summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/eigen/Eigen/src/Core/Replicate.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/eigen/Eigen/src/Core/Replicate.h')
-rw-r--r--src/3rdparty/eigen/Eigen/src/Core/Replicate.h142
1 files changed, 142 insertions, 0 deletions
diff --git a/src/3rdparty/eigen/Eigen/src/Core/Replicate.h b/src/3rdparty/eigen/Eigen/src/Core/Replicate.h
new file mode 100644
index 000000000..ab5be7e64
--- /dev/null
+++ b/src/3rdparty/eigen/Eigen/src/Core/Replicate.h
@@ -0,0 +1,142 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2009-2010 Gael Guennebaud <gael.guennebaud@inria.fr>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef EIGEN_REPLICATE_H
+#define EIGEN_REPLICATE_H
+
+namespace Eigen {
+
+namespace internal {
+template<typename MatrixType,int RowFactor,int ColFactor>
+struct traits<Replicate<MatrixType,RowFactor,ColFactor> >
+ : traits<MatrixType>
+{
+ typedef typename MatrixType::Scalar Scalar;
+ typedef typename traits<MatrixType>::StorageKind StorageKind;
+ typedef typename traits<MatrixType>::XprKind XprKind;
+ typedef typename ref_selector<MatrixType>::type MatrixTypeNested;
+ typedef typename remove_reference<MatrixTypeNested>::type _MatrixTypeNested;
+ enum {
+ RowsAtCompileTime = RowFactor==Dynamic || int(MatrixType::RowsAtCompileTime)==Dynamic
+ ? Dynamic
+ : RowFactor * MatrixType::RowsAtCompileTime,
+ ColsAtCompileTime = ColFactor==Dynamic || int(MatrixType::ColsAtCompileTime)==Dynamic
+ ? Dynamic
+ : ColFactor * MatrixType::ColsAtCompileTime,
+ //FIXME we don't propagate the max sizes !!!
+ MaxRowsAtCompileTime = RowsAtCompileTime,
+ MaxColsAtCompileTime = ColsAtCompileTime,
+ IsRowMajor = MaxRowsAtCompileTime==1 && MaxColsAtCompileTime!=1 ? 1
+ : MaxColsAtCompileTime==1 && MaxRowsAtCompileTime!=1 ? 0
+ : (MatrixType::Flags & RowMajorBit) ? 1 : 0,
+
+ // FIXME enable DirectAccess with negative strides?
+ Flags = IsRowMajor ? RowMajorBit : 0
+ };
+};
+}
+
+/**
+ * \class Replicate
+ * \ingroup Core_Module
+ *
+ * \brief Expression of the multiple replication of a matrix or vector
+ *
+ * \tparam MatrixType the type of the object we are replicating
+ * \tparam RowFactor number of repetitions at compile time along the vertical direction, can be Dynamic.
+ * \tparam ColFactor number of repetitions at compile time along the horizontal direction, can be Dynamic.
+ *
+ * This class represents an expression of the multiple replication of a matrix or vector.
+ * It is the return type of DenseBase::replicate() and most of the time
+ * this is the only way it is used.
+ *
+ * \sa DenseBase::replicate()
+ */
+template<typename MatrixType,int RowFactor,int ColFactor> class Replicate
+ : public internal::dense_xpr_base< Replicate<MatrixType,RowFactor,ColFactor> >::type
+{
+ typedef typename internal::traits<Replicate>::MatrixTypeNested MatrixTypeNested;
+ typedef typename internal::traits<Replicate>::_MatrixTypeNested _MatrixTypeNested;
+ public:
+
+ typedef typename internal::dense_xpr_base<Replicate>::type Base;
+ EIGEN_DENSE_PUBLIC_INTERFACE(Replicate)
+ typedef typename internal::remove_all<MatrixType>::type NestedExpression;
+
+ template<typename OriginalMatrixType>
+ EIGEN_DEVICE_FUNC
+ inline explicit Replicate(const OriginalMatrixType& matrix)
+ : m_matrix(matrix), m_rowFactor(RowFactor), m_colFactor(ColFactor)
+ {
+ EIGEN_STATIC_ASSERT((internal::is_same<typename internal::remove_const<MatrixType>::type,OriginalMatrixType>::value),
+ THE_MATRIX_OR_EXPRESSION_THAT_YOU_PASSED_DOES_NOT_HAVE_THE_EXPECTED_TYPE)
+ eigen_assert(RowFactor!=Dynamic && ColFactor!=Dynamic);
+ }
+
+ template<typename OriginalMatrixType>
+ EIGEN_DEVICE_FUNC
+ inline Replicate(const OriginalMatrixType& matrix, Index rowFactor, Index colFactor)
+ : m_matrix(matrix), m_rowFactor(rowFactor), m_colFactor(colFactor)
+ {
+ EIGEN_STATIC_ASSERT((internal::is_same<typename internal::remove_const<MatrixType>::type,OriginalMatrixType>::value),
+ THE_MATRIX_OR_EXPRESSION_THAT_YOU_PASSED_DOES_NOT_HAVE_THE_EXPECTED_TYPE)
+ }
+
+ EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR
+ inline Index rows() const { return m_matrix.rows() * m_rowFactor.value(); }
+ EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR
+ inline Index cols() const { return m_matrix.cols() * m_colFactor.value(); }
+
+ EIGEN_DEVICE_FUNC
+ const _MatrixTypeNested& nestedExpression() const
+ {
+ return m_matrix;
+ }
+
+ protected:
+ MatrixTypeNested m_matrix;
+ const internal::variable_if_dynamic<Index, RowFactor> m_rowFactor;
+ const internal::variable_if_dynamic<Index, ColFactor> m_colFactor;
+};
+
+/**
+ * \return an expression of the replication of \c *this
+ *
+ * Example: \include MatrixBase_replicate.cpp
+ * Output: \verbinclude MatrixBase_replicate.out
+ *
+ * \sa VectorwiseOp::replicate(), DenseBase::replicate(Index,Index), class Replicate
+ */
+template<typename Derived>
+template<int RowFactor, int ColFactor>
+EIGEN_DEVICE_FUNC const Replicate<Derived,RowFactor,ColFactor>
+DenseBase<Derived>::replicate() const
+{
+ return Replicate<Derived,RowFactor,ColFactor>(derived());
+}
+
+/**
+ * \return an expression of the replication of each column (or row) of \c *this
+ *
+ * Example: \include DirectionWise_replicate_int.cpp
+ * Output: \verbinclude DirectionWise_replicate_int.out
+ *
+ * \sa VectorwiseOp::replicate(), DenseBase::replicate(), class Replicate
+ */
+template<typename ExpressionType, int Direction>
+EIGEN_DEVICE_FUNC const typename VectorwiseOp<ExpressionType,Direction>::ReplicateReturnType
+VectorwiseOp<ExpressionType,Direction>::replicate(Index factor) const
+{
+ return typename VectorwiseOp<ExpressionType,Direction>::ReplicateReturnType
+ (_expression(),Direction==Vertical?factor:1,Direction==Horizontal?factor:1);
+}
+
+} // end namespace Eigen
+
+#endif // EIGEN_REPLICATE_H