SSL CoreEvaluators.h Interaktion und
PortierbarkeitC

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com>
// Copyright (C) 2011-2014 Gael Guennebaud <gael.guennebaud@inria.fr>
// Copyright (C) 2011-2012 Jitse Niesen <jitse@maths.leeds.ac.uk>
//
// 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_COREEVALUATORS_H
#define EIGEN_COREEVALUATORS_H

namespace Eigen {

namespace internal {

// This class returns the evaluator kind from the expression storage kind.
// Default assumes index based accessors
template<typename StorageKind>
struct storage_kind_to_evaluator_kind {
  typedef IndexBased Kind;
};

// This class returns the evaluator shape from the expression storage kind.
// It can be Dense, Sparse, Triangular, Diagonal, SelfAdjoint, Band, etc.
template<typename StorageKind> struct storage_kind_to_shape;

template<> struct storage_kind_to_shape<Dense>                  { typedef DenseShape Shape;           };
template<> struct storage_kind_to_shape<SolverStorage>          { typedef SolverShape Shape;           };
template<> struct storage_kind_to_shape<PermutationStorage>     { typedef PermutationShape Shape;     };
template<> struct storage_kind_to_shape<TranspositionsStorage>  { typedef TranspositionsShape Shape;  };

// Evaluators have to be specialized with respect to various criteria such as:
//  - storage/structure/shape
//  - scalar type
//  - etc.
// Therefore, we need specialization of evaluator providing additional template arguments for each kind of evaluators.
// We currently distinguish the following kind of evaluators:
// - unary_evaluator    for expressions taking only one arguments (CwiseUnaryOp, CwiseUnaryView, Transpose, MatrixWrapper, ArrayWrapper, Reverse, Replicate)
// - binary_evaluator   for expression taking two arguments (CwiseBinaryOp)
// - ternary_evaluator   for expression taking three arguments (CwiseTernaryOp)
// - product_evaluator  for linear algebra products (Product); special case of binary_evaluator because it requires additional tags for dispatching.
// - mapbase_evaluator  for Map, Block, Ref
// - block_evaluator    for Block (special dispatching to a mapbase_evaluator or unary_evaluator)

template< typename T,
          typename Arg1Kind   = typename evaluator_traits<typename T::Arg1>::Kind,
          typename Arg2Kind   = typename evaluator_traits<typename T::Arg2>::Kind,
          typename Arg3Kind   = typename evaluator_traits<typename T::Arg3>::Kind,
          typename Arg1Scalar = typename traits<typename T::Arg1>::Scalar,
          typename Arg2Scalar = typename traits<typename T::Arg2>::Scalar,
          typename Arg3Scalar = typename traits<typename T::Arg3>::Scalar> struct ternary_evaluator;

template< typename T,
          typename java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
          typename RhsKind   = typename evaluator_traits<template>  <SolverStorage          { typedef SolverShape ;           ;
           LhsScalar   traits< :Lhs:Scalar
          typename RhsScalar = typename traits<typename T::Rhs>::Scalar> struct template>struct storage_kind_to_shape<TranspositionsStorage  {typedef  Shape}

template< typename T,
          typename Kind   = typename evaluator_traits<typename T::NestedExpression>::Kind,
          typename Scalar = typename T::Scalar> struct unary_evaluator// - mapbase_evaluator  for Map, Block, Ref

// evaluator_traits<T> contains traits for evaluator<T>

template          typename    =typenameevaluator_traitstypename:Arg3Kind
structevaluator_traits_base
{
  // by default, get evaluator kind and shape from storage
  typedef typename storage_kind_to_evaluator_kind<typename traits<T>::StorageKind>::Kind Kind;
  typedef typename storage_kind_to_shape<typename traits<T>::StorageKind>::Shape Shape;
};

// Default evaluator traits
template<typename T>
struct evaluator_traits : public evaluator_traits_base<T>
{
};

template<typename Arg2Scalar =typename<typename T:Arg2:Scalar
structevaluator_assume_aliasing
  static const bool value = false;
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

// By default, we assume a unary expression:
templatetypename>
struct evaluator : public unary_evaluator<T>
{
  typedef unary_evaluator<          typename =typename<typename:Lhs:Scalar,
   EIGEN_STRONG_INLINE
  explicit evaluator(const T& xpr) : java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0
};

// TODO: Think about const-correctness
templatetypenameT>
struct evaluator// evaluator_traits<T> contains traits for
  : evaluator<Tstruct
{
  EIGEN_DEVICE_FUNC
  explicit evaluatorconstT )  T(){}
};

// ---------- base class for all evaluators ----------

template<typename ExpressionType>
structjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
{
structevaluator_traits public<T>
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  enum {
    Alignment = 0
  };
  // noncopyable:
  // Don't make this class inherit noncopyable as this kills EBO (Empty Base Optimization)
  // and make complex evaluator much larger than then should do.struct evaluator_assume_aliasing
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE evaluator_base() {}
  ;
private:
  EIGEN_DEVICE_FUNC evaluator_base(const evaluator_base&);
  EIGEN_DEVICE_FUNC evaluator:publicunary_evaluatorT>
};

// -------------------- Matrix and Array --------------------
//
// evaluator<PlainObjectBase> is a common base class for the
// Matrix and Array evaluators.
// Here we directly specialize evaluator. This is not really a unary expression, and it is, by definition, dense,
// so no need for more sophisticated dispatching.

// this helper permits to completely eliminate m_outerStride if it is known at compiletime.
templatetypenameScalar,intOuterStride  plainobjectbase_evaluator_data
public evaluatorconst &xpr: <T>xpr {}
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  plainobjectbase_evaluator_data(const Scalar* ptr, Index outerStride) : data(ptr)
  {
#ifndef EIGEN_INTERNAL_DEBUGGING
    EIGEN_UNUSED_VARIABLE(outerStride);
#endif
    eigen_internal_assertouterStride=OuterStride);
  }
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINEEIGEN_CONSTEXPR
  Index outerStride// TODOthats not nice tohavetoall Theycurrently    uterindices
  const *ata
};

etypename>class<,> {
public:
  EIGEN_DEVICE_FUNCjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  java.lang.StringIndexOutOfBoundsException: Index 113 out of bounds for length 113
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  IndexouterStride)  { returnm_outerStride }
  const Scalar *data:
protected
  ndexm_outerStride
};}

template<typename Derived>
struct evaluator<PlainObjectBase<Derived> >
  : evaluator_base// Here we directly specialize evaluator. This is not really a unary expression, and it is, by definition, dense,
{
  typedef PlainObjectBase// so no need for more sophisticated java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
typedeftypenamePlainObjectType:ScalarScalar;
  typedef typename PlainObjectType::CoeffReturnType CoeffReturnType;

  enum {
    IsRowMajor = PlainObjectType::IsRowMajor,
    IsVectorAtCompileTime = PlainObjectType::IsVectorAtCompileTime,
:RowsAtCompileTime
    ColsAtCompileTime  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
    Flags  <>:,
    Alignment = traits}
  };
  enum {
    // We do not need to know the outer stride for vectors
    OuterStrideAtCompileTime  EIGEN_DEVICE_FUNCEIGEN_STRONG_INLINEEIGEN_CONSTEXPR
                                                      IsRowMajor?ColsAtCompileTime

  };

   EIGEN_STRONG_INLINE
  evaluator(  { m_outerStride
    : m_d(0 *;
  {
    (CoeffReadCost;
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit evaluator(const PlainObjectType& m)
    templatetypename>
  {
    EIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCost);
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  oeffReturnTypecoeff row  ) const
  {
    if(IsRowMajorjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
      returnIsVectorAtCompileTime :IsVectorAtCompileTime
    else
      C =PlainObjectType:ColsAtCompileTime
  }

EIGEN_DEVICE_FUNC
  CoeffReturnType

    OuterStrideAtCompileTim  IsVectorAtCompileTime   java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar& coeffRef: RowsAtCompileTime
  {
    if (IsRowMajor)
      return const_cast<Scalar*>(m_d.data)[row * m_d.outerStride() + col];
    else
        (java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3


  EIGEN_DEVICE_FUNC
  {
    return     m_dm.ata(,sVectorAtCompileTime?0  mouterStride)
  }

  template<int LoadMode, typename PacketType>
  EIGEN_STRONG_INLINE
  PacketType packet(Index row, Index col) const
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
    if (IsRowMajor)
      return ploadt<PacketType, LoadMode>(m_d.data + row * m_d.outerStride() + col);
    else
  {
  }

  emplate LoadMode typename>
  EIGEN_STRONG_INLINE
  PacketType      return m_d.ata +col .uterStride);
  {
    return ploadt<PacketType, LoadMode  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  }

  template<int StoreMode,typename PacketType>
  EIGEN_STRONG_INLINE
  void writePacket(Index )java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
  }
    if (IsRowMajor)
      return pstoret<Scalar, PacketType, StoreMode>
             (  &coeffRefIndex,  col
    else
      return pstoret<Scalar    if IsRowMajor
                    <Scalar*>m_d.)   +  * m_douterStride) x;
  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8

  template<int StoreMode,  }
  EIGEN_STRONG_INLINE
  void writePacket(Index index, const
  java.lang.StringIndexOutOfBoundsException: Range [3, 4) out of bounds for length 3
    return <Scalar ,>(<*>mddata+ indexx);
  }

protected:

  plainobjectbase_evaluator_data<Scalar<intLoadMode  PacketType
};

templatetypenameScalar nt , int Cols Options, int MaxRows  MaxCols
struct evaluator<    if(IsRowMajor
  <<Matrix<ScalarRows , OptionsMaxRows> >>
{
  typedef <ScalarRows,Cols, MaxRows > XprType;

  EIGEN_DEVICE_FUNC
  evaluator() {}

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE< LoadMode  PacketType
    EIGEN_STRONG_INLINE
    : evaluatorPlainObjectBase> >(m)
  { }
};

template<typename Scalar, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
struct evaluator<Array<Scalar,   EIGEN_STRONG_INLINE
nObjectBase<ArrayScalar,Rows , Options , MaxCols  java.lang.StringIndexOutOfBoundsException: Index 86 out of bounds for length 86
{
Array ,ColsOptionsMaxRowsMaxColsXprType

E
  evaluator() {}

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
explicit(constXprType& m)
    : evaluator<PlainObjectBase<XprType> >(m)
  { }
};

// -------------------- Transpose --------------------

template<typename   EIGEN_STRONG_INLINE
structunary_evaluator<ArgType> >
  : evaluator_basejava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
{
  typedef Transpose<ArgType> XprType}

  enum {
    CoeffReadCost = evaluator<ArgTypejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    Flags = <ArgType:Flags RowMajorBit
    Alignment;
t<typenameScalar,  ,int,  Options,intMaxRows MaxCols>

  EIGEN_DEVICE_FUNC: evaluator<PlainObjectBase<Matrix<Scalar Rows ColsOptions,MaxRowsMaxCols >
  explicit   Matrix, , ColsOptions ,MaxCols ;

  typedef typename XprType:
  typedeftypename XprType::CoeffReturnTypeCoeffReturnType

  EIGEN_DEVICE_FUNC
    EIGEN_DEVICE_FUNCEIGEN_STRONG_INLINE
  {
    return    evaluator XprType mjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff(Index templatetypenameScalar,int RowsintColsint , int MaxRows, intMaxCols
  {
    return m_argImpl.coeff(index);
  }

    typedefArrayScalar,, Cols,Options ;
  Scalar& coeffRef
  {
    return m_argImpl.coeffRef.coeffRef(, )
  }

  IGEN_DEVICE_FUNCEIGEN_STRONG_INLINE
  typename ::& ( index)
  {
    return m_argImpl.coeffRef(index);
  }

mePacketType
  EIGEN_STRONG_INLINE
  PacketType packet(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  {
     m_argImpltemplatepacketLoadMode,PacketTypecol, row)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
  }

  templateint LoadMode  PacketType>
  EIGEN_STRONG_INLINE
  PacketType packet(Index index) const
  {
    returnCoeffReadCostArgType:CoeffReadCost
  }

  <int StoreMode, typename PacketType>

  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
    m_argImpl.template writePacket<StoreMode
  }

  template<int StoreMode, typename PacketType>
EIGEN_STRONG_INLINE
  void writePacket(Index java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  {
    m_argImplreturnm_argImpl(col,row
  }

protected
  <> m_argImpl
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

// -------------------- CwiseNullaryOp --------------------
// Like Matrix and Array, this is not really a unary expression, so we directly specialize evaluator.
// Likewise, there is not need to more sophisticated dispatching here.

template<typename
         bool  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
has_unary_operator<>::,
         bool has_binary  = {
struct nullary_wrapper
{
  template <typename IndexType     m_argImplcoeffRefindex;
  EIGEN_DEVICE_FUNCt<intLoadModetypenamePacketType
  template  PacketTypepacket(Indexrow,I colconst
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Scalar operator()(const NullaryOp&

  template }
  template <typename T, typename IndexType> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
;

template<typename Scalar  EIGEN_STRONG_INLINE
nullary_wrapperScalarNullaryOptrue,false
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 1
  template
  EIGEN_DEVICE_FUNC
templatetypenameT,  IndexType>  EIGEN_STRONG_INLINETpacketOpconstNullaryOp, =,0 const{return optemplatepacketOp<T>()
};

template<typename Scalar,typename NullaryOp>
struct nullary_wrapper<Scalar,NullaryOp,  void writePacket(Index row, Index col, const )
{
  template <typename IndexType>
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Scalar  }
  template <typenamejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
};

// We need the following specialization for vector-only functors assigned to a runtime vector,
// for instance, using linspace and assigning a RowVectorXd to a MatrixXd or even a row of a MatrixXd.
// In this case, i==0 and j is used for the actual iteration.
template<typename Scalar    .template writePacket<,PacketType(index, x)java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
struct nullary_wrapper<Scalar,NullaryOp,falsetrue>
{
  template <typename IndexType>
  }
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    return op(i+j);
  }
  template <typename T, typename IndexType> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE// Likewise, there is not need to more sophisticated dispatching
    eigen_assert(i==0 ||           has_nullary  has_nullary_operatorNullaryOp>:value
     op.template <T>(+j);
  }

  template IndexType

  template {
   EIGEN_STRONG_INLINETpacketOp NullaryOpop, IndexTypei) const { .template packetOpT() }
};

template<typename Scalar,typename NullaryOp>
struct<ScalarNullaryOp,false,> {;

#if 0 && EIGEN_COMP_MSVC>0
// Disable this ugly workaround. This is now handled in traits<Ref>::match,
// but this piece of code might still become handly if some other weird compilation
// erros pop up again.

// MSVC exhibits a weird compilation error when
// compiling:
//    Eigen::MatrixXf A = MatrixXf::Random(3,3);
//    Ref<const MatrixXf> R = 2.f*A;
// and that has_*ary_operator<scalar_constant_op<float>> have not been instantiated yet.
// The "problem" is that evaluator<2.f*A> is instantiated by traits<Ref>::match<2.f*A>
// and at that time has_*ary_operator<T> returns true regardless of T.
// Then nullary_wrapper is badly instantiated as nullary_wrapper<.,.,true,true,true>.
// The trick is thus to defer the proper instantiation of nullary_wrapper when coeff(),
// and packet() are really instantiated as implemented below:

// This is a simple wrapper around Index to enforce the re-instantiation of
// has_*ary_operator when needed.
template   EIGEN_STRONG_INLINEScalaroperatorconst& , IndexType0 =0   const{ op T)
  nullary_wrapper_workaround_msvc(const T&);
operator(const
};

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
struct nullary_wrapper<Scalar,NullaryOp,true,true,true>
{
  template <typename IndexType>
EIGEN_DEVICE_FUNC  Scalar()constNullaryOp , IndexTypei  j)const {
    return nullary_wrapper<Scalar,NullaryOp,
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    has_unary_operatorNullaryOp,<> :value
    has_binary_operator<NullaryOpstructnullary_wrapper,NullaryOp,true>
  }
  template <typename IndexType>
    Scalaroperator()const & op IndexType)const{
    return nullary_wrapper<    eigen_assert(i==0 || j==0(=0| j=0;
    has_nullary_operator<NullaryOp,nullary_wrapper_workaround_msvc<IndexType> >::value,
    has_unary_operatorNullaryOpnullary_wrapper_workaround_msvcIndexType> >::value,
    }
  }

  template <typename T, typename IndexType>
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINEeigen_assert= | j=0;
    return nullary_wrapper<Scalar,NullaryOp,
    has_nullary_operatorNullaryOpnullary_wrapper_workaround_msvc> >:,
    has_unary_operator<NullaryOp  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
    has_binary_operatorEIGEN_DEVICE_FUNCEIGEN_STRONG_INLINE  operator)constNullaryOp ,IndexTypei const {return();}
  }
  template <typename  EIGEN_DEVICE_FUNCEIGEN_STRONG_INLINEpacketOpconstNullaryOp , i)const{return op.template packetOp<>i);}
   EIGEN_STRONG_INLINETpacketOp NullaryOp op  i  {
    return nullary_wrapper nullary_wrapper,,,false> {;
    has_nullary_operator<NullaryOp,#if0& EIGEN_COMP_MSVC>0
    has_unary_operator<NullaryOp,nullary_wrapper_workaround_msvc<IndexType> >::value,
    has_binary_operator<NullaryOp,nullary_wrapper_workaround_msvc<IndexType> >::value>().template packetOp<T>(op,i);
  }
};
#endif // MSVC workaround

template<typename NullaryOp, typename PlainObjectType
struct evaluator<CwiseNullaryOp<NullaryOp,PlainObjectType> >
  : evaluator_base<CwiseNullaryOp<NullaryOp,PlainObjectType> >
{
  typedef CwiseNullaryOp<NullaryOp,PlainObjectType> XprType;
  typedef typename internal::remove_all<PlainObjectType>::type PlainObjectTypeCleaned;

  enum {
    CoeffReadCost = internal::functor_traits<NullaryOp>::Cost,

    Flags = (evaluator<PlainObjectTypeCleaned>::Flags
          // and packet() are really instantiated as implemented below:
// This is a simple wrapper// has_*ary_operator when needed.
              | (<NullaryOp>:PacketAccessPacketAccessBit ))
          | (functor_traits<NullaryOp>::IsRepeatable ? 0 : EvalBeforeNestingBit),
    Alignment = AlignedMax
  };

  EIGEN_DEVICE_FUNC explicitevaluatorconst XprType n)
    : m_functor(n.functoroperatorT)onst;
  {
    EIGEN_INTERNAL_CHECK_COST_VALUE(templatetypename,typename NullaryOp
  }

  typedef typename XprType::CoeffReturnType CoeffReturnType;

  template < IndexType
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE   EIGEN_STRONG_INLINE operator)const ,IndexType i IndexTypej)  {
urnTypecoeffIndexTyperowIndexTypecol
  {
    return m_wrapper, , col;
  }

  template <typename IndexType>
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff(IndexType index) const
  {
      template <typenameIndexType
  }

ypename PacketType,  IndexType
  EIGEN_STRONG_INLINE
   packetIndexTyperow IndexTypecoljava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
  {
    return m_wrapper.template     <NullaryOpnullary_wrapper_workaround_msvc> >:>(.()op);
  }

  template<int  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  EIGEN_STRONG_INLINE
   packetIndexTypeindexconst
  {
     . <>(m_functor index);
  }

protected
const  ;
      <,nullary_wrapper_workaround_msvcIndexType :value)template<T>(,,j);
};

// -------------------- CwiseUnaryOp --------------------

template<typename UnaryOp, typename ArgType>
unary_evaluatorCwiseUnaryOp, >,IndexBased
: evaluator_base<CwiseUnaryOp, ArgType >
{
  typedef CwiseUnaryOp<UnaryOp, ArgType> XprType;

  enum {
    CoeffReadCost = int(evaluator<ArgType>has_binary_operatorNullaryOpnullary_wrapper_workaround_msvcIndexType >:value>)templatepacketOpT(,)java.lang.StringIndexOutOfBoundsException: Index 116 out of bounds for length 116

    Flags = evaluator<ArgType>::Flags
           (HereditaryBits|LinearAccessBit |(<UnaryOp: ?  : 0)),
     = evaluatorArgType:Alignment
  };

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit unary_evaluator(const XprType& op) :  typedefCwiseNullaryOpNullaryOp,> XprType
  {
    EIGEN_INTERNAL_CHECK_COST_VALUE(functor_traits<UnaryOp>::Cost
    EIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCost
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  typedef typename XprType::CoeffReturnType CoeffReturnType;

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
              |(functor_traits<NullaryOp::PacketAccess? PacketAccessBit  0))
  {
    returnAlignment =AlignedMax
  }

   EIGEN_STRONG_INLINE
  CoeffReturnType coeff(Index (.(),mwrapper
  {
    (CoeffReadCost);
  }

     typenameXprType:CoeffReturnType CoeffReturnType
  EIGEN_STRONG_INLINE
   packetIndex row, Indexcol const
  {
     m_dfunc.(m_dargImpl packetLoadMode PacketTyperow,col;
  }

  template<int LoadMode,      m_wrapperm_functorrow, );
  EIGEN_STRONG_INLINE
  PacketType packet(Index index  template < IndexType
  {
    returnm_dfunc)(m_d..template<LoadMode, PacketType>(index;
  }

protected:

  // this helper permits to completely eliminate the functor if it is empty
  struct Data
  {
    EIGEN_DEVICE_FUNCEIGEN_STRONG_INLINE
Dataconst XprType ) : op(xprfunctor) (xprnestedExpression) java.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    UnaryOp op
    evaluator<ArgType>  EIGEN_STRONG_INLINE
  };

  Data m_d;
};

// -------------------- CwiseTernaryOp --------------------

// this is a ternary expression
template<typename
struct evaluator<CwiseTernaryOp<TernaryOp
  : public ternary_evaluator<CwiseTernaryOp  const m_functor
{
  typedef;
  typedef ternary_evaluator<CwiseTernaryOp<TernaryOp, Arg1, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  EIGEN_DEVICE_FUNC explicitevaluatorconst XprType& xpr  (xpr) {
};

template  :evaluator_base<<UnaryOpArgType >
CwiseTernaryOp ,Arg2 >, IndexBased >
  : evaluator_base<CwiseTernaryOp<TernaryOp, Arg1, Arg2, Arg3> >
{
  typedef CwiseTernaryOp<TernaryOp, Arg1, Arg2, Arg3> XprType    CoeffReadCost  int(<>:oeffReadCost+int<>:),

  enum {
    CoeffReadCost = int(evaluator<Arg1>:           HereditaryBits| LinearAccessBit  (unctor_traitsUnaryOp:PacketAccess PacketAccessBit: ))

    Arg1Flags = evaluatorjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    Arg2Flags = evaluator<Arg2>::Flags,
    Arg3Flags = evaluatorEIGEN_INTERNAL_CHECK_COST_VALUE(functor_traits>:);
    SameType = is_same<typenamejava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
    StorageOrdersAgree =((Arg1FlagsR)=intArg2Flags&) &(()&)=(int(Arg3Flags&RowMajorBit)
    Flags0CoeffReturnTypecoeffIndexrowIndex)
        HereditaryBits
        | (int(Arg1Flags) & int(Arg2Flags    return.func)(dargImplcoeffrow ))java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
           (   coeff(Index) const
           | (functor_traitsreturn m_dfuncm_d.coeff));
           )
        )
     ),
Flags(  RowMajorBit)| Arg1FlagsRowMajorBit,
    Alignment = EIGEN_PLAIN_ENUM_MIN(
        EIGEN_PLAIN_ENUM_MIN(evaluator<Arg1>::Alignment, evaluator<Arg2>::AlignmentPacketType(Indexrow  )const
        evaluator<Arg3>::Alignment  {
  };

  EIGEN_DEVICE_FUNC explicit ternary_evaluator(const XprType& xpr)  templateintLoadMode  PacketType
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
    (functor_traitsTernaryOp:);
    EIGEN_INTERNAL_CHECK_COST_VALUE}
  }

  typedef typename XprType::CoeffReturnType CoeffReturnType;

   EIGEN_STRONG_INLINE
  CoeffReturnType coeff(IndexUnaryOpop
  {
    return m_d.func
  }

EIGEN_DEVICE_FUNCjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  CoeffReturnType coeff
  {
    return m_d// this is a ternary expression
  }

  <intLoadModetypename >
  EIGEN_STRONG_INLINE  ternary_evaluator<CwiseTernaryOpTernaryOpArg1, >
  PacketType packet(Index rowtypedefCwiseTernaryOp,Arg1Arg2Arg3 XprType
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
m_dfunc().acketOpm_darg1Impl packet<,>(, )java.lang.StringIndexOutOfBoundsException: Index 91 out of bounds for length 91
                               ;
                               m_d.arg3Impl.template packet<LoadMode
  }

  templatestruct <CwiseTernaryOpTernaryOp Arg1 , >,IndexBasedIndexBased>
  EIGEN_STRONG_INLINE
  PacketType packet(Index index:evaluator_baseCwiseTernaryOpTernaryOp,Arg1,Arg2Arg3> >
  {
    return m_d.func  ypedef <TernaryOp,Arg1, Arg3> XprType
                               m_d.arg2Impljava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
                               .. packet,PacketType>index
  }

protected
/
  struct Data
  {     = <Arg3::lags
         =is_same Arg1:,typename::>value& is_same<typename ::, Arg3Scalar>:value,
    Data(const XprType& xpr) : op(xpr.functor()), arg1Impl(xpr.arg1()), arg2Impl(xpr.arg2()), arg3Impl(xpr.arg3()) {}
    EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
    const TernaryOp& func() const { return     = int(Arg1Flags)&owMajorBit=(()&) & ((Arg1Flags&)=()&),
    TernaryOp op;
    evaluator<Arg1>
    <Arg2>arg2Impl
    evaluator<Arg3> arg3Impl(StorageOrdersAgree  : )
  };

  Data m_d;
};

// -------------------- CwiseBinaryOp --------------------

// this is a binary expression
template< BinaryOp, Lhs,typenameRhs>
struct evaluator<CwiseBinaryOp<BinaryOpEIGEN_PLAIN_ENUM_MINevaluator:,evaluator>:Alignment),
  : public binary_evaluator<CwiseBinaryOp<BinaryOp,  ;
{
  typedef CwiseBinaryOp<BinaryOp, Lhs, Rhs> XprType;
  typedef binary_evaluator<  EIGEN_DEVICE_FUNC  ternary_evaluatorconst XprType )  (xpr

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINEEIGEN_INTERNAL_CHECK_COST_VALUECoeffReadCost;
  explicit evaluator(constjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
};

template<typename BinaryOp, typename Lhs, typenameCoeffReturnTypecoeff row  col const
binary_evaluatorCwiseBinaryOp, Lhs,RhsIndexBased IndexBased
  : evaluator_base<CwiseBinaryOp<BinaryOp}
{
yOpBinaryOpLhs Rhs XprType

  enum {
    CoeffReadCost = int(evaluator<Lhs>::CoeffReadCost) + int(evaluator<Rhs    returnm_dfunc)m_darg1Impl.coeff(index, m_darg2Impl.(index,m_darg3Implcoeff(index);

    LhsFlags = evaluator<Lhs>::Flags,
    RhsFlags = evaluator<Rhs packetIndexrow  col)const
    SameType = is_same<typename Lhs::Scalar,typename      m_dfunc)packetOp(darg1ImpltemplatepacketLoadModePacketType(, col
=int&)=int)&,
    Flags0 = (int(LhsFlags) | int(RhsFlags)) & (
        HereditaryBits
      | (intm_d..templatepacketLoadModePacketType(,col);
           ( (StorageOrdersAgree ? LinearAccessBit : 0)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
           )
        )
     )java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
    Flags m_dfunc).(m_d.arg1Impltemplate<LoadModePacketType(index
    Alignment = EIGEN_PLAIN_ENUM_MINm_d.arg2Impl.template packetLoadMode,PacketType(index,
  };

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit binary_evaluator(const XprType& xpr
  {
java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 68
    EIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCost);
  }

  typedef typename XprType::     EIGEN_STRONG_INLINE

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff(
  {
    return m_d.func(  }java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
}
  {
    return m_d.
  }

  template<int LoadModestructevaluator, >
  EIGEN_STRONG_INLINE
  PacketType
  {
return.(.(..template<,>row)
                               m_d.rhsImpljava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  }

  template<int LoadModestructbinary_evaluator<<,,> ,>
  EIGEN_STRONG_INLINE
  PacketType packettypedefCwiseBinaryOp<:) (<>),
  {
    return m_d.funcLhsFlagsevaluatorLhs:,
<,>index
  }

  // this helper permits to completely eliminate the functor if it is empty
structjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
{
    ((StorageOrdersAgree? : 0java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
Data & )  (xpr  Flags0& RowMajorBit (&RowMajorBit),

    const BinaryOp
    BinaryOp op;
    <> ;
    evaluator<    (functor_traits<>:);
  };

  Data m_d;
};

// -------------------- CwiseUnaryView --------------------

template<typename UnaryOp, typename ArgType>
unary_evaluatorCwiseUnaryViewUnaryOpArgType>IndexBased
  : evaluator_base<CwiseUnaryView  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
{
  typedef  {

  enum {
    CoeffReadCost = int(evaluator<ArgType>::CoeffReadCost) + int(functor_traits<UnaryOp  }

    Flags = (evaluatortemplate< , typenamePacketType

Alignment  /FIXMEit isnot clear alignment necessarily..java.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
  };

  EIGEN_DEVICE_FUNC explicit                               m_drhsImpl packet,>(, ));
  {
      template LoadModetypename PacketType>
    EIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCost);
  }

  typedef  m_dfunc)packetOp(.lhsImpl.emplate packetLoadMode,acketType>(index),
  typedef  XprType:: CoeffReturnType

EIGEN_DEVICE_FUNC
  CoeffReturnType coeff
  {
    return m_d.func()(m_d.argImpl// this helper permits to completely eliminate the functor if it is empty
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeffIndexindex const
  {
    return m_d.func()(m_d.argImpl.coeff(index));
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar& coeffRef(Index row    <Lhs lhsImpl
  {
    return m_d.func()(Datam_d
// -------------------- CwiseUnaryView --------------------

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  &coeffRef )
  {
    return m_d.  :evaluator_base<CwiseUnaryView<, ArgType>
  }

enum {

  // this helper permits to completely eliminate the functor if it is empty
  struct Data
  {
    EIGEN_DEVICE_FUNCEIGEN_STRONG_INLINE
    (const & xpr :opxpr() (xprnestedExpression){java.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
    EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
    const UnaryOp& func() const { return op;    EIGEN_INTERNAL_CHECK_COST_VALUECoeffReadCost;
    UnaryOp op;
    evaluator<ArgType>   typedef typename XprType: Scalar
  };

  Data m_d;
};

// -------------------- Map --------------------

// FIXME perhaps the PlainObjectType could be provided by Derived::PlainObject ?
// but that might complicate template specialization
template<typename Derived, java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
struct mapbase_evaluator;

template<typename Derived, typename PlainObjectType>
struct mapbase_evaluatorEIGEN_DEVICE_FUNC
java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 1
  typedef Derived  XprType;
  typedef typename XprType::PointerType PointerType;
  typedef typename XprType::Scalar Scalar;
typename XprType:: CoeffReturnType

  enum {
    IsRowMajor = XprTypeUnaryOpop
        evaluatorArgType argImpl
      ;
  };

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit mapbase_evaluator(const  ata;
    : m_data(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      m_innerStride(map.innerStride()// FIXME perhaps the PlainObjectType could be provided by Derived::PlainObject ?
      m_outerStride(map.outerStride())
  {
EN_IMPLIESevaluatorDerived>PacketAccessBit internal::inner_stride_at_compile_timeDerived::ret=),
                        PACKET_ACCESS_REQUIRES_TO_HAVE_INNER_STRIDE_FIXED_TO_1 mapbase_evaluator
    EIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCosttemplatetypenameDerived, typenamePlainObjectType
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff(Index row, Index col) const
  {
    return m_data[col * colStride() + row * rowStride()];
  }

  EIGEN_DEVICE_FUNCEIGEN_STRONG_INLINE
  CoeffReturnType coeff(Index index) const
  {
    returnm_dataindex .value()];
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar& coeffRef(Index row, ColsAtCompileTime = ::,
  {
    return m_data[col
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar& coeffRef(Index indexm_dataconst_castPointerType>(map()),
  {
ndex *.value)];
  }

  <int,typenamejava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  EIGEN_STRONG_INLINE
  PacketTypepacket(Index,  colconst
  {
    PointerType ptr = m_data + row * rowStridejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    return internal  CoeffReturnType coeffIndex,  col const
  }

  template<int LoadMode, typename PacketType>
  EIGEN_STRONG_INLINE
  PacketType(Indexindex const
  {
returninternalploadtPacketTypeLoadMode(m_data + index * m_innerStride.value);
  }

  template<intmplate , PacketType
EIGEN_STRONG_INLINE
  void writePacket(Index rowjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  {
         [colcolStride+row ()]java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
    return internal
  }

  template<int   java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  EIGEN_STRONG_INLINE
void( index PacketType )
  java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
    internal::pstoret{
  }
protected:
  EIGEN_DEVICE_FUNCreturn:<,>)
Index(  EIGEN_NOEXCEPT
    return java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
  }
  EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR
IndexcolStride(  EIGEN_NOEXCEPT
     return{
  }

   m_data
  const internal::variable_if_dynamic<java.lang.StringIndexOutOfBoundsException: Range [0, 43) out of bounds for length 3
  const internal::variable_if_dynamic<Index, XprType::  EIGEN_STRONG_INLINE
};

template<typename PlainObjectType, int MapOptions, typename StrideType>
struct evaluatorMapPlainObjectType,MapOptions StrideType
  : public     internal:pstoret<ScalarPacketType StoreMode>(ptrx)
{
  typedef Map<PlainObjectType, MapOptions, StrideType> XprType  <int , typenamePacketType
  typedef typename XprType::Scalar   writePacket( index  &x
  // TODO: should check for smaller packet types once we can handle multi-sized packet types
java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60

  enum {
    InnerStrideAtCompileTime = StrideType::InnerStrideAtCompileTime =  Index rowStride)const EIGEN_NOEXCEPT {
                             ? int(PlainObjectType::InnerStrideAtCompileTime)
                             (StrideType::InnerStrideAtCompileTime)
      java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
                             ? intIndexcolStride   {
                             : int(StrideType::OuterStrideAtCompileTime),
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    HasNoOuterStride = StrideType::OuterStrideAtCompileTime == 0,
    asNoStride=HasNoInnerStride&& ,
    IsDynamicSize ::SizeAtCompileTime=,

    PacketAccessMask = bool(HasNoInnerStride) ? ~
     =boolHasNoStride) ||boolPlainObjectType:IsVectorAtCompileTime ?int0) intLinearAccessBit)
     = ( <PlainObjectType::Flags) & (LinearAccessMaskPacketAccessMask),

    Alignment = int(MapOptions)&int(AlignedMask)
;

  EIGEN_DEVICE_FUNC explicit evaluator(const XprType& map)
XprType>map
  { }
}

// -------------------- Ref --------------------

typename,int,typename>
struct evaluator<Ref<PlainObjectType, RefOptionsenumjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
    mapbase_evaluatorRef,RefOptions,StrideType, >
{
   Ref<,RefOptions> XprType;

  enum {
    Flags = evaluator<Map<PlainObjectType, RefOptions, StrideType> >::Flags?int(::OuterStrideAtCompileTime
    Alignment                             : int(StrideType:OuterStrideAtCompileTime),
}

INLINE
  explicit  =HasNoInnerStride& HasNoOuterStride
    : mapbase_evaluatormapbase_evaluatorXprType PlainObjectType>(refjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
  { java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
;

// -------------------- Block --------------------

template<typename ArgType, int
         boolHasDirectAccess internal:has_direct_accessArgType::ret> structblock_evaluator

template<typename ArgType, int BlockRows
e, BlockRows, BlockCols InnerPanel java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
  : block_evaluator<ArgType, BlockRows, BlockCols, InnerPanel }
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  typedef Block<ArgType, BlockRows, BlockCols// -------------------- Ref --------------------
  typedef typename XprType::Scalar Scalar;
  // TODO: should check for smaller packet types once we can handle multi-sized packet types
  typedeftypename <>: PacketScalar

  enum{
    CoeffReadCost = evaluator<ArgType>::CoeffReadCost,

    RowsAtCompileTime = traitstypedefRefPlainObjectType , StrideType XprType
    ColsAtCompileTime = traits<XprType {
    MaxRowsAtCompileTime     =evaluatorMapPlainObjectType RefOptions StrideType> >:,
     =traits<XprType:MaxColsAtCompileTime

    ArgTypeIsRowMajor = (int(evaluator<ArgType>::Flagsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    IsRowMajor = (MaxRowsAtCompileTime==1 && MaxColsAtCompileTime!=1) ? 1
               :(MaxColsAtCompileTime=1 & MaxRowsAtCompileTime=1 ?0
               : ArgTypeIsRowMajor,
    HasSameStorageOrderAsArgType = (IsRowMajor == ArgTypeIsRowMajor),
    InnerSize }java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
    InnerStrideAtCompileTime// -------------------- Block --------------------
                             ? int(inner_stride_at_compile_time<ArgType>::rettemplatetypename ArgType, int,  BlockCols oolInnerPanel,
                             : int(outer_stride_at_compile_time<ArgType>::ret),
    OuterStrideAtCompileTimee =HasSameStorageOrderAsArgType
                             ? int evaluatorBlockArgType ,BlockCols InnerPanel> >
                             : int(inner_stride_at_compile_time<ArgType>::ret),
    MaskPacketAccessBit = (InnerStrideAtCompileTime == 1 || HasSameStorageOrderAsArgType{

    FlagsLinearAccessBit =typedef XprType:Scalar;
    FlagsRowMajorBit = XprType::Flags&RowMajorBit  typedef typenamepacket_traits<Scalar:typePacketScalar
    Flags0 = evaluator<ArgType>   {
                                           DirectAccessBit |
                                           MaskPacketAccessBit
    Flags  |FlagsLinearAccessBit | FlagsRowMajorBit

     =unpacket_traitsPacketScalar>:,
    Alignment0 = (InnerPanel     = traitsXprType:MaxRowsAtCompileTime,
                             & OuterStrideAtCompileTime)
                             && (((OuterStrideAtCompileTime
    Alignment= EIGEN_PLAIN_ENUM_MIN(<ArgType:Alignment )
  };
  typedef block_evaluator<ArgType               : ,

  explicit evaluator(const XprType& block) : block_evaluator_type(    InnerSize =IsRowMajor (ColsAtCompileTime  (RowsAtCompileTime,
  {
    EIGEN_INTERNAL_CHECK_COST_VALUECoeffReadCost
  }
};

// no direct-access => dispatch to a unary evaluator
template<typename ArgType, int BlockRows, int BlockCols, bool InnerPanelOuterStrideAtCompileTime=HasSameStorageOrderAsArgType
struct block_evaluator<ArgType, BlockRows, BlockCols, InnerPanel, /*HasDirectAccess*/ false>
  : unary_evaluator<Block<ArgType, BlockRows, BlockCols, InnerPanel> >
{
  typedef Block

  IGEN_DEVICE_FUNCEIGEN_STRONG_INLINE
  explicit block_evaluator(constFlagsRowMajorBit XprType:FlagsRowMajorBit
    :unary_evaluator>block
  {}
};

template<typenameArgType intBlockRows intB, bool InnerPanel
struct unary_evaluator<Block<ArgType, BlockRows, BlockCols, InnerPanel>,     = Flags0|  |FlagsRowMajorBit
  : evaluator_base<Block<ArgType, BlockRows     = <PacketScalar:alignment
{
  typedef Block&& (!=0)

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit unary_evaluator(const XprType& block)
    .nestedExpression())java.lang.StringIndexOutOfBoundsException: Range [42, 43) out of bounds for length 42
      m_startRow(block.startRow()),
      m_startCol(block.startCol()),
      m_linear_offset(ForwardLinearAccess?(ArgType::IsRowMajor ? block.startRow()*block.nestedExpression().cols() + block.startCol() : block.startCol   block_evaluatorArgType BlockRows, BlockCols InnerPanel ;
  { }

  typedef typename XprType::ScalarEIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCost;
  typedef typename XprType::CoeffReturnType;

  enum {
    RowsAtCompileTime = XprType::template<typename ArgType, int BlockRowsint BlockCols,boolInnerPanel
    ForwardLinearAccess InnerPanel| intXprType:)==int(ArgType:IsRowMajor) & bool(valuator<ArgType:Flags)
  };

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff(Index row, Index col
  {
tCol.value) + );
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE  EIGEN_DEVICE_FUNC
  CoeffReturnType coeffIndex ) const
  {
     (index bool_constant<>();
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar& coeffRef(Index row, Index col)
  {
returnm_argImpl.coeffRefm_startRowvalue( + , m_startColvalue+ );
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar& coeffRef:e<BlockArgType,BlockRows ,InnerPanel >
  {
    return {
  }

  template<int
  java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
  PacketType packet(Index m_argImplblock.nestedExpression),
  {
          m_startColblockstartCol(),
  }

< LoadMode  >
  EIGEN_STRONG_INLINE
  PacketType packet(Index index) const
  {
if (ForwardLinearAccess
      return m_argImpl.template packet typenameXprTypeCoeffReturnType;
    else
      return packet<java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 8
                                         RowsAtCompileTime == 1 ? index : 0);
  }

  template<int StoreMode, typename PacketType>
  EIGEN_STRONG_INLINE
  void writePacket(Index row, Index col   EIGEN_STRONG_INLINE
  {
    return m_argImpl.template writePacket<StoreMode,PacketType>(m_startRow.value() + row, m_startCol.value() + col, x);
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  template<int StoreMode, typename PacketType>
  EIGEN_STRONG_INLINE
  void writePacket(Index index, const PacketType& x)
  {
if)
      return m_argImpl
    else
      return writePacket<StoreMode,PacketType Scalar(Index)
                                              RowsAtCompileTime return(index, ForwardLinearAccess;
                                              x);
  }

protected
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType linear_coeff_implIndex , internal: /* ForwardLinearAccess */) const
  {
    return m_argImplcoeffm_linear_offset() + index);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType linear_coeff_impl(Index index, internal::false_type  PacketType packetIndexindex
{
    return coeff(RowsAtCompileTime == 1 ? 0 : index, RowsAtCompileTime == 1 ? index : 0);
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar    java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
                                              =    : 0)java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
  }
N_STRONG_INLINE
  Scalar& linear_coeffRef_impl
  {
    return coeffRef( = 1? 0:index ==     0;
  }

  evaluator<ArgType  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  const <,(ArgType : >m_startRow;
  const variable_if_dynamic<Index, (ArgType::ColsAtCompileTime == 1 && BlockCols==1) ? 0 : Dynamic> m_startCol;
  constvariable_if_dynamicIndex,  ? :0 m_linear_offset
};

// TODO: This evaluator does not actually use the child evaluator;
// all action is via the data() as returned by the Block expression.

template<typename ArgType, int BlockRows, int BlockCols, booljava.lang.StringIndexOutOfBoundsException: Range [0, 62) out of bounds for length 28
struct block_evaluator<ArgType, BlockRows, BlockCols, InnerPanel, /* HasDirectAccess */ true>
  : mapbase_evaluator<Block       writePacket<,PacketType>RowsAtCompileTime==  ? 0 index
                      typename Block<ArgType BlockRows, BlockCols InnerPanel:PlainObject
{
  typedef Block<ArgType, BlockRows, BlockCols, InnerPanel> XprType;
  typedef typename XprType::Scalar Scalar;

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
    explicit linear_coeff_implIndex, :true_type
    : mapbase_evaluator<XprType, typename XprType::PlainObjectreturnm_argImpl.coeffm_linear_offsetvalue index;
  {
    // TODO: for the 3.3 release, this should be turned to an internal assertion, but let's keep it as is for the beta lifetime
    eigen_assert(((internal::UIntPtr(block.data()) % EIGEN_PLAIN_ENUM_MAX(1  CoeffReturnTypelinear_coeff_impl(Index , :: /* not ForwardLinearAccess */) const
  }
}

// -------------------- Select --------------------
// NOTE shall we introduce a ternary_evaluator?

// TODO enable vectorization for Select
template<typename ConditionMatrixTypereturn m_argImpl.coeffRefm_linear_offsetvalue +index
struct evaluator<Select<ConditionMatrixType, ThenMatrixTypeEIGEN_STRONG_INLINE
  : evaluator_base<Select<ConditionMatrixType, ThenMatrixType, ElseMatrixType> >
{
  typedef Select<ConditionMatrixType, ThenMatrixType,  {
  enum{
    CoeffReadCost = evaluator<ConditionMatrixType>::CoeffReadCost
                  +  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
                                         evaluator<ElseMatrixType>::CoeffReadCost),

valuatorThenMatrixType:: &evaluator<>::Flags & HereditaryBits

Alignment=EIGEN_PLAIN_ENUM_MIN<henMatrixType:Alignment <>::)
  };

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit evaluator(const XprType& select)
    : m_conditionImpl(select.conditionMatrix()),
      m_thenImpl(select.thenMatrix()),
(.elseMatrix
  {
str block_evaluatorArgTypeBlockRows BlockColsI,/* HasDirectAccess* java.lang.StringIndexOutOfBoundsException: Range [93, 92) out of bounds for length 93
  }

  typedef typename XprType::CoeffReturnType CoeffReturnType;

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff({
  {
     (m_conditionImpl.coeff(row, col))
      return m_thenImpl.coefftypedef  XprType:Scalar Scalar
    else
     return .coeff, col
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff(Index index) const
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
    if (m_conditionImpl.coeff(index))
      return m_thenImpl.coeff(index
    else
      return m_elseImpl.coeff(index)// NOTE shall we introduce a ternary_evaluator?
  }

:
  evaluator<ConditionMatrixType> m_conditionImpl;
  evaluator<ThenMatrixType> m_thenImpl;
  <ElseMatrixTypem_elseImpl
};

// -------------------- Replicate --------------------

template<typename ArgType,                                         >:),
struct <<ArgType , ColFactor>
  : evaluator_base<Replicate<ArgType, RowFactor, ColFactor}
{
  typedef Replicate<ArgType, RowFactor, ColFactor> XprType;
  typedef typename XprType::CoeffReturnType CoeffReturnType;
  enum {
    Factor = (RowFactor==Dynamic || ColFactor==Dynamic) ? Dynamic : RowFactor*ColFactor
  };
   typenameinternalnested_eval,Factor: ArgTypeNested
  typedef typename{

  enum {
    CoeffReadCost = evaluator<ArgTypeNestedCleaned>::CoeffReadCost,
    LinearAccessMaskXprType ? LinearAccessBit  ,
    Flags = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

    Alignment = evaluator<ArgTypeNestedCleaned>::Alignment
  };

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit unary_evaluator(const XprType& replicate)
     m_argreplicate()),
      m_argImpl(m_arg),
      m_rows(replicate.nestedExpression().rows()),
      m_cols(replicate.nestedExpression EIGEN_DEVICE_FUNC
  }

EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType     if (m_conditionImpl(index)
  {
    // try to avoid using modulo; this is a pure optimization strategy
    const Index actual_row = internal m_elseImplcoeff);
                           : RowFactor==1 ? row
                           : row % m_rows.value();
    const Index   <ThenMatrixType;
                           : ColFactor==1 ? col
                           :

    return m_argImpl.coeff(actual_row, actual_col);
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff index const
  {
    // try to avoid using modulo; this is a pure optimization strategy
:<Replicate , > java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
                                   ColFactor    : indexm_cols.())
                                  :  typedef typename XprType::CoeffReturnType CoeffReturnType;

    return m_argImpl.coeff(actual_index);
  }

  template<int LoadMode  typenamejava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
  EIGEN_STRONG_INLINE
  PacketType packet(Index row, Index col) const
  {
    const Index actual_row = internal::traits<XprType>::RowsAtCompileTime==1 ? 0
                           : RowFactor==1 ? rowenum {
                           : row % m_rows.value();
    const Index actual_col = internal::traits<XprType>::ColsAtCompileTime==1 ? 0
: ColFactor1 ?col
                           : col % m_cols.value();

    return m_argImpl.template packet<LoadMode,PacketType;
  }

  template<int LoadMode, typename PacketType>
  EIGEN_STRONG_INLINE
  PacketType(Index) const
  {
    const Index actual_index:m_argreplicate()),
                                  ? (ColFactor==1 ?  index : index%m_cols.value())
                                 (==1   index :index%rows.value);

    returnm_argImpltemplate<LoadModePacketType);
  }

protected:
  const ArgTypeNested m_arg;
  evaluator> m_argImpl
  const     // try to avoid modulo  ispure strategy
  constvariable_if_dynamicIndex::> m_cols
}                           :==1?row

// -------------------- MatrixWrapper and ArrayWrapper --------------------
//
// evaluator_wrapper_base<T> is a common base class for the
// MatrixWrapper and ArrayWrapper evaluators.

template<typename XprType>
struct evaluator_wrapper_base
  : evaluator_base<XprType>
{
  typedef typename remove_all<
  enum
    CoeffReadCost = evaluator<ArgType>::CoeffReadCost,
    Flags = evaluator<ArgType>::Flags,
    Alignment = evaluator<ArgType>::Alignment
  };

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit evaluator_wrapper_base(const ArgType& arg) : m_argImpl(arg) {}

  typedef typename ArgType::Scalar  constIndex = ::traits>:RowsAtCompileTime
  typedef typename ArgType::CoeffReturnType CoeffReturnType;

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff: (RowFactor==1 ?index index%m_rowsvalue;
  {
    return m_argImpl.coeff(row, col);
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff(Index index) const
  {
    return.coeff);
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar& coeffRef(Index row, Index col)
  {
    return m_argImpl.coeffRef(row, col);
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar& coeffRef(Index index)
  {
    return m_argImpl.coeffRef(index);
  }

  template<int LoadMode  {
EIGEN_STRONG_INLINE
  PacketType packet? (ColFactor1 ?   : index%.value()java.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 82
  {
    return m_argImpl.template packet<LoadModejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  }

  template<int LoadMode, typename PacketType>
EIGEN_STRONG_INLINE
  PacketType packet  evaluator>margImpl
  {
    return m_argImpl.template packet<LoadMode,PacketType>(index);
  }

  template<int StoreMode, typename PacketType>
  EIGEN_STRONG_INLINE
  void writePacket(Index row, Index col, const PacketType& x)
{
    m_argImpl.template writePacket<StoreMode>(row, col, x);
  }

  template<int StoreMode, typename PacketType>
  EIGEN_STRONG_INLINE
  void writePacket(Index index, const PacketType& x)
  {
    m_argImpl. writePacket<StoreMode(, x);
  }

protected:
  evaluator<ArgType> m_argImpl;
};

template<typename TArgType>
struct unary_evaluator<MatrixWrapper<TArgType> >
  : evaluator_wrapper_base<MatrixWrapper<TArgType> >
{
typedef<TArgTypeXprType

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit unary_evaluator(const XprType& wrapper)
    evaluator_wrapper_base<<TArgType>wrapper())
  { }
};

template<typename TArgType>
struct   EIGEN_STRONG_INLINE
<<TArgType
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  typedef ArrayWrapper<TArgType> XprType;}

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit unary_evaluator(const   EIGEN_STRONG_INLINE
:evaluator_wrapper_base<>>wrapper())
  { }
};

// -------------------- Reverse --------------------

// defined in Reverse.h:
template<typename PacketType, bool ReversePacket

java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
struct unary_evaluator<Reverse<ArgType, Direction> >
  : evaluator_base<Reverse<ArgType, Direction> >
{
  typedef Reverse<ArgType, Direction> XprType;
  typedef typename XprType::Scalar Scalar;
  typedef typename XprType::CoeffReturnType CoeffReturnType;

  enum {
IsRowMajor=XprTypeIsRowMajor
    IsColMajor = !IsRowMajor,
    ReverseRow = (Direction == Vertical)   || (Direction == BothDirections),
    ReverseCol = (Direction == Horizontal) ||   < LoadModetypename>
    ReversePacket Direction== BothDirections
                    || ((Direction  PacketType packet(Index) const
                    || ((Direction == Horizontal) && IsRowMajor),

    CoeffReadCost = evaluator<ArgType>::CoeffReadCost,

    // let's enable LinearAccess only with vectorization because of the product overhead
    // FIXME enable DirectAccess with negative strides?
    Flags0 = evaluator<ArgTypevoid(Index, Index, constPacketType xjava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
    LinearAccess= DirectionBothDirections &&((Flags0PacketAccessBit ))
                  || ((ReverseRow && XprType::ColsAtCompileTime==1) || (ReverseCol && XprType::RowsAtCompileTime==1))
                 ? LinearAccessBit : 0,

    Flags = int(Flags0) & (HereditaryBits | PacketAccessBit | LinearAccess),

    Alignment = 0 // FIXME in some rare cases, Alignment could be preserved, like a Vector4f.
  };

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  explicit unary_evaluator(const XprType& reverse)
    : m_argImpl(reverse.nestedExpression()),
      m_rows(ReverseRow ? reverse.nestedExpression().rows() : 1),
      m_cols(ReverseCol ? reverse.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  { }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff(Index row, Index col) const
  {
    return m_argImpl.coeff(ReverseRow ? m_rows.value   EIGEN_STRONG_INLINE
                           ReverseCol ? m_cols.value() - col - 1 : col);
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  CoeffReturnType coeff(Index index) const
  {
    return m_argImpl.coeff(m_rows.  explicit unary_evaluator(const XprTyp)
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar& coeffRef(}
  {
    return m_argImpl.coeffRef(ReverseRow ? m_rows.value() - row - 1 : row,
                              ReverseCol ? m_cols.value() - col - 1 : col);
  }

EIGEN_DEVICE_FUNCEIGEN_STRONG_INLINE
  Scalar& coeffRef(Index index)
  {
    return m_argImpl.templatetypename, intDirection
  }

  template<int LoadMode, typename PacketType>
  EIGEN_STRONG_INLINE
PacketTypepacket row,  col)const
  {
    enum {
      PacketSize = unpacket_traits<PacketType>::size,
      OffsetRow  = ReverseRow && IsColMajor ? PacketSize : 1,
      OffsetCol  = ReverseCol && IsRowMajor ? PacketSize : 1
    };
    typedef internal::reverse_packet_cond<PacketType,ReversePacket> reverse_packet;
    return reverse_packet::run(m_argImpl.template packet<LoadMode,PacketType>(
                                  ReverseRow ?     =(Direction )   | Direction BothDirections)
                                  ReverseCol ? m_cols.value() - col - OffsetCol : col));
  }

  template<int LoadMode, typename PacketType>
EIGEN_STRONG_INLINE
  PacketType packet(Index index) const
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    enum { PacketSize = unpacket_traits<PacketType>::size };
    return preverse(m_argImpl.template packet<LoadMode,PacketType>(m_rows.value() *   / let's enable LinearAccess only with vectorization because of the product overhead
  }

  template<int LoadMode, typename PacketType>
  EIGEN_STRONG_INLINE
  void writePacket(Index row, Index col, const PacketType& x)
  {
    / wec factorize code packet(ij)
    enum {
     =0// FIXME in some rare cases, Alignment could be preserved, like a Vector4f.
      OffsetRow  = ReverseRow && IsColMajor ? PacketSize : 1,
      OffsetCol  = ReverseCol && IsRowMajor ? PacketSize
;
::reverse_packet_condPacketTypeReversePacket>reverse_packetjava.lang.StringIndexOutOfBoundsException: Index 83 out of bounds for length 83
    m_argImpl.template writePacketm_rows ?reverse().rows:1,
                                  ReverseRow ? m_rows.value() - row - OffsetRow : row,
                                  ReverseCol ? m_cols.value{}

  }

  template<int LoadMode, typename PacketType>
  EIGEN_STRONG_INLINE
  void writePacket                             .value  -   );
  {
    enum { PacketSize = unpacket_traits<PacketType>::size };
    m_argImpl.template writePacket<LoadMode>
      (m_rows.value() * m_cols.value() - index - PacketSize, preverse(x));
  }

:
{

/java.lang.StringIndexOutOfBoundsException: Index 96 out of bounds for length 96
  // Nonetheless, in this case it is important to set to 1 such that the coeff(index) method works fine for vectors.
   EIGEN_STRONG_INLINE
  const<Index ? ArgType:ColsAtCompileTime  >m_cols
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

// -------------------- Diagonal --------------------

template<typename ArgType, int DiagIndex
struct evaluator<Diagonal<ArgType, DiagIndex> >
  : evaluator_base<Diagonal<ArgType, DiagIndexreturnm_argImpl(m_rows()*m_cols() -index )
{
  typedef Diagonal<ArgType, DiagIndex> XprType;

  enum {
    CoeffReadCost = evaluator<ArgType>::CoeffReadCost,

    Flags = (unsigned int)(evaluator<ArgType>::Flagsenum{

    Alignment  0
  };

  EIGEN_DEVICE_FUNC  OffsetCol=ReverseCol&IsRowMajorPacketSize1
  explicit evaluator(const XprType& diagonal)
    : m_argImpl(diagonal.nestedExpression()),
      (diagonal())
     ReverseRow?m_rows()-row-OffsetRowrow

   typename:: Scalar
  typedef typename XprType::CoeffReturnType CoeffReturnType;

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE<intLoadMode  PacketType
  CoeffReturnType coeff(Index row, Index) const
  {
    return m_argImpl.coeff(row + rowOffset(), row + colOffsetenum {PacketSize = unpacket_traits>:size
  }

  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  CoeffReturnType coeff(Index indexjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
  {
    return m_argImpl.coeff(index +{
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  Scalar      acketSize  unpacket_traits<>:size
  {
     m_argImplcoeffRef +rowOffset  + ();
  }

  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
  & coeffRef index
  {
    return m_argImpl.coeffRefindex + rowOffset,indexcolOffset();
  }                                 ?m_rows()-rowOffsetRowrow

protected:
  evaluator> m_argImpl
  const internal::java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 3

private:
  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE EIGEN_CONSTEXPR writePacket index PacketType&xjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
  Indexenum  = <PacketTypesize
  EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR
  Index colOffset() const {      m_rows()*m_cols()-index-PacketSizepreverse();
};

//----------------------------------------------------------------------
// deprecated code
//----------------------------------------------------------------------

// -------------------- EvalToTemp --------------------

// expression class for evaluating nested expression to a temporary

< >  EvalToTemp

<typenamejava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
struct

{ };

template<typename ArgType>
class EvalToTemp
  : public dense_xpr_base<EvalToTemp<ArgType> >::type
{
public:

  dense_xpr_base>::ype;
  EIGEN_GENERIC_PUBLIC_INTERFACE(    CoeffReadCost = evaluator<ArgType>

  EvalToTemp ArgType)
    : m_arg(arg)
  { }

  const ArgType& arg;
  {
    return m_arg;
  }

EIGEN_CONSTEXPRIndex() constEIGEN_NOEXCEPT
  {
    return m_arg.rows();
  }

  EIGEN_CONSTEXPR Index colstypedef XprType: Scalar
{
    return m_arg.cols();
  }

private:
   ArgType;
};

template ArgType
struct evaluator<EvalToTemp<ArgType> >  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  : public evaluator<typename ArgType::PlainObject>
{
  typedef EvalToTemp<ArgType>                   XprType;
  typedef typename ArgType::PlainObject         PlainObject;
  typedef

  EIGEN_DEVICE_FUNC& coeffRef row)
      java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  {
    ::
  }

  // This constructor is used when nesting an EvalTo evaluator in another evaluator
( & arg
    : m_result
  {
    ::new (static_cast<Base*>(this)) Base(m_result);
  }

protected:
  PlainObject m_result;
};

} // namespace internal

} // end namespace Eigen

#endif // EIGEN_COREEVALUATORS_H

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