCompileTime==1&&MaxColsAtCompileTime!=1) ? 1
: (MaxColsAtCompileTime==1&&MaxRowsAtCompileTime!=1) ? 0
- : MatrixTypeIsRowMajor,
- HasSameStorageOrderAsMatrixType = (IsRowMajor == MatrixTypeIsRowMajor),
- InnerSize = MatrixTypeIsRowMajor // notice how it's MatrixTypeIsRowMajor here, not IsRowMajor. Inner size is computed wrt the host matrix's storage order.
+ : XprTypeIsRowMajor,
+ HasSameStorageOrderAsXprType = (IsRowMajor == XprTypeIsRowMajor),
+ InnerSize = XprTypeIsRowMajor // notice how it's XprTypeIsRowMajor here, not IsRowMajor. Inner size is computed wrt the host matrix's storage order.
? int(ColsAtCompileTime) : int(RowsAtCompileTime),
- InnerStrideAtCompileTime = HasSameStorageOrderAsMatrixType
- ? int(ei_inner_stride_at_compile_time<MatrixType>::ret)
- : int(ei_outer_stride_at_compile_time<MatrixType>::ret),
- OuterStrideAtCompileTime = HasSameStorageOrderAsMatrixType
- ? int(ei_outer_stride_at_compile_time<MatrixType>::ret)
- : int(ei_inner_stride_at_compile_time<MatrixType>::ret),
+ InnerStrideAtCompileTime = HasSameStorageOrderAsXprType
+ ? int(ei_inner_stride_at_compile_time<XprType>::ret)
+ : int(ei_outer_stride_at_compile_time<XprType>::ret),
+ OuterStrideAtCompileTime = HasSameStorageOrderAsXprType
+ ? int(ei_outer_stride_at_compile_time<XprType>::ret)
+ : int(ei_inner_stride_at_compile_time<XprType>::ret),
MaskPacketAccessBit = (InnerSize == Dynamic || (InnerSize % ei_packet_traits<Scalar>::size) == 0)
&& (InnerStrideAtCompileTime == 1)
? PacketAccessBit : 0,
FlagsLinearAccessBit = (RowsAtCompileTime == 1 || ColsAtCompileTime == 1) ? LinearAccessBit : 0,
- Flags0 = ei_traits<MatrixType>::Flags & (HereditaryBits | MaskPacketAccessBit | DirectAccessBit),
+ Flags0 = ei_traits<XprType>::Flags & (HereditaryBits | MaskPacketAccessBit | DirectAccessBit),
Flags1 = Flags0 | FlagsLinearAccessBit,
Flags = (Flags1 & ~RowMajorBit) | (IsRowMajor ? RowMajorBit : 0)
};
};
-template<typename MatrixType, int BlockRows, int BlockCols, int _DirectAccessStatus> class Block
- : public ei_dense_xpr_base<Block<MatrixType, BlockRows, BlockCols, _DirectAccessStatus> >::type
+template<typename XprType, int BlockRows, int BlockCols, int _DirectAccessStatus> class Block
+ : public ei_dense_xpr_base<Block<XprType, BlockRows, BlockCols, _DirectAccessStatus> >::type
{
public:
- typedef typename MatrixType::template MakeBase< Block<MatrixType, BlockRows, BlockCols, _DirectAccessStatus> >::Type Base;
+ typedef typename XprType::template MakeBase< Block<XprType, BlockRows, BlockCols, _DirectAccessStatus> >::Type Base;
EIGEN_DENSE_PUBLIC_INTERFACE(Block)
class InnerIterator;
/** Column or Row constructor
*/
- inline Block(const MatrixType& matrix, int i)
- : m_matrix(matrix),
- // It is a row if and only if BlockRows==1 and BlockCols==MatrixType::ColsAtCompileTime,
- // and it is a column if and only if BlockRows==MatrixType::RowsAtCompileTime and BlockCols==1,
+ inline Block(const XprType& xpr, int i)
+ : m_xpr(xpr),
+ // It is a row if and only if BlockRows==1 and BlockCols==XprType::ColsAtCompileTime,
+ // and it is a column if and only if BlockRows==XprType::RowsAtCompileTime and BlockCols==1,
// all other cases are invalid.
// The case a 1x1 matrix seems ambiguous, but the result is the same anyway.
- m_startRow( (BlockRows==1) && (BlockCols==MatrixType::ColsAtCompileTime) ? i : 0),
- m_startCol( (BlockRows==MatrixType::RowsAtCompileTime) && (BlockCols==1) ? i : 0),
- m_blockRows(BlockRows==1 ? 1 : matrix.rows()),
- m_blockCols(BlockCols==1 ? 1 : matrix.cols())
+ m_startRow( (BlockRows==1) && (BlockCols==XprType::ColsAtCompileTime) ? i : 0),
+ m_startCol( (BlockRows==XprType::RowsAtCompileTime) && (BlockCols==1) ? i : 0),
+ m_blockRows(BlockRows==1 ? 1 : xpr.rows()),
+ m_blockCols(BlockCols==1 ? 1 : xpr.cols())
{
ei_assert( (i>=0) && (
- ((BlockRows==1) && (BlockCols==MatrixType::ColsAtCompileTime) && i<matrix.rows())
- ||((BlockRows==MatrixType::RowsAtCompileTime) && (BlockCols==1) && i<matrix.cols())));
+ ((BlockRows==1) && (BlockCols==XprType::ColsAtCompileTime) && i<xpr.rows())
+ ||((BlockRows==XprType::RowsAtCompileTime) && (BlockCols==1) && i<xpr.cols())));
}
/** Fixed-size constructor
*/
- inline Block(const MatrixType& matrix, int startRow, int startCol)
- : m_matrix(matrix), m_startRow(startRow), m_startCol(startCol),
+ inline Block(const XprType& xpr, int startRow, int startCol)
+ : m_xpr(xpr), m_startRow(startRow), m_startCol(startCol),
m_blockRows(BlockRows), m_blockCols(BlockCols)
{
EIGEN_STATIC_ASSERT(RowsAtCompileTime!=Dynamic && ColsAtCompileTime!=Dynamic,THIS_METHOD_IS_ONLY_FOR_FIXED_SIZE)
- ei_assert(startRow >= 0 && BlockRows >= 1 && startRow + BlockRows <= matrix.rows()
- && startCol >= 0 && BlockCols >= 1 && startCol + BlockCols <= matrix.cols());
+ ei_assert(startRow >= 0 && BlockRows >= 1 && startRow + BlockRows <= xpr.rows()
+ && startCol >= 0 && BlockCols >= 1 && startCol + BlockCols <= xpr.cols());
}
/** Dynamic-size constructor
*/
- inline Block(const MatrixType& matrix,
+ inline Block(const XprType& xpr,
int startRow, int startCol,
int blockRows, int blockCols)
- : m_matrix(matrix), m_startRow(startRow), m_startCol(startCol),
+ : m_xpr(xpr), m_startRow(startRow), m_startCol(startCol),
m_blockRows(blockRows), m_blockCols(blockCols)
{
ei_assert((RowsAtCompileTime==Dynamic || RowsAtCompileTime==blockRows)
&& (ColsAtCompileTime==Dynamic || ColsAtCompileTime==blockCols));
- ei_assert(startRow >= 0 && blockRows >= 0 && startRow + blockRows <= matrix.rows()
- && startCol >= 0 && blockCols >= 0 && startCol + blockCols <= matrix.cols());
+ ei_assert(startRow >= 0 && blockRows >= 0 && startRow + blockRows <= xpr.rows()
+ && startCol >= 0 && blockCols >= 0 && startCol + blockCols <= xpr.cols());
}
EIGEN_INHERIT_ASSIGNMENT_OPERATORS(Block)
@@ -159,25 +159,25 @@ template<typename MatrixType, int BlockRows, int BlockCols, int _DirectAccessSta
inline Scalar& coeffRef(int row, int col)
{
- return m_matrix.const_cast_derived()
+ return m_xpr.const_cast_derived()
.coeffRef(row + m_startRow.value(), col + m_startCol.value());
}
inline const CoeffReturnType coeff(int row, int col) const
{
- return m_matrix.coeff(row + m_startRow.value(), col + m_startCol.value());
+ return m_xpr.coeff(row + m_startRow.value(), col + m_startCol.value());
}
inline Scalar& coeffRef(int index)
{
- return m_matrix.const_cast_derived()
+ return m_xpr.const_cast_derived()
.coeffRef(m_startRow.value() + (RowsAtCompileTime == 1 ? 0 : index),
m_startCol.value() + (RowsAtCompileTime == 1 ? index : 0));
}
inline const CoeffReturnType coeff(int index) const
{
- return m_matrix
+ return m_xpr
.coeff(m_startRow.value() + (RowsAtCompileTime == 1 ? 0 : index),
m_startCol.value() + (RowsAtCompileTime == 1 ? index : 0));
}
@@ -185,21 +185,21 @@ template<typename MatrixType, int BlockRows, int BlockCols, int _DirectAccessSta
template<int LoadMode>
inline PacketScalar packet(int row, int col) const
{
- return m_matrix.template packet<Unaligned>
+ return m_xpr.template packet<Unaligned>
(row + m_startRow.value(), col + m_startCol.value());
}
template<int LoadMode>
inline void writePacket(int row, int col, const PacketScalar& x)
{
- m_matrix.const_cast_derived().template writePacket<Unaligned>
+ m_xpr.const_cast_derived().template writePacket<Unaligned>
(row + m_startRow.value(), col + m_startCol.value(), x);
}
template<int LoadMode>
inline PacketScalar packet(int index) const
{
- return m_matrix.template packet<Unaligned>
+ return m_xpr.template packet<Unaligned>
(m_startRow.value() + (RowsAtCompileTime == 1 ? 0 : index),
m_startCol.value() + (RowsAtCompileTime == 1 ? index : 0));
}
@@ -207,7 +207,7 @@ template<typename MatrixType, int BlockRows, int BlockCols, int _DirectAccessSta
template<int LoadMode>
inline void writePacket(int index, const PacketScalar& x)
{
- m_matrix.const_cast_derived().template writePacket<Unaligned>
+ m_xpr.const_cast_derived().template writePacket<Unaligned>
(m_startRow.value() + (RowsAtCompileTime == 1 ? 0 : index),
m_startCol.value() + (RowsAtCompileTime == 1 ? index : 0), x);
}
@@ -221,17 +221,17 @@ template<typename MatrixType, int BlockRows, int BlockCols, int _DirectAccessSta
protected:
- const typename MatrixType::Nested m_matrix;
- const ei_int_if_dynamic<MatrixType::RowsAtCompileTime == 1 ? 0 : Dynamic> m_startRow;
- const ei_int_if_dynamic<MatrixType::ColsAtCompileTime == 1 ? 0 : Dynamic> m_startCol;
+ const typename XprType::Nested m_xpr;
+ const ei_int_if_dynamic<XprType::RowsAtCompileTime == 1 ? 0 : Dynamic> m_startRow;
+ const ei_int_if_dynamic<XprType::ColsAtCompileTime == 1 ? 0 : Dynamic> m_startCol;
const ei_int_if_dynamic<RowsAtCompileTime> m_blockRows;
const ei_int_if_dynamic<ColsAtCompileTime> m_blockCols;
};
/** \internal */
-template<typename MatrixType, int BlockRows, int BlockCols>
-class Block<MatrixType,BlockRows,BlockCols,HasDirectAccess>
- : public MapBase<Block<MatrixType, BlockRows, BlockCols,HasDirectAccess> >
+template<typename XprType, int BlockRows, int BlockCols>
+class Block<XprType,BlockRows,BlockCols,HasDirectAccess>
+ : public MapBase<Block<XprType, BlockRows, BlockCols,HasDirectAccess> >
{
public:
@@ -242,56 +242,56 @@ class Block<MatrixType,BlockRows,BlockCols,HasDirectAccess>
/** Column or Row constructor
*/
- inline Block(const MatrixType& matrix, int i)
- : Base(&matrix.const_cast_derived().coeffRef(
- (BlockRows==1) && (BlockCols==MatrixType::ColsAtCompileTime) ? i : 0,
- (BlockRows==MatrixType::RowsAtCompileTime) && (BlockCols==1) ? i : 0),
- BlockRows==1 ? 1 : matrix.rows(),
- BlockCols==1 ? 1 : matrix.cols()),
- m_matrix(matrix)
+ inline Block(const XprType& xpr, int i)
+ : Base(&xpr.const_cast_derived().coeffRef(
+ (BlockRows==1) && (BlockCols==XprType::ColsAtCompileTime) ? i : 0,
+ (BlockRows==XprType::RowsAtCompileTime) && (BlockCols==1) ? i : 0),
+ BlockRows==1 ? 1 : xpr.rows(),
+ BlockCols==1 ? 1 : xpr.cols()),
+ m_xpr(xpr)
{
ei_assert( (i>=0) && (
- ((BlockRows==1) && (BlockCols==MatrixType::ColsAtCompileTime) && i<matrix.rows())
- ||((BlockRows==MatrixType::RowsAtCompileTime) && (BlockCols==1) && i<matrix.cols())));
+ ((BlockRows==1) && (BlockCols==XprType::ColsAtCompileTime) && i<xpr.rows())
+ ||((BlockRows==XprType::RowsAtCompileTime) && (BlockCols==1) && i<xpr.cols())));
}
/** Fixed-size constructor
*/
- inline Block(const MatrixType& matrix, int startRow, int startCol)
- : Base(&matrix.const_cast_derived().coeffRef(startRow,startCol)), m_matrix(matrix)
+ inline Block(const XprType& xpr, int startRow, int startCol)
+ : Base(&xpr.const_cast_derived().coeffRef(startRow,startCol)), m_xpr(xpr)
{
- ei_assert(startRow >= 0 && BlockRows >= 1 && startRow + BlockRows <= matrix.rows()
- && startCol >= 0 && BlockCols >= 1 && startCol + BlockCols <= matrix.cols());
+ ei_assert(startRow >= 0 && BlockRows >= 1 && startRow + BlockRows <= xpr.rows()
+ && startCol >= 0 && BlockCols >= 1 && startCol + BlockCols <= xpr.cols());
}
/** Dynamic-size constructor
*/
- inline Block(const MatrixType& matrix,
+ inline Block(const XprType& xpr,
int startRow, int startCol,
int blockRows, int blockCols)
- : Base(&matrix.const_cast_derived().coeffRef(startRow,startCol), blockRows, blockCols),
- m_matrix(matrix)
+ : Base(&xpr.const_cast_derived().coeffRef(startRow,startCol), blockRows, blockCols),
+ m_xpr(xpr)
{
ei_assert((RowsAtCompileTime==Dynamic || RowsAtCompileTime==blockRows)
&& (ColsAtCompileTime==Dynamic || ColsAtCompileTime==blockCols));
- ei_assert(startRow >= 0 && blockRows >= 0 && startRow + blockRows <= matrix.rows()
- && startCol >= 0 && blockCols >= 0 && startCol + blockCols <= matrix.cols());
+ ei_assert(startRow >= 0 && blockRows >= 0 && startRow + blockRows <= xpr.rows()
+ && startCol >= 0 && blockCols >= 0 && startCol + blockCols <= xpr.cols());
}
/** \sa MapBase::innerStride() */
inline int innerStride() const
{
- return ei_traits<Block>::HasSameStorageOrderAsMatrixType
- ? m_matrix.innerStride()
- : m_matrix.outerStride();
+ return ei_traits<Block>::HasSameStorageOrderAsXprType
+ ? m_xpr.innerStride()
+ : m_xpr.outerStride();
}
/** \sa MapBase::outerStride() */
inline int outerStride() const
{
- return ei_traits<Block>::HasSameStorageOrderAsMatrixType
- ? m_matrix.outerStride()
- : m_matrix.innerStride();
+ return ei_traits<Block>::HasSameStorageOrderAsXprType
+ ? m_xpr.outerStride()
+ : m_xpr.innerStride();
}
#ifndef __SUNPRO_CC
@@ -302,13 +302,13 @@ class Block<MatrixType,BlockRows,BlockCols,HasDirectAccess>
#ifndef EIGEN_PARSED_BY_DOXYGEN
/** \internal used by allowAligned() */
- inline Block(const MatrixType& matrix, const Scalar* data, int blockRows, int blockCols)
- : Base(data, blockRows, blockCols), m_matrix(matrix)
+ inline Block(const XprType& xpr, const Scalar* data, int blockRows, int blockCols)
+ : Base(data, blockRows, blockCols), m_xpr(xpr)
{}
#endif
protected:
- const typename MatrixType::Nested m_matrix;
+ const typename XprType::Nested m_xpr;
};
/** \returns a dynamic-size expression of a block in *this.
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-12 17:29:27 +0000