Warning 4512 (assignment operators could not be generated) is now simply disabled.

All unimplemented assignment operators have been removed.

Eigen/src/Core/CommaInitializer.h

@@ -116,9 +116,6 @@ struct CommaInitializer
   int m_row;              // current row id
   int m_col;              // current col id
   int m_currentBlockRows; // current block height
-
-private:
-  CommaInitializer& operator=(const CommaInitializer&);
 };
 
 /** \anchor MatrixBaseCommaInitRef

Eigen/src/Core/Cwise.h

@@ -178,9 +178,6 @@ template<typename ExpressionType> class Cwise
 
   protected:
     ExpressionTypeNested m_matrix;
-
-  private:
-    Cwise& operator=(const Cwise&);
 };
 
 /** \returns a Cwise wrapper of *this providing additional coefficient-wise operations

Eigen/src/Core/Flagged.h

@@ -111,9 +111,6 @@ template<typename ExpressionType, unsigned int Added, unsigned int Removed> clas
 
   protected:
     ExpressionTypeNested m_matrix;
-
-  private:
-    Flagged& operator=(const Flagged&);
 };
 
 /** \deprecated it is only used by lazy() which is deprecated

Eigen/src/Core/Functors.h

@@ -351,8 +351,6 @@ struct ei_scalar_multiple_op {
   EIGEN_STRONG_INLINE const PacketScalar packetOp(const PacketScalar& a) const
   { return ei_pmul(a, ei_pset1(m_other)); }
   typename ei_makeconst<typename NumTraits<Scalar>::Nested>::type m_other;
-private:
-  ei_scalar_multiple_op& operator=(const ei_scalar_multiple_op&);
 };
 template<typename Scalar>
 struct ei_functor_traits<ei_scalar_multiple_op<Scalar> >
@@ -365,8 +363,6 @@ struct ei_scalar_multiple2_op {
   EIGEN_STRONG_INLINE ei_scalar_multiple2_op(const Scalar2& other) : m_other(other) { }
   EIGEN_STRONG_INLINE result_type operator() (const Scalar1& a) const { return a * m_other; }
   typename ei_makeconst<typename NumTraits<Scalar2>::Nested>::type m_other;
-private:
-  ei_scalar_multiple2_op& operator=(ei_scalar_multiple2_op&);
 };
 template<typename Scalar1,typename Scalar2>
 struct ei_functor_traits<ei_scalar_multiple2_op<Scalar1,Scalar2> >
@@ -382,8 +378,6 @@ struct ei_scalar_quotient1_impl {
   EIGEN_STRONG_INLINE const PacketScalar packetOp(const PacketScalar& a) const
   { return ei_pmul(a, ei_pset1(m_other)); }
   const Scalar m_other;
-private:
-  ei_scalar_quotient1_impl& operator=(const ei_scalar_quotient1_impl&);
 };
 template<typename Scalar>
 struct ei_functor_traits<ei_scalar_quotient1_impl<Scalar,true> >
@@ -396,8 +390,6 @@ struct ei_scalar_quotient1_impl<Scalar,false> {
   EIGEN_STRONG_INLINE ei_scalar_quotient1_impl(const Scalar& other) : m_other(other) {}
   EIGEN_STRONG_INLINE Scalar operator() (const Scalar& a) const { return a / m_other; }
   typename ei_makeconst<typename NumTraits<Scalar>::Nested>::type m_other;
-private:
-  ei_scalar_quotient1_impl& operator=(const ei_scalar_quotient1_impl&);
 };
 template<typename Scalar>
 struct ei_functor_traits<ei_scalar_quotient1_impl<Scalar,false> >
@@ -431,8 +423,6 @@ struct ei_scalar_constant_op {
   EIGEN_STRONG_INLINE const Scalar operator() (int, int = 0) const { return m_other; }
   EIGEN_STRONG_INLINE const PacketScalar packetOp() const { return ei_pset1(m_other); }
   const Scalar m_other;
-private:
-  ei_scalar_constant_op& operator=(const ei_scalar_constant_op&);
 };
 template<typename Scalar>
 struct ei_functor_traits<ei_scalar_constant_op<Scalar> >

Eigen/src/Core/NestByValue.h

@@ -102,9 +102,6 @@ template<typename ExpressionType> class NestByValue
 
   protected:
     const ExpressionType m_expression;
-
-  private:
-    NestByValue& operator=(const NestByValue&);
 };
 
 /** \returns an expression of the temporary version of *this.

Eigen/src/Core/NoAlias.h

@@ -73,9 +73,6 @@ class NoAlias
 
   protected:
     ExpressionType& m_expression;
-
-  private:
-    NoAlias& operator=(const NoAlias&);
 };
 
 /** \returns a pseudo expression of \c *this with an operator= assuming

Eigen/src/Core/PermutationMatrix.h

@@ -320,9 +320,6 @@ struct ei_permut_matrix_product_retval
   protected:
     const PermutationType& m_permutation;
     const typename MatrixType::Nested m_matrix;
-
-  private:
-    ei_permut_matrix_product_retval& operator=(ei_permut_matrix_product_retval&);
 };
 
 #endif // EIGEN_PERMUTATIONMATRIX_H

Eigen/src/Core/Product.h

@@ -211,9 +211,6 @@ class GeneralProduct<Lhs, Rhs, OuterProduct>
     {
       ei_outer_product_selector<(int(Dest::Flags)&RowMajorBit) ? RowMajor : ColMajor>::run(*this, dest, alpha);
     }
-
-  private:
-    GeneralProduct& operator=(const GeneralProduct&);
 };
 
 template<> struct ei_outer_product_selector<ColMajor> {
@@ -279,9 +276,6 @@ class GeneralProduct<Lhs, Rhs, GemvProduct>
       ei_gemv_selector<Side,(int(MatrixType::Flags)&RowMajorBit) ? RowMajor : ColMajor,
                        bool(ei_blas_traits<MatrixType>::ActualAccess)>::run(*this, dst, alpha);
     }
-
-private:
-  GeneralProduct& operator=(const GeneralProduct&);
 };
 
 // The vector is on the left => transposition

Eigen/src/Core/ProductBase.h

@@ -129,8 +129,6 @@ class ProductBase : public MatrixBase<Derived>
     void coeffRef(int,int);
     void coeff(int) const;
     void coeffRef(int);
-
-    ProductBase& operator=(const ProductBase&);
 };
 
 template<typename NestedProduct>

Eigen/src/Core/SelfAdjointView.h

@@ -151,9 +151,6 @@ template<typename MatrixType, unsigned int UpLo> class SelfAdjointView
 
   protected:
     const typename MatrixType::Nested m_matrix;
-
-  private:
-    SelfAdjointView& operator=(const SelfAdjointView&);
 };
 
 

Eigen/src/Core/Swap.h

@@ -117,9 +117,6 @@ template<typename ExpressionType> class SwapWrapper
 
   protected:
     ExpressionType& m_expression;
-
-  private:
-    SwapWrapper& operator=(const SwapWrapper&);
 };
 
 /** swaps *this with the expression \a other.

Eigen/src/Core/util/DisableMSVCWarnings.h

@@ -2,7 +2,8 @@
 #ifdef _MSC_VER
   // 4273 - QtAlignedMalloc, inconsistent DLL linkage
   // 4100 - unreferenced formal parameter (occurred e.g. in aligned_allocator::destroy(pointer p))
-  // 4101 - we need this one for the inlining fix
+  // 4101 - unreferenced local variable
+  // 4512 - assignment operator could not be generated
   #pragma warning( push )
   #pragma warning( disable : 4100 4101 4181 4244 4127 4211 4273 4522 4717 )
 #endif