1 files changed, 0 insertions, 89 deletions
diff --git a/third_party/eigen3/Eigen/src/Core/ReturnByValue.h b/third_party/eigen3/Eigen/src/Core/ReturnByValue.h
deleted file mode 100644
index 7834f6cbcd..0000000000
--- a/third_party/eigen3/Eigen/src/Core/ReturnByValue.h
+++ /dev/null
@@ -1,89 +0,0 @@
-// This file is part of Eigen, a lightweight C++ template library
-// for linear algebra.
-//
-// Copyright (C) 2009-2010 Gael Guennebaud <gael.guennebaud@inria.fr>
-// Copyright (C) 2009-2010 Benoit Jacob <jacob.benoit.1@gmail.com>
-//
-// 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_RETURNBYVALUE_H
-#define EIGEN_RETURNBYVALUE_H
-
-namespace Eigen {
-
-/** \class ReturnByValue
-  * \ingroup Core_Module
-  *
-  */
-
-namespace internal {
-
-template<typename Derived>
-struct traits<ReturnByValue<Derived> >
-  : public traits<typename traits<Derived>::ReturnType>
-{
-  enum {
-    // We're disabling the DirectAccess because e.g. the constructor of
-    // the Block-with-DirectAccess expression requires to have a coeffRef method.
-    // Also, we don't want to have to implement the stride stuff.
-    Flags = (traits<typename traits<Derived>::ReturnType>::Flags
-             | EvalBeforeNestingBit) & ~DirectAccessBit
-  };
-};
-
-/* The ReturnByValue object doesn't even have a coeff() method.
- * So the only way that nesting it in an expression can work, is by evaluating it into a plain matrix.
- * So internal::nested always gives the plain return matrix type.
- *
- * FIXME: I don't understand why we need this specialization: isn't this taken care of by the EvalBeforeNestingBit ??
- */
-template<typename Derived,int n,typename PlainObject>
-struct nested<ReturnByValue<Derived>, n, PlainObject>
-{
-  typedef typename traits<Derived>::ReturnType type;
-};
-
-} // end namespace internal
-
-template<typename Derived> class ReturnByValue
-  : internal::no_assignment_operator, public internal::dense_xpr_base< ReturnByValue<Derived> >::type
-{
-  public:
-    typedef typename internal::traits<Derived>::ReturnType ReturnType;
-
-    typedef typename internal::dense_xpr_base<ReturnByValue>::type Base;
-    EIGEN_DENSE_PUBLIC_INTERFACE(ReturnByValue)
-
-    template<typename Dest>
-    EIGEN_DEVICE_FUNC
-    inline void evalTo(Dest& dst) const
-    { static_cast<const Derived*>(this)->evalTo(dst); }
-    EIGEN_DEVICE_FUNC inline Index rows() const { return static_cast<const Derived*>(this)->rows(); }
-    EIGEN_DEVICE_FUNC inline Index cols() const { return static_cast<const Derived*>(this)->cols(); }
-
-#ifndef EIGEN_PARSED_BY_DOXYGEN
-#define Unusable YOU_ARE_TRYING_TO_ACCESS_A_SINGLE_COEFFICIENT_IN_A_SPECIAL_EXPRESSION_WHERE_THAT_IS_NOT_ALLOWED_BECAUSE_THAT_WOULD_BE_INEFFICIENT
-    class Unusable{
-      Unusable(const Unusable&) {}
-      Unusable& operator=(const Unusable&) {return *this;}
-    };
-    const Unusable& coeff(Index) const { return *reinterpret_cast<const Unusable*>(this); }
-    const Unusable& coeff(Index,Index) const { return *reinterpret_cast<const Unusable*>(this); }
-    Unusable& coeffRef(Index) { return *reinterpret_cast<Unusable*>(this); }
-    Unusable& coeffRef(Index,Index) { return *reinterpret_cast<Unusable*>(this); }
-#endif
-};
-
-template<typename Derived>
-template<typename OtherDerived>
-Derived& DenseBase<Derived>::operator=(const ReturnByValue<OtherDerived>& other)
-{
-  other.evalTo(derived());
-  return derived();
-}
-
-} // end namespace Eigen
-
-#endif // EIGEN_RETURNBYVALUE_H