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Enable CompleteOrthogonalDecomposition::pseudoInverse with non-square fixed-size matrices.

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This commit is contained in:
Gael Guennebaud
2019-11-13 21:16:53 +01:00
parent 002e5b6db6
commit 8496f86f84
4 changed files with 22 additions and 7 deletions
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7
Eigen/src/Core/Inverse.h
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@@ -1,7 +1,7 @@
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2014 Gael Guennebaud <gael.guennebaud@inria.fr>
// Copyright (C) 2014-2019 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
@@ -44,7 +44,6 @@ class Inverse : public InverseImpl<XprType,typename internal::traits<XprType>::S
{
public:
typedef typename XprType::StorageIndex StorageIndex;
typedef typename XprType::PlainObject PlainObject;
typedef typename XprType::Scalar Scalar;
typedef typename internal::ref_selector<XprType>::type XprTypeNested;
typedef typename internal::remove_all<XprTypeNested>::type XprTypeNestedCleaned;
@@ -55,8 +54,8 @@ public:
: m_xpr(xpr)
{}
EIGEN_DEVICE_FUNC Index rows() const { return m_xpr.rows(); }
EIGEN_DEVICE_FUNC Index cols() const { return m_xpr.cols(); }
EIGEN_DEVICE_FUNC Index rows() const { return m_xpr.cols(); }
EIGEN_DEVICE_FUNC Index cols() const { return m_xpr.rows(); }
EIGEN_DEVICE_FUNC const XprTypeNestedCleaned& nestedExpression() const { return m_xpr; }

10
Eigen/src/QR/CompleteOrthogonalDecomposition.h
View File

@@ -592,6 +592,13 @@ void CompleteOrthogonalDecomposition<_MatrixType>::_solve_impl_transposed(const
namespace internal {
template<typename MatrixType>
struct traits<Inverse<CompleteOrthogonalDecomposition<MatrixType> > >
: traits<typename Transpose<typename MatrixType::PlainObject>::PlainObject>
{
enum { Flags = 0 };
};
template<typename DstXprType, typename MatrixType>
struct Assignment<DstXprType, Inverse<CompleteOrthogonalDecomposition<MatrixType> >, internal::assign_op<typename DstXprType::Scalar,typename CompleteOrthogonalDecomposition<MatrixType>::Scalar>, Dense2Dense>
{
@@ -599,7 +606,8 @@ struct Assignment<DstXprType, Inverse<CompleteOrthogonalDecomposition<MatrixType
typedef Inverse<CodType> SrcXprType;
static void run(DstXprType &dst, const SrcXprType &src, const internal::assign_op<typename DstXprType::Scalar,typename CodType::Scalar> &)
{
dst = src.nestedExpression().solve(MatrixType::Identity(src.rows(), src.rows()));
typedef Matrix<typename CodType::Scalar, CodType::RowsAtCompileTime, CodType::RowsAtCompileTime, 0, CodType::MaxRowsAtCompileTime, CodType::MaxRowsAtCompileTime> IdentityMatrixType;
dst = src.nestedExpression().solve(IdentityMatrixType::Identity(src.cols(), src.cols()));
}
};