11 #ifndef EIGEN_XPRHELPER_H
12 #define EIGEN_XPRHELPER_H
17 #if EIGEN_COMP_GNUC && !EIGEN_GNUC_AT(4,3)
18 #define EIGEN_EMPTY_STRUCT_CTOR(X) \
19 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE X() {} \
20 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE X(const X& ) {}
22 #define EIGEN_EMPTY_STRUCT_CTOR(X)
29 template<
typename IndexDest,
typename IndexSrc>
31 inline IndexDest convert_index(
const IndexSrc& idx) {
33 eigen_internal_assert(idx <= NumTraits<IndexDest>::highest() &&
"Index value to big for target type");
34 return IndexDest(idx);
38 template<
typename T>
struct is_valid_index_type
41 #if EIGEN_HAS_TYPE_TRAITS
42 internal::is_integral<T>::value || std::is_enum<T>::value
44 internal::is_integral<T>::value || __is_enum(T)
47 internal::is_convertible<T,Index>::value && !internal::is_same<T,float>::value && !is_same<T,double>::value
61 template<
typename ExprScalar,
typename T,
bool IsSupported>
62 struct promote_scalar_arg;
64 template<
typename S,
typename T>
65 struct promote_scalar_arg<S,T,true>
71 template<
typename ExprScalar,
typename T,
typename PromotedType,
72 bool ConvertibleToLiteral = internal::is_convertible<T,PromotedType>::value,
73 bool IsSafe = NumTraits<T>::IsInteger || !NumTraits<PromotedType>::IsInteger>
74 struct promote_scalar_arg_unsupported;
77 template<
typename S,
typename T>
78 struct promote_scalar_arg<S,T,false> : promote_scalar_arg_unsupported<S,T,typename NumTraits<S>::Literal> {};
81 template<
typename S,
typename T,
typename PromotedType>
82 struct promote_scalar_arg_unsupported<S,T,PromotedType,true,true>
84 typedef PromotedType type;
89 template<
typename ExprScalar,
typename T,
typename PromotedType>
90 struct promote_scalar_arg_unsupported<ExprScalar,T,PromotedType,false,true>
91 : promote_scalar_arg_unsupported<ExprScalar,T,ExprScalar>
95 template<
typename S,
typename T,
typename PromotedType,
bool ConvertibleToLiteral>
96 struct promote_scalar_arg_unsupported<S,T,PromotedType,ConvertibleToLiteral,false> {};
99 template<
typename S,
typename T>
100 struct promote_scalar_arg_unsupported<S,T,S,false,true> {};
103 class no_assignment_operator
106 no_assignment_operator& operator=(
const no_assignment_operator&);
108 EIGEN_DEFAULT_COPY_CONSTRUCTOR(no_assignment_operator)
109 EIGEN_DEFAULT_EMPTY_CONSTRUCTOR_AND_DESTRUCTOR(no_assignment_operator)
113 template<
typename I1,
typename I2>
114 struct promote_index_type
116 typedef typename conditional<(
sizeof(I1)<
sizeof(I2)), I2, I1>::type type;
123 template<
typename T,
int Value>
class variable_if_dynamic
126 EIGEN_EMPTY_STRUCT_CTOR(variable_if_dynamic)
127 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
explicit variable_if_dynamic(T v) { EIGEN_ONLY_USED_FOR_DEBUG(v); eigen_assert(v == T(Value)); }
128 EIGEN_DEVICE_FUNC
static EIGEN_STRONG_INLINE T value() {
return T(Value); }
129 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
void setValue(T) {}
132 template<
typename T>
class variable_if_dynamic<T,
Dynamic>
135 EIGEN_DEVICE_FUNC variable_if_dynamic() { eigen_assert(
false); }
137 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
explicit variable_if_dynamic(T value) : m_value(value) {}
138 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE T value()
const {
return m_value; }
139 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
void setValue(T value) { m_value = value; }
144 template<
typename T,
int Value>
class variable_if_dynamicindex
147 EIGEN_EMPTY_STRUCT_CTOR(variable_if_dynamicindex)
148 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
explicit variable_if_dynamicindex(T v) { EIGEN_ONLY_USED_FOR_DEBUG(v); eigen_assert(v == T(Value)); }
149 EIGEN_DEVICE_FUNC
static EIGEN_STRONG_INLINE T value() {
return T(Value); }
150 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
void setValue(T) {}
153 template<
typename T>
class variable_if_dynamicindex<T,
DynamicIndex>
156 EIGEN_DEVICE_FUNC variable_if_dynamicindex() { eigen_assert(
false); }
158 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
explicit variable_if_dynamicindex(T value) : m_value(value) {}
159 EIGEN_DEVICE_FUNC T EIGEN_STRONG_INLINE value()
const {
return m_value; }
160 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
void setValue(T value) { m_value = value; }
163 template<
typename T>
struct functor_traits
168 PacketAccess =
false,
173 template<
typename T>
struct packet_traits;
175 template<
typename T>
struct unpacket_traits
186 template<
int Size,
typename PacketType,
187 bool Stop = Size==
Dynamic || (Size%unpacket_traits<PacketType>::size)==0 || is_same<PacketType,
typename unpacket_traits<PacketType>::half>::value>
188 struct find_best_packet_helper;
190 template<
int Size,
typename PacketType>
191 struct find_best_packet_helper<Size,PacketType,true>
193 typedef PacketType type;
196 template<
int Size,
typename PacketType>
197 struct find_best_packet_helper<Size,PacketType,false>
199 typedef typename find_best_packet_helper<Size,typename unpacket_traits<PacketType>::half>::type type;
202 template<
typename T,
int Size>
203 struct find_best_packet
205 typedef typename find_best_packet_helper<Size,typename packet_traits<T>::type>::type type;
208 #if EIGEN_MAX_STATIC_ALIGN_BYTES>0
209 template<
int ArrayBytes,
int AlignmentBytes,
210 bool Match = bool((ArrayBytes%AlignmentBytes)==0),
211 bool TryHalf = bool(EIGEN_MIN_ALIGN_BYTES<AlignmentBytes) >
212 struct compute_default_alignment_helper
217 template<
int ArrayBytes,
int AlignmentBytes,
bool TryHalf>
218 struct compute_default_alignment_helper<ArrayBytes, AlignmentBytes, true, TryHalf>
220 enum { value = AlignmentBytes };
223 template<
int ArrayBytes,
int AlignmentBytes>
224 struct compute_default_alignment_helper<ArrayBytes, AlignmentBytes, false, true>
227 enum { value = compute_default_alignment_helper<ArrayBytes, AlignmentBytes/2>::value };
232 template<
int ArrayBytes,
int AlignmentBytes>
233 struct compute_default_alignment_helper
239 template<
typename T,
int Size>
struct compute_default_alignment {
240 enum { value = compute_default_alignment_helper<Size*
sizeof(T),EIGEN_MAX_STATIC_ALIGN_BYTES>::value };
243 template<
typename T>
struct compute_default_alignment<T,
Dynamic> {
244 enum { value = EIGEN_MAX_ALIGN_BYTES };
247 template<
typename _Scalar,
int _Rows,
int _Cols,
251 : EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION ),
252 int _MaxRows = _Rows,
254 >
class make_proper_matrix_type
257 IsColVector = _Cols==1 && _Rows!=1,
258 IsRowVector = _Rows==1 && _Cols!=1,
264 typedef Matrix<_Scalar, _Rows, _Cols, Options, _MaxRows, _MaxCols> type;
267 template<
typename Scalar,
int Rows,
int Cols,
int Options,
int MaxRows,
int MaxCols>
268 class compute_matrix_flags
278 template<
int _Rows,
int _Cols>
struct size_at_compile_time
283 template<
typename XprType>
struct size_of_xpr_at_compile_time
285 enum { ret = size_at_compile_time<traits<XprType>::RowsAtCompileTime,traits<XprType>::ColsAtCompileTime>::ret };
292 template<typename T, typename StorageKind = typename traits<T>::StorageKind>
struct plain_matrix_type;
293 template<
typename T,
typename BaseClassType,
int Flags>
struct plain_matrix_type_dense;
294 template<
typename T>
struct plain_matrix_type<T,Dense>
296 typedef typename plain_matrix_type_dense<T,typename traits<T>::XprKind, traits<T>::Flags>::type type;
298 template<
typename T>
struct plain_matrix_type<T,DiagonalShape>
300 typedef typename T::PlainObject type;
303 template<
typename T,
int Flags>
struct plain_matrix_type_dense<T,MatrixXpr,Flags>
305 typedef Matrix<typename traits<T>::Scalar,
306 traits<T>::RowsAtCompileTime,
307 traits<T>::ColsAtCompileTime,
309 traits<T>::MaxRowsAtCompileTime,
310 traits<T>::MaxColsAtCompileTime
314 template<
typename T,
int Flags>
struct plain_matrix_type_dense<T,ArrayXpr,Flags>
316 typedef Array<typename traits<T>::Scalar,
317 traits<T>::RowsAtCompileTime,
318 traits<T>::ColsAtCompileTime,
320 traits<T>::MaxRowsAtCompileTime,
321 traits<T>::MaxColsAtCompileTime
329 template<typename T, typename StorageKind = typename traits<T>::StorageKind>
struct eval;
331 template<
typename T>
struct eval<T,Dense>
333 typedef typename plain_matrix_type<T>::type type;
344 template<
typename T>
struct eval<T,DiagonalShape>
346 typedef typename plain_matrix_type<T>::type type;
350 template<
typename _Scalar,
int _Rows,
int _Cols,
int _Options,
int _MaxRows,
int _MaxCols>
351 struct eval<Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols>, Dense>
353 typedef const Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols>& type;
356 template<
typename _Scalar,
int _Rows,
int _Cols,
int _Options,
int _MaxRows,
int _MaxCols>
357 struct eval<Array<_Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols>, Dense>
359 typedef const Array<_Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols>& type;
364 template<typename T, typename StorageKind = typename traits<T>::StorageKind>
struct plain_object_eval;
367 struct plain_object_eval<T,Dense>
369 typedef typename plain_matrix_type_dense<T,typename traits<T>::XprKind, evaluator<T>::Flags>::type type;
375 template<
typename T>
struct plain_matrix_type_column_major
377 enum { Rows = traits<T>::RowsAtCompileTime,
378 Cols = traits<T>::ColsAtCompileTime,
379 MaxRows = traits<T>::MaxRowsAtCompileTime,
380 MaxCols = traits<T>::MaxColsAtCompileTime
382 typedef Matrix<typename traits<T>::Scalar,
393 template<
typename T>
struct plain_matrix_type_row_major
395 enum { Rows = traits<T>::RowsAtCompileTime,
396 Cols = traits<T>::ColsAtCompileTime,
397 MaxRows = traits<T>::MaxRowsAtCompileTime,
398 MaxCols = traits<T>::MaxColsAtCompileTime
400 typedef Matrix<typename traits<T>::Scalar,
412 template <
typename T>
415 typedef typename conditional<
416 bool(traits<T>::Flags & NestByRefBit),
421 typedef typename conditional<
422 bool(traits<T>::Flags & NestByRefBit),
425 >::type non_const_type;
429 template<
typename T1,
typename T2>
430 struct transfer_constness
432 typedef typename conditional<
433 bool(internal::is_const<T1>::value),
434 typename internal::add_const_on_value_type<T2>::type,
454 template<typename T, int n, typename PlainObject = typename plain_object_eval<T>::type>
struct nested_eval
457 ScalarReadCost = NumTraits<typename traits<T>::Scalar>::ReadCost,
458 CoeffReadCost = evaluator<T>::CoeffReadCost,
464 CostEval = (NAsInteger+1) * ScalarReadCost + CoeffReadCost,
465 CostNoEval = NAsInteger * CoeffReadCost,
466 Evaluate = (
int(evaluator<T>::Flags) &
EvalBeforeNestingBit) || (
int(CostEval) < int(CostNoEval))
469 typedef typename conditional<Evaluate, PlainObject, typename ref_selector<T>::type>::type type;
474 inline T* const_cast_ptr(
const T* ptr)
476 return const_cast<T*
>(ptr);
479 template<typename Derived, typename XprKind = typename traits<Derived>::XprKind>
480 struct dense_xpr_base
485 template<
typename Derived>
486 struct dense_xpr_base<Derived, MatrixXpr>
488 typedef MatrixBase<Derived> type;
491 template<
typename Derived>
492 struct dense_xpr_base<Derived, ArrayXpr>
494 typedef ArrayBase<Derived> type;
497 template<typename Derived, typename XprKind = typename traits<Derived>::XprKind,
typename StorageKind =
typename traits<Derived>::StorageKind>
498 struct generic_xpr_base;
500 template<
typename Derived,
typename XprKind>
501 struct generic_xpr_base<Derived, XprKind, Dense>
503 typedef typename dense_xpr_base<Derived,XprKind>::type type;
506 template<
typename XprType,
typename CastType>
struct cast_return_type
508 typedef typename XprType::Scalar CurrentScalarType;
509 typedef typename remove_all<CastType>::type _CastType;
510 typedef typename _CastType::Scalar NewScalarType;
511 typedef typename conditional<is_same<CurrentScalarType,NewScalarType>::value,
512 const XprType&,CastType>::type type;
515 template <
typename A,
typename B>
struct promote_storage_type;
517 template <
typename A>
struct promote_storage_type<A,A>
521 template <
typename A>
struct promote_storage_type<A, const A>
525 template <
typename A>
struct promote_storage_type<const A, A>
543 template <
typename A,
typename B,
typename Functor>
struct cwise_promote_storage_type;
545 template <
typename A,
typename Functor>
struct cwise_promote_storage_type<A,A,Functor> {
typedef A ret; };
546 template <
typename Functor>
struct cwise_promote_storage_type<Dense,Dense,Functor> {
typedef Dense ret; };
547 template <
typename A,
typename Functor>
struct cwise_promote_storage_type<A,Dense,Functor> {
typedef Dense ret; };
548 template <
typename B,
typename Functor>
struct cwise_promote_storage_type<Dense,B,Functor> {
typedef Dense ret; };
549 template <
typename Functor>
struct cwise_promote_storage_type<Sparse,Dense,Functor> {
typedef Sparse ret; };
550 template <
typename Functor>
struct cwise_promote_storage_type<Dense,Sparse,Functor> {
typedef Sparse ret; };
552 template <
typename LhsKind,
typename RhsKind,
int LhsOrder,
int RhsOrder>
struct cwise_promote_storage_order {
553 enum { value = LhsOrder };
556 template <
typename LhsKind,
int LhsOrder,
int RhsOrder>
struct cwise_promote_storage_order<LhsKind,Sparse,LhsOrder,RhsOrder> {
enum { value = RhsOrder }; };
557 template <
typename RhsKind,
int LhsOrder,
int RhsOrder>
struct cwise_promote_storage_order<Sparse,RhsKind,LhsOrder,RhsOrder> {
enum { value = LhsOrder }; };
558 template <
int Order>
struct cwise_promote_storage_order<Sparse,Sparse,Order,Order> {
enum { value = Order }; };
575 template <
typename A,
typename B,
int ProductTag>
struct product_promote_storage_type;
577 template <
typename A,
int ProductTag>
struct product_promote_storage_type<A, A, ProductTag> {
typedef A ret;};
578 template <
int ProductTag>
struct product_promote_storage_type<Dense, Dense, ProductTag> {
typedef Dense ret;};
579 template <
typename A,
int ProductTag>
struct product_promote_storage_type<A, Dense, ProductTag> {
typedef Dense ret; };
580 template <
typename B,
int ProductTag>
struct product_promote_storage_type<Dense, B, ProductTag> {
typedef Dense ret; };
582 template <
typename A,
int ProductTag>
struct product_promote_storage_type<A, DiagonalShape, ProductTag> {
typedef A ret; };
583 template <
typename B,
int ProductTag>
struct product_promote_storage_type<DiagonalShape, B, ProductTag> {
typedef B ret; };
584 template <
int ProductTag>
struct product_promote_storage_type<Dense, DiagonalShape, ProductTag> {
typedef Dense ret; };
585 template <
int ProductTag>
struct product_promote_storage_type<DiagonalShape, Dense, ProductTag> {
typedef Dense ret; };
587 template <
typename A,
int ProductTag>
struct product_promote_storage_type<A, PermutationStorage, ProductTag> {
typedef A ret; };
588 template <
typename B,
int ProductTag>
struct product_promote_storage_type<PermutationStorage, B, ProductTag> {
typedef B ret; };
589 template <
int ProductTag>
struct product_promote_storage_type<Dense, PermutationStorage, ProductTag> {
typedef Dense ret; };
590 template <
int ProductTag>
struct product_promote_storage_type<PermutationStorage, Dense, ProductTag> {
typedef Dense ret; };
595 template<
typename ExpressionType,
typename Scalar =
typename ExpressionType::Scalar>
596 struct plain_row_type
598 typedef Matrix<Scalar, 1, ExpressionType::ColsAtCompileTime,
599 ExpressionType::PlainObject::Options |
RowMajor, 1, ExpressionType::MaxColsAtCompileTime> MatrixRowType;
600 typedef Array<Scalar, 1, ExpressionType::ColsAtCompileTime,
601 ExpressionType::PlainObject::Options |
RowMajor, 1, ExpressionType::MaxColsAtCompileTime> ArrayRowType;
603 typedef typename conditional<
604 is_same< typename traits<ExpressionType>::XprKind, MatrixXpr >::value,
610 template<
typename ExpressionType,
typename Scalar =
typename ExpressionType::Scalar>
611 struct plain_col_type
613 typedef Matrix<Scalar, ExpressionType::RowsAtCompileTime, 1,
614 ExpressionType::PlainObject::Options & ~
RowMajor, ExpressionType::MaxRowsAtCompileTime, 1> MatrixColType;
615 typedef Array<Scalar, ExpressionType::RowsAtCompileTime, 1,
616 ExpressionType::PlainObject::Options & ~
RowMajor, ExpressionType::MaxRowsAtCompileTime, 1> ArrayColType;
618 typedef typename conditional<
619 is_same< typename traits<ExpressionType>::XprKind, MatrixXpr >::value,
625 template<
typename ExpressionType,
typename Scalar =
typename ExpressionType::Scalar>
626 struct plain_diag_type
628 enum { diag_size = EIGEN_SIZE_MIN_PREFER_DYNAMIC(ExpressionType::RowsAtCompileTime, ExpressionType::ColsAtCompileTime),
629 max_diag_size = EIGEN_SIZE_MIN_PREFER_FIXED(ExpressionType::MaxRowsAtCompileTime, ExpressionType::MaxColsAtCompileTime)
631 typedef Matrix<Scalar, diag_size, 1, ExpressionType::PlainObject::Options & ~RowMajor, max_diag_size, 1> MatrixDiagType;
632 typedef Array<Scalar, diag_size, 1, ExpressionType::PlainObject::Options & ~RowMajor, max_diag_size, 1> ArrayDiagType;
634 typedef typename conditional<
635 is_same< typename traits<ExpressionType>::XprKind, MatrixXpr >::value,
641 template<
typename Expr,
typename Scalar =
typename Expr::Scalar>
642 struct plain_constant_type
647 Options, traits<Expr>::MaxRowsAtCompileTime,traits<Expr>::MaxColsAtCompileTime> array_type;
650 Options, traits<Expr>::MaxRowsAtCompileTime,traits<Expr>::MaxColsAtCompileTime> matrix_type;
652 typedef CwiseNullaryOp<scalar_constant_op<Scalar>,
const typename conditional<is_same< typename traits<Expr>::XprKind, MatrixXpr >::value, matrix_type, array_type>::type > type;
655 template<
typename ExpressionType>
658 enum { value = (!bool(is_const<ExpressionType>::value)) &&
659 bool(traits<ExpressionType>::Flags &
LvalueBit) };
662 template<
typename T>
struct is_diagonal
663 {
enum { ret =
false }; };
665 template<
typename T>
struct is_diagonal<DiagonalBase<T> >
666 {
enum { ret =
true }; };
668 template<
typename T>
struct is_diagonal<DiagonalWrapper<T> >
669 {
enum { ret =
true }; };
671 template<
typename T,
int S>
struct is_diagonal<DiagonalMatrix<T,S> >
672 {
enum { ret =
true }; };
674 template<
typename S1,
typename S2>
struct glue_shapes;
675 template<>
struct glue_shapes<DenseShape,TriangularShape> {
typedef TriangularShape type; };
677 template<
typename T1,
typename T2>
678 bool is_same_dense(
const T1 &mat1,
const T2 &mat2,
typename enable_if<has_direct_access<T1>::ret&&has_direct_access<T2>::ret, T1>::type * = 0)
680 return (mat1.data()==mat2.data()) && (mat1.innerStride()==mat2.innerStride()) && (mat1.outerStride()==mat2.outerStride());
683 template<
typename T1,
typename T2>
684 bool is_same_dense(
const T1 &,
const T2 &,
typename enable_if<!(has_direct_access<T1>::ret&&has_direct_access<T2>::ret), T1>::type * = 0)
691 template<
typename T,
bool Vectorized=false,
typename EnaleIf =
void>
692 struct scalar_div_cost {
693 enum { value = 8*NumTraits<T>::MulCost };
696 template<
typename T,
bool Vectorized>
697 struct scalar_div_cost<std::complex<T>, Vectorized> {
698 enum { value = 2*scalar_div_cost<T>::value
699 + 6*NumTraits<T>::MulCost
700 + 3*NumTraits<T>::AddCost
705 template<
bool Vectorized>
706 struct scalar_div_cost<signed long,Vectorized,typename conditional<sizeof(long)==8,void,false_type>::type> {
enum { value = 24 }; };
707 template<
bool Vectorized>
708 struct scalar_div_cost<unsigned long,Vectorized,typename conditional<sizeof(long)==8,void,false_type>::type> {
enum { value = 21 }; };
711 #ifdef EIGEN_DEBUG_ASSIGN
712 std::string demangle_traversal(
int t)
714 if(t==DefaultTraversal)
return "DefaultTraversal";
715 if(t==LinearTraversal)
return "LinearTraversal";
716 if(t==InnerVectorizedTraversal)
return "InnerVectorizedTraversal";
717 if(t==LinearVectorizedTraversal)
return "LinearVectorizedTraversal";
718 if(t==SliceVectorizedTraversal)
return "SliceVectorizedTraversal";
721 std::string demangle_unrolling(
int t)
723 if(t==NoUnrolling)
return "NoUnrolling";
724 if(t==InnerUnrolling)
return "InnerUnrolling";
725 if(t==CompleteUnrolling)
return "CompleteUnrolling";
728 std::string demangle_flags(
int f)
736 if(f&NestByRefBit) res +=
" | NestByRef";
782 template<
typename ScalarA,
typename ScalarB,
typename BinaryOp=
internal::scalar_product_op<ScalarA,ScalarB> >
784 #ifndef EIGEN_PARSED_BY_DOXYGEN
786 : internal::scalar_product_traits<ScalarA,ScalarB>
790 template<
typename T,
typename BinaryOp>
793 typedef T ReturnType;
796 template <
typename T,
typename BinaryOp>
797 struct ScalarBinaryOpTraits<T, typename NumTraits<typename internal::enable_if<NumTraits<T>::IsComplex,T>::type>::Real, BinaryOp>
799 typedef T ReturnType;
801 template <
typename T,
typename BinaryOp>
802 struct ScalarBinaryOpTraits<typename NumTraits<typename internal::enable_if<NumTraits<T>::IsComplex,T>::type>::Real, T, BinaryOp>
804 typedef T ReturnType;
808 template<
typename T,
typename BinaryOp>
809 struct ScalarBinaryOpTraits<T,void,BinaryOp>
811 typedef T ReturnType;
815 template<
typename T,
typename BinaryOp>
816 struct ScalarBinaryOpTraits<void,T,BinaryOp>
818 typedef T ReturnType;
822 template<
typename BinaryOp>
823 struct ScalarBinaryOpTraits<void,void,BinaryOp>
825 typedef void ReturnType;
832 #define EIGEN_CHECK_BINARY_COMPATIBILIY(BINOP,LHS,RHS) \
833 EIGEN_STATIC_ASSERT((Eigen::internal::has_ReturnType<ScalarBinaryOpTraits<LHS, RHS,BINOP> >::value), \
834 YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY)
@ RowsAtCompileTime
Definition: DenseBase.h:100
@ ColMajor
Definition: Constants.h:320
@ RowMajor
Definition: Constants.h:322
@ AutoAlign
Definition: Constants.h:324
const unsigned int PacketAccessBit
Definition: Constants.h:89
const unsigned int NoPreferredStorageOrderBit
Definition: Constants.h:173
const unsigned int LinearAccessBit
Definition: Constants.h:125
const unsigned int EvalBeforeNestingBit
Definition: Constants.h:65
const unsigned int DirectAccessBit
Definition: Constants.h:150
const unsigned int LvalueBit
Definition: Constants.h:139
const unsigned int RowMajorBit
Definition: Constants.h:61
Namespace containing all symbols from the Eigen library.
Definition: Core:309
const int HugeCost
Definition: Constants.h:39
const int DynamicIndex
Definition: Constants.h:26
const int Dynamic
Definition: Constants.h:21
Determines whether the given binary operation of two numeric types is allowed and what the scalar ret...
Definition: XprHelper.h:788