13 #ifndef EIGEN_PRODUCTEVALUATORS_H
14 #define EIGEN_PRODUCTEVALUATORS_H
28 template<
typename Lhs,
typename Rhs,
int Options>
29 struct evaluator<Product<Lhs, Rhs, Options> >
30 :
public product_evaluator<Product<Lhs, Rhs, Options> >
32 typedef Product<Lhs, Rhs, Options> XprType;
33 typedef product_evaluator<XprType> Base;
35 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
explicit evaluator(
const XprType& xpr) : Base(xpr) {}
40 template<
typename Lhs,
typename Rhs,
typename Scalar1,
typename Scalar2,
typename Plain1>
41 struct evaluator_assume_aliasing<CwiseBinaryOp<internal::scalar_product_op<Scalar1,Scalar2>,
42 const CwiseNullaryOp<internal::scalar_constant_op<Scalar1>, Plain1>,
43 const Product<Lhs, Rhs, DefaultProduct> > >
45 static const bool value =
true;
47 template<
typename Lhs,
typename Rhs,
typename Scalar1,
typename Scalar2,
typename Plain1>
48 struct evaluator<CwiseBinaryOp<internal::scalar_product_op<Scalar1,Scalar2>,
49 const CwiseNullaryOp<internal::scalar_constant_op<Scalar1>, Plain1>,
50 const Product<Lhs, Rhs, DefaultProduct> > >
51 :
public evaluator<Product<EIGEN_SCALAR_BINARYOP_EXPR_RETURN_TYPE(Scalar1,Lhs,product), Rhs, DefaultProduct> >
53 typedef CwiseBinaryOp<internal::scalar_product_op<Scalar1,Scalar2>,
54 const CwiseNullaryOp<internal::scalar_constant_op<Scalar1>, Plain1>,
55 const Product<Lhs, Rhs, DefaultProduct> > XprType;
56 typedef evaluator<Product<EIGEN_SCALAR_BINARYOP_EXPR_RETURN_TYPE(Scalar1,Lhs,product), Rhs, DefaultProduct> > Base;
58 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
explicit evaluator(
const XprType& xpr)
59 : Base(xpr.lhs().functor().m_other * xpr.rhs().lhs() * xpr.rhs().rhs())
64 template<
typename Lhs,
typename Rhs,
int DiagIndex>
65 struct evaluator<Diagonal<const Product<Lhs, Rhs, DefaultProduct>, DiagIndex> >
66 :
public evaluator<Diagonal<const Product<Lhs, Rhs, LazyProduct>, DiagIndex> >
68 typedef Diagonal<const Product<Lhs, Rhs, DefaultProduct>, DiagIndex> XprType;
69 typedef evaluator<Diagonal<const Product<Lhs, Rhs, LazyProduct>, DiagIndex> > Base;
71 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
explicit evaluator(
const XprType& xpr)
72 : Base(Diagonal<const Product<Lhs, Rhs, LazyProduct>, DiagIndex>(
73 Product<Lhs, Rhs, LazyProduct>(xpr.nestedExpression().lhs(), xpr.nestedExpression().rhs()),
82 template<
typename Lhs,
typename Rhs,
83 typename LhsShape =
typename evaluator_traits<Lhs>::Shape,
84 typename RhsShape =
typename evaluator_traits<Rhs>::Shape,
85 int ProductType = internal::product_type<Lhs,Rhs>::value>
86 struct generic_product_impl;
88 template<
typename Lhs,
typename Rhs>
89 struct evaluator_assume_aliasing<Product<Lhs, Rhs, DefaultProduct> > {
90 static const bool value =
true;
95 template<
typename Lhs,
typename Rhs,
int Options,
int ProductTag,
typename LhsShape,
typename RhsShape>
96 struct product_evaluator<Product<Lhs, Rhs, Options>, ProductTag, LhsShape, RhsShape>
97 :
public evaluator<typename Product<Lhs, Rhs, Options>::PlainObject>
99 typedef Product<Lhs, Rhs, Options> XprType;
100 typedef typename XprType::PlainObject PlainObject;
101 typedef evaluator<PlainObject> Base;
106 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
107 explicit product_evaluator(
const XprType& xpr)
108 : m_result(xpr.rows(), xpr.cols())
110 ::new (
static_cast<Base*
>(
this)) Base(m_result);
124 generic_product_impl<Lhs, Rhs, LhsShape, RhsShape, ProductTag>::evalTo(m_result, xpr.lhs(), xpr.rhs());
128 PlainObject m_result;
135 template< typename DstXprType, typename Lhs, typename Rhs,
int Options, typename Scalar>
136 struct Assignment<DstXprType, Product<Lhs,Rhs,Options>, internal::assign_op<Scalar,Scalar>, Dense2Dense,
137 typename enable_if<(Options==DefaultProduct || Options==AliasFreeProduct)>::type>
139 typedef Product<Lhs,Rhs,Options> SrcXprType;
140 static EIGEN_STRONG_INLINE
141 void run(DstXprType &dst,
const SrcXprType &src,
const internal::assign_op<Scalar,Scalar> &)
143 Index dstRows = src.rows();
144 Index dstCols = src.cols();
145 if((dst.rows()!=dstRows) || (dst.cols()!=dstCols))
146 dst.resize(dstRows, dstCols);
148 generic_product_impl<Lhs, Rhs>::evalTo(dst, src.lhs(), src.rhs());
153 template<
typename DstXprType,
typename Lhs,
typename Rhs,
int Options,
typename Scalar>
154 struct Assignment<DstXprType, Product<Lhs,Rhs,Options>, internal::add_assign_op<Scalar,Scalar>, Dense2Dense,
155 typename enable_if<(Options==DefaultProduct || Options==AliasFreeProduct)>::type>
157 typedef Product<Lhs,Rhs,Options> SrcXprType;
158 static EIGEN_STRONG_INLINE
159 void run(DstXprType &dst,
const SrcXprType &src,
const internal::add_assign_op<Scalar,Scalar> &)
161 eigen_assert(dst.rows() == src.rows() && dst.cols() == src.cols());
163 generic_product_impl<Lhs, Rhs>::addTo(dst, src.lhs(), src.rhs());
168 template<
typename DstXprType,
typename Lhs,
typename Rhs,
int Options,
typename Scalar>
169 struct Assignment<DstXprType, Product<Lhs,Rhs,Options>, internal::sub_assign_op<Scalar,Scalar>, Dense2Dense,
170 typename enable_if<(Options==DefaultProduct || Options==AliasFreeProduct)>::type>
172 typedef Product<Lhs,Rhs,Options> SrcXprType;
173 static EIGEN_STRONG_INLINE
174 void run(DstXprType &dst,
const SrcXprType &src,
const internal::sub_assign_op<Scalar,Scalar> &)
176 eigen_assert(dst.rows() == src.rows() && dst.cols() == src.cols());
178 generic_product_impl<Lhs, Rhs>::subTo(dst, src.lhs(), src.rhs());
186 template<
typename DstXprType,
typename Lhs,
typename Rhs,
typename AssignFunc,
typename Scalar,
typename ScalarBis,
typename Plain>
187 struct Assignment<DstXprType, CwiseBinaryOp<internal::scalar_product_op<ScalarBis,Scalar>, const CwiseNullaryOp<internal::scalar_constant_op<ScalarBis>,Plain>,
188 const Product<Lhs,Rhs,DefaultProduct> >, AssignFunc, Dense2Dense>
190 typedef CwiseBinaryOp<internal::scalar_product_op<ScalarBis,Scalar>,
191 const CwiseNullaryOp<internal::scalar_constant_op<ScalarBis>,Plain>,
192 const Product<Lhs,Rhs,DefaultProduct> > SrcXprType;
193 static EIGEN_STRONG_INLINE
194 void run(DstXprType &dst,
const SrcXprType &src,
const AssignFunc& func)
196 call_assignment_no_alias(dst, (src.lhs().functor().m_other * src.rhs().lhs())*src.rhs().rhs(), func);
204 template<
typename OtherXpr,
typename Lhs,
typename Rhs>
205 struct evaluator_assume_aliasing<CwiseBinaryOp<internal::scalar_sum_op<typename OtherXpr::Scalar,typename Product<Lhs,Rhs,DefaultProduct>::Scalar>, const OtherXpr,
206 const Product<Lhs,Rhs,DefaultProduct> >, DenseShape > {
207 static const bool value =
true;
210 template<
typename OtherXpr,
typename Lhs,
typename Rhs>
211 struct evaluator_assume_aliasing<CwiseBinaryOp<internal::scalar_difference_op<typename OtherXpr::Scalar,typename Product<Lhs,Rhs,DefaultProduct>::Scalar>, const OtherXpr,
212 const Product<Lhs,Rhs,DefaultProduct> >, DenseShape > {
213 static const bool value =
true;
216 template<
typename DstXprType,
typename OtherXpr,
typename ProductType,
typename Func1,
typename Func2>
217 struct assignment_from_xpr_op_product
219 template<
typename SrcXprType,
typename InitialFunc>
220 static EIGEN_STRONG_INLINE
221 void run(DstXprType &dst,
const SrcXprType &src,
const InitialFunc& )
223 call_assignment_no_alias(dst, src.lhs(), Func1());
224 call_assignment_no_alias(dst, src.rhs(), Func2());
228 #define EIGEN_CATCH_ASSIGN_XPR_OP_PRODUCT(ASSIGN_OP,BINOP,ASSIGN_OP2) \
229 template< typename DstXprType, typename OtherXpr, typename Lhs, typename Rhs, typename DstScalar, typename SrcScalar, typename OtherScalar,typename ProdScalar> \
230 struct Assignment<DstXprType, CwiseBinaryOp<internal::BINOP<OtherScalar,ProdScalar>, const OtherXpr, \
231 const Product<Lhs,Rhs,DefaultProduct> >, internal::ASSIGN_OP<DstScalar,SrcScalar>, Dense2Dense> \
232 : assignment_from_xpr_op_product<DstXprType, OtherXpr, Product<Lhs,Rhs,DefaultProduct>, internal::ASSIGN_OP<DstScalar,OtherScalar>, internal::ASSIGN_OP2<DstScalar,ProdScalar> > \
235 EIGEN_CATCH_ASSIGN_XPR_OP_PRODUCT(assign_op, scalar_sum_op,add_assign_op);
236 EIGEN_CATCH_ASSIGN_XPR_OP_PRODUCT(add_assign_op,scalar_sum_op,add_assign_op);
237 EIGEN_CATCH_ASSIGN_XPR_OP_PRODUCT(sub_assign_op,scalar_sum_op,sub_assign_op);
239 EIGEN_CATCH_ASSIGN_XPR_OP_PRODUCT(assign_op, scalar_difference_op,sub_assign_op);
240 EIGEN_CATCH_ASSIGN_XPR_OP_PRODUCT(add_assign_op,scalar_difference_op,sub_assign_op);
241 EIGEN_CATCH_ASSIGN_XPR_OP_PRODUCT(sub_assign_op,scalar_difference_op,add_assign_op);
245 template<
typename Lhs,
typename Rhs>
246 struct generic_product_impl<Lhs,Rhs,DenseShape,DenseShape,InnerProduct>
248 template<
typename Dst>
249 static EIGEN_STRONG_INLINE
void evalTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
251 dst.coeffRef(0,0) = (lhs.transpose().cwiseProduct(rhs)).sum();
254 template<
typename Dst>
255 static EIGEN_STRONG_INLINE
void addTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
257 dst.coeffRef(0,0) += (lhs.transpose().cwiseProduct(rhs)).sum();
260 template<
typename Dst>
261 static EIGEN_STRONG_INLINE
void subTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
262 { dst.coeffRef(0,0) -= (lhs.transpose().cwiseProduct(rhs)).sum(); }
271 template<
typename Dst,
typename Lhs,
typename Rhs,
typename Func>
272 void outer_product_selector_run(Dst& dst,
const Lhs &lhs,
const Rhs &rhs,
const Func& func,
const false_type&)
274 evaluator<Rhs> rhsEval(rhs);
275 typename nested_eval<Lhs,Rhs::SizeAtCompileTime>::type actual_lhs(lhs);
278 const Index cols = dst.cols();
279 for (
Index j=0; j<cols; ++j)
280 func(dst.col(j), rhsEval.coeff(
Index(0),j) * actual_lhs);
284 template<
typename Dst,
typename Lhs,
typename Rhs,
typename Func>
285 void outer_product_selector_run(Dst& dst,
const Lhs &lhs,
const Rhs &rhs,
const Func& func,
const true_type&)
287 evaluator<Lhs> lhsEval(lhs);
288 typename nested_eval<Rhs,Lhs::SizeAtCompileTime>::type actual_rhs(rhs);
291 const Index rows = dst.rows();
292 for (
Index i=0; i<rows; ++i)
293 func(dst.row(i), lhsEval.coeff(i,
Index(0)) * actual_rhs);
296 template<
typename Lhs,
typename Rhs>
297 struct generic_product_impl<Lhs,Rhs,DenseShape,DenseShape,OuterProduct>
299 template<
typename T>
struct is_row_major : internal::conditional<(int(T::Flags)&RowMajorBit), internal::true_type, internal::false_type>::type {};
300 typedef typename Product<Lhs,Rhs>::Scalar Scalar;
303 struct set {
template<
typename Dst,
typename Src>
void operator()(
const Dst& dst,
const Src& src)
const { dst.const_cast_derived() = src; } };
304 struct add {
template<
typename Dst,
typename Src>
void operator()(
const Dst& dst,
const Src& src)
const { dst.const_cast_derived() += src; } };
305 struct sub {
template<
typename Dst,
typename Src>
void operator()(
const Dst& dst,
const Src& src)
const { dst.const_cast_derived() -= src; } };
308 explicit adds(
const Scalar& s) : m_scale(s) {}
309 template<
typename Dst,
typename Src>
void operator()(
const Dst& dst,
const Src& src)
const {
310 dst.const_cast_derived() += m_scale * src;
314 template<
typename Dst>
315 static EIGEN_STRONG_INLINE
void evalTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
317 internal::outer_product_selector_run(dst, lhs, rhs, set(), is_row_major<Dst>());
320 template<
typename Dst>
321 static EIGEN_STRONG_INLINE
void addTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
323 internal::outer_product_selector_run(dst, lhs, rhs, add(), is_row_major<Dst>());
326 template<
typename Dst>
327 static EIGEN_STRONG_INLINE
void subTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
329 internal::outer_product_selector_run(dst, lhs, rhs, sub(), is_row_major<Dst>());
332 template<
typename Dst>
333 static EIGEN_STRONG_INLINE
void scaleAndAddTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs,
const Scalar& alpha)
335 internal::outer_product_selector_run(dst, lhs, rhs, adds(alpha), is_row_major<Dst>());
342 template<
typename Lhs,
typename Rhs,
typename Derived>
343 struct generic_product_impl_base
345 typedef typename Product<Lhs,Rhs>::Scalar Scalar;
347 template<
typename Dst>
348 static EIGEN_STRONG_INLINE
void evalTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
349 { dst.setZero(); scaleAndAddTo(dst, lhs, rhs, Scalar(1)); }
351 template<
typename Dst>
352 static EIGEN_STRONG_INLINE
void addTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
353 { scaleAndAddTo(dst,lhs, rhs, Scalar(1)); }
355 template<
typename Dst>
356 static EIGEN_STRONG_INLINE
void subTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
357 { scaleAndAddTo(dst, lhs, rhs, Scalar(-1)); }
359 template<
typename Dst>
360 static EIGEN_STRONG_INLINE
void scaleAndAddTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs,
const Scalar& alpha)
361 { Derived::scaleAndAddTo(dst,lhs,rhs,alpha); }
365 template<
typename Lhs,
typename Rhs>
366 struct generic_product_impl<Lhs,Rhs,DenseShape,DenseShape,GemvProduct>
367 : generic_product_impl_base<Lhs,Rhs,generic_product_impl<Lhs,Rhs,DenseShape,DenseShape,GemvProduct> >
369 typedef typename nested_eval<Lhs,1>::type LhsNested;
370 typedef typename nested_eval<Rhs,1>::type RhsNested;
371 typedef typename Product<Lhs,Rhs>::Scalar Scalar;
373 typedef typename internal::remove_all<
typename internal::conditional<int(Side)==
OnTheRight,LhsNested,RhsNested>::type>::type MatrixType;
375 template<
typename Dest>
376 static EIGEN_STRONG_INLINE
void scaleAndAddTo(Dest& dst,
const Lhs& lhs,
const Rhs& rhs,
const Scalar& alpha)
378 LhsNested actual_lhs(lhs);
379 RhsNested actual_rhs(rhs);
380 internal::gemv_dense_selector<Side,
382 bool(internal::blas_traits<MatrixType>::HasUsableDirectAccess)
383 >::run(actual_lhs, actual_rhs, dst, alpha);
387 template<
typename Lhs,
typename Rhs>
388 struct generic_product_impl<Lhs,Rhs,DenseShape,DenseShape,CoeffBasedProductMode>
390 typedef typename Product<Lhs,Rhs>::Scalar Scalar;
392 template<
typename Dst>
393 static EIGEN_STRONG_INLINE
void evalTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
397 call_assignment_no_alias(dst, lhs.lazyProduct(rhs), internal::assign_op<typename Dst::Scalar,Scalar>());
400 template<
typename Dst>
401 static EIGEN_STRONG_INLINE
void addTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
404 call_assignment_no_alias(dst, lhs.lazyProduct(rhs), internal::add_assign_op<typename Dst::Scalar,Scalar>());
407 template<
typename Dst>
408 static EIGEN_STRONG_INLINE
void subTo(Dst& dst,
const Lhs& lhs,
const Rhs& rhs)
411 call_assignment_no_alias(dst, lhs.lazyProduct(rhs), internal::sub_assign_op<typename Dst::Scalar,Scalar>());
422 template<
typename Dst,
typename Scalar1,
typename Scalar2,
typename Plain1,
typename Xpr2,
typename Func>
423 static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
424 void eval_dynamic(Dst& dst,
const CwiseBinaryOp<internal::scalar_product_op<Scalar1,Scalar2>,
425 const CwiseNullaryOp<internal::scalar_constant_op<Scalar1>, Plain1>, Xpr2>& lhs,
const Rhs& rhs,
const Func &func)
427 call_assignment_no_alias(dst, lhs.lhs().functor().m_other * lhs.rhs().lazyProduct(rhs), func);
432 template<
typename Dst,
typename LhsT,
typename Func>
433 static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
434 void eval_dynamic(Dst& dst,
const LhsT& lhs,
const Rhs& rhs,
const Func &func)
436 call_assignment_no_alias(dst, lhs.lazyProduct(rhs), func);
446 template<
typename Lhs,
typename Rhs>
447 struct generic_product_impl<Lhs,Rhs,DenseShape,DenseShape,LazyCoeffBasedProductMode>
448 : generic_product_impl<Lhs,Rhs,DenseShape,DenseShape,CoeffBasedProductMode> {};
456 template<
int Traversal,
int UnrollingIndex,
typename Lhs,
typename Rhs,
typename RetScalar>
457 struct etor_product_coeff_impl;
459 template<
int StorageOrder,
int UnrollingIndex,
typename Lhs,
typename Rhs,
typename Packet,
int LoadMode>
460 struct etor_product_packet_impl;
462 template<
typename Lhs,
typename Rhs,
int ProductTag>
463 struct product_evaluator<Product<Lhs, Rhs, LazyProduct>, ProductTag, DenseShape, DenseShape>
464 : evaluator_base<Product<Lhs, Rhs, LazyProduct> >
466 typedef Product<Lhs, Rhs, LazyProduct> XprType;
467 typedef typename XprType::Scalar Scalar;
468 typedef typename XprType::CoeffReturnType CoeffReturnType;
470 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
471 explicit product_evaluator(
const XprType& xpr)
477 m_innerDim(xpr.lhs().cols())
479 EIGEN_INTERNAL_CHECK_COST_VALUE(NumTraits<Scalar>::MulCost);
480 EIGEN_INTERNAL_CHECK_COST_VALUE(NumTraits<Scalar>::AddCost);
481 EIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCost);
483 std::cerr <<
"LhsOuterStrideBytes= " << LhsOuterStrideBytes <<
"\n";
484 std::cerr <<
"RhsOuterStrideBytes= " << RhsOuterStrideBytes <<
"\n";
485 std::cerr <<
"LhsAlignment= " << LhsAlignment <<
"\n";
486 std::cerr <<
"RhsAlignment= " << RhsAlignment <<
"\n";
487 std::cerr <<
"CanVectorizeLhs= " << CanVectorizeLhs <<
"\n";
488 std::cerr <<
"CanVectorizeRhs= " << CanVectorizeRhs <<
"\n";
489 std::cerr <<
"CanVectorizeInner= " << CanVectorizeInner <<
"\n";
490 std::cerr <<
"EvalToRowMajor= " << EvalToRowMajor <<
"\n";
491 std::cerr <<
"Alignment= " << Alignment <<
"\n";
492 std::cerr <<
"Flags= " << Flags <<
"\n";
498 typedef typename internal::nested_eval<Lhs,Rhs::ColsAtCompileTime>::type LhsNested;
499 typedef typename internal::nested_eval<Rhs,Lhs::RowsAtCompileTime>::type RhsNested;
501 typedef typename internal::remove_all<LhsNested>::type LhsNestedCleaned;
502 typedef typename internal::remove_all<RhsNested>::type RhsNestedCleaned;
504 typedef evaluator<LhsNestedCleaned> LhsEtorType;
505 typedef evaluator<RhsNestedCleaned> RhsEtorType;
508 RowsAtCompileTime = LhsNestedCleaned::RowsAtCompileTime,
509 ColsAtCompileTime = RhsNestedCleaned::ColsAtCompileTime,
510 InnerSize = EIGEN_SIZE_MIN_PREFER_FIXED(LhsNestedCleaned::ColsAtCompileTime, RhsNestedCleaned::RowsAtCompileTime),
511 MaxRowsAtCompileTime = LhsNestedCleaned::MaxRowsAtCompileTime,
512 MaxColsAtCompileTime = RhsNestedCleaned::MaxColsAtCompileTime
515 typedef typename find_best_packet<Scalar,RowsAtCompileTime>::type LhsVecPacketType;
516 typedef typename find_best_packet<Scalar,ColsAtCompileTime>::type RhsVecPacketType;
520 LhsCoeffReadCost = LhsEtorType::CoeffReadCost,
521 RhsCoeffReadCost = RhsEtorType::CoeffReadCost,
522 CoeffReadCost = InnerSize==0 ? NumTraits<Scalar>::ReadCost
524 : InnerSize * (NumTraits<Scalar>::MulCost + LhsCoeffReadCost + RhsCoeffReadCost)
525 + (InnerSize - 1) * NumTraits<Scalar>::AddCost,
527 Unroll = CoeffReadCost <= EIGEN_UNROLLING_LIMIT,
529 LhsFlags = LhsEtorType::Flags,
530 RhsFlags = RhsEtorType::Flags,
535 LhsVecPacketSize = unpacket_traits<LhsVecPacketType>::size,
536 RhsVecPacketSize = unpacket_traits<RhsVecPacketType>::size,
539 LhsAlignment = EIGEN_PLAIN_ENUM_MIN(LhsEtorType::Alignment,LhsVecPacketSize*
int(
sizeof(
typename LhsNestedCleaned::Scalar))),
540 RhsAlignment = EIGEN_PLAIN_ENUM_MIN(RhsEtorType::Alignment,RhsVecPacketSize*
int(
sizeof(
typename RhsNestedCleaned::Scalar))),
542 SameType = is_same<typename LhsNestedCleaned::Scalar,typename RhsNestedCleaned::Scalar>::value,
544 CanVectorizeRhs = bool(RhsRowMajor) && (RhsFlags &
PacketAccessBit) && (ColsAtCompileTime!=1),
545 CanVectorizeLhs = (!LhsRowMajor) && (LhsFlags &
PacketAccessBit) && (RowsAtCompileTime!=1),
547 EvalToRowMajor = (MaxRowsAtCompileTime==1&&MaxColsAtCompileTime!=1) ? 1
548 : (MaxColsAtCompileTime==1&&MaxRowsAtCompileTime!=1) ? 0
549 : (
bool(RhsRowMajor) && !CanVectorizeLhs),
551 Flags = ((
unsigned int)(LhsFlags | RhsFlags) & HereditaryBits & ~
RowMajorBit)
554 | (SameType && (CanVectorizeLhs || CanVectorizeRhs) ?
PacketAccessBit : 0)
557 LhsOuterStrideBytes = int(LhsNestedCleaned::OuterStrideAtCompileTime) * int(
sizeof(
typename LhsNestedCleaned::Scalar)),
558 RhsOuterStrideBytes = int(RhsNestedCleaned::OuterStrideAtCompileTime) * int(
sizeof(
typename RhsNestedCleaned::Scalar)),
560 Alignment = bool(CanVectorizeLhs) ? (LhsOuterStrideBytes<=0 || (int(LhsOuterStrideBytes) % EIGEN_PLAIN_ENUM_MAX(1,LhsAlignment))!=0 ? 0 : LhsAlignment)
561 : bool(CanVectorizeRhs) ? (RhsOuterStrideBytes<=0 || (int(RhsOuterStrideBytes) % EIGEN_PLAIN_ENUM_MAX(1,RhsAlignment))!=0 ? 0 : RhsAlignment)
569 CanVectorizeInner = SameType
573 && (InnerSize % packet_traits<Scalar>::size == 0)
576 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
const CoeffReturnType coeff(
Index row,
Index col)
const
578 return (m_lhs.row(row).transpose().cwiseProduct( m_rhs.col(col) )).sum();
585 EIGEN_DEVICE_FUNC
const CoeffReturnType coeff(
Index index)
const
587 const Index row = (RowsAtCompileTime == 1 || MaxRowsAtCompileTime==1) ? 0 : index;
588 const Index col = (RowsAtCompileTime == 1 || MaxRowsAtCompileTime==1) ? index : 0;
589 return (m_lhs.row(row).transpose().cwiseProduct( m_rhs.col(col) )).sum();
592 template<
int LoadMode,
typename PacketType>
593 const PacketType packet(
Index row,
Index col)
const
597 Unroll ? int(InnerSize) :
Dynamic,
598 LhsEtorType, RhsEtorType, PacketType, LoadMode> PacketImpl;
599 PacketImpl::run(row, col, m_lhsImpl, m_rhsImpl, m_innerDim, res);
603 template<
int LoadMode,
typename PacketType>
604 const PacketType packet(
Index index)
const
606 const Index row = (RowsAtCompileTime == 1 || MaxRowsAtCompileTime==1) ? 0 : index;
607 const Index col = (RowsAtCompileTime == 1 || MaxRowsAtCompileTime==1) ? index : 0;
608 return packet<LoadMode,PacketType>(row,col);
612 typename internal::add_const_on_value_type<LhsNested>::type m_lhs;
613 typename internal::add_const_on_value_type<RhsNested>::type m_rhs;
615 LhsEtorType m_lhsImpl;
616 RhsEtorType m_rhsImpl;
622 template<
typename Lhs,
typename Rhs>
623 struct product_evaluator<Product<Lhs, Rhs, DefaultProduct>, LazyCoeffBasedProductMode, DenseShape, DenseShape>
624 : product_evaluator<Product<Lhs, Rhs, LazyProduct>, CoeffBasedProductMode, DenseShape, DenseShape>
626 typedef Product<Lhs, Rhs, DefaultProduct> XprType;
627 typedef Product<Lhs, Rhs, LazyProduct> BaseProduct;
628 typedef product_evaluator<BaseProduct, CoeffBasedProductMode, DenseShape, DenseShape> Base;
632 EIGEN_DEVICE_FUNC
explicit product_evaluator(
const XprType& xpr)
633 : Base(BaseProduct(xpr.lhs(),xpr.rhs()))
641 template<
int UnrollingIndex,
typename Lhs,
typename Rhs,
typename Packet,
int LoadMode>
642 struct etor_product_packet_impl<
RowMajor, UnrollingIndex, Lhs, Rhs, Packet, LoadMode>
644 static EIGEN_STRONG_INLINE
void run(
Index row,
Index col,
const Lhs& lhs,
const Rhs& rhs,
Index innerDim, Packet &res)
646 etor_product_packet_impl<RowMajor, UnrollingIndex-1, Lhs, Rhs, Packet, LoadMode>::run(row, col, lhs, rhs, innerDim, res);
647 res = pmadd(pset1<Packet>(lhs.coeff(row,
Index(UnrollingIndex-1))), rhs.template packet<LoadMode,Packet>(
Index(UnrollingIndex-1), col), res);
651 template<
int UnrollingIndex,
typename Lhs,
typename Rhs,
typename Packet,
int LoadMode>
652 struct etor_product_packet_impl<
ColMajor, UnrollingIndex, Lhs, Rhs, Packet, LoadMode>
654 static EIGEN_STRONG_INLINE
void run(
Index row,
Index col,
const Lhs& lhs,
const Rhs& rhs,
Index innerDim, Packet &res)
656 etor_product_packet_impl<ColMajor, UnrollingIndex-1, Lhs, Rhs, Packet, LoadMode>::run(row, col, lhs, rhs, innerDim, res);
657 res = pmadd(lhs.template packet<LoadMode,Packet>(row,
Index(UnrollingIndex-1)), pset1<Packet>(rhs.coeff(
Index(UnrollingIndex-1), col)), res);
661 template<
typename Lhs,
typename Rhs,
typename Packet,
int LoadMode>
662 struct etor_product_packet_impl<
RowMajor, 1, Lhs, Rhs, Packet, LoadMode>
664 static EIGEN_STRONG_INLINE
void run(
Index row,
Index col,
const Lhs& lhs,
const Rhs& rhs,
Index , Packet &res)
666 res = pmul(pset1<Packet>(lhs.coeff(row,
Index(0))),rhs.template packet<LoadMode,Packet>(
Index(0), col));
670 template<
typename Lhs,
typename Rhs,
typename Packet,
int LoadMode>
671 struct etor_product_packet_impl<
ColMajor, 1, Lhs, Rhs, Packet, LoadMode>
673 static EIGEN_STRONG_INLINE
void run(
Index row,
Index col,
const Lhs& lhs,
const Rhs& rhs,
Index , Packet &res)
675 res = pmul(lhs.template packet<LoadMode,Packet>(row,
Index(0)), pset1<Packet>(rhs.coeff(
Index(0), col)));
679 template<
typename Lhs,
typename Rhs,
typename Packet,
int LoadMode>
680 struct etor_product_packet_impl<
RowMajor, 0, Lhs, Rhs, Packet, LoadMode>
682 static EIGEN_STRONG_INLINE
void run(
Index ,
Index ,
const Lhs& ,
const Rhs& ,
Index , Packet &res)
684 res = pset1<Packet>(
typename unpacket_traits<Packet>::type(0));
688 template<
typename Lhs,
typename Rhs,
typename Packet,
int LoadMode>
689 struct etor_product_packet_impl<
ColMajor, 0, Lhs, Rhs, Packet, LoadMode>
691 static EIGEN_STRONG_INLINE
void run(
Index ,
Index ,
const Lhs& ,
const Rhs& ,
Index , Packet &res)
693 res = pset1<Packet>(
typename unpacket_traits<Packet>::type(0));
697 template<
typename Lhs,
typename Rhs,
typename Packet,
int LoadMode>
698 struct etor_product_packet_impl<
RowMajor,
Dynamic, Lhs, Rhs, Packet, LoadMode>
700 static EIGEN_STRONG_INLINE
void run(
Index row,
Index col,
const Lhs& lhs,
const Rhs& rhs,
Index innerDim, Packet& res)
702 res = pset1<Packet>(
typename unpacket_traits<Packet>::type(0));
703 for(
Index i = 0; i < innerDim; ++i)
704 res = pmadd(pset1<Packet>(lhs.coeff(row, i)), rhs.template packet<LoadMode,Packet>(i, col), res);
708 template<
typename Lhs,
typename Rhs,
typename Packet,
int LoadMode>
709 struct etor_product_packet_impl<
ColMajor,
Dynamic, Lhs, Rhs, Packet, LoadMode>
711 static EIGEN_STRONG_INLINE
void run(
Index row,
Index col,
const Lhs& lhs,
const Rhs& rhs,
Index innerDim, Packet& res)
713 res = pset1<Packet>(
typename unpacket_traits<Packet>::type(0));
714 for(
Index i = 0; i < innerDim; ++i)
715 res = pmadd(lhs.template packet<LoadMode,Packet>(row, i), pset1<Packet>(rhs.coeff(i, col)), res);
723 template<
int Mode,
bool LhsIsTriangular,
724 typename Lhs,
bool LhsIsVector,
725 typename Rhs,
bool RhsIsVector>
726 struct triangular_product_impl;
728 template<
typename Lhs,
typename Rhs,
int ProductTag>
729 struct generic_product_impl<Lhs,Rhs,TriangularShape,DenseShape,ProductTag>
730 : generic_product_impl_base<Lhs,Rhs,generic_product_impl<Lhs,Rhs,TriangularShape,DenseShape,ProductTag> >
732 typedef typename Product<Lhs,Rhs>::Scalar Scalar;
734 template<
typename Dest>
735 static void scaleAndAddTo(Dest& dst,
const Lhs& lhs,
const Rhs& rhs,
const Scalar& alpha)
737 triangular_product_impl<Lhs::Mode,true,typename Lhs::MatrixType,false,Rhs, Rhs::ColsAtCompileTime==1>
738 ::run(dst, lhs.nestedExpression(), rhs, alpha);
742 template<
typename Lhs,
typename Rhs,
int ProductTag>
743 struct generic_product_impl<Lhs,Rhs,DenseShape,TriangularShape,ProductTag>
744 : generic_product_impl_base<Lhs,Rhs,generic_product_impl<Lhs,Rhs,DenseShape,TriangularShape,ProductTag> >
746 typedef typename Product<Lhs,Rhs>::Scalar Scalar;
748 template<
typename Dest>
749 static void scaleAndAddTo(Dest& dst,
const Lhs& lhs,
const Rhs& rhs,
const Scalar& alpha)
751 triangular_product_impl<Rhs::Mode,false,Lhs,Lhs::RowsAtCompileTime==1, typename Rhs::MatrixType, false>::run(dst, lhs, rhs.nestedExpression(), alpha);
759 template <
typename Lhs,
int LhsMode,
bool LhsIsVector,
760 typename Rhs,
int RhsMode,
bool RhsIsVector>
761 struct selfadjoint_product_impl;
763 template<
typename Lhs,
typename Rhs,
int ProductTag>
764 struct generic_product_impl<Lhs,Rhs,SelfAdjointShape,DenseShape,ProductTag>
765 : generic_product_impl_base<Lhs,Rhs,generic_product_impl<Lhs,Rhs,SelfAdjointShape,DenseShape,ProductTag> >
767 typedef typename Product<Lhs,Rhs>::Scalar Scalar;
769 template<
typename Dest>
770 static void scaleAndAddTo(Dest& dst,
const Lhs& lhs,
const Rhs& rhs,
const Scalar& alpha)
772 selfadjoint_product_impl<typename Lhs::MatrixType,Lhs::Mode,false,Rhs,0,Rhs::IsVectorAtCompileTime>::run(dst, lhs.nestedExpression(), rhs, alpha);
776 template<
typename Lhs,
typename Rhs,
int ProductTag>
777 struct generic_product_impl<Lhs,Rhs,DenseShape,SelfAdjointShape,ProductTag>
778 : generic_product_impl_base<Lhs,Rhs,generic_product_impl<Lhs,Rhs,DenseShape,SelfAdjointShape,ProductTag> >
780 typedef typename Product<Lhs,Rhs>::Scalar Scalar;
782 template<
typename Dest>
783 static void scaleAndAddTo(Dest& dst,
const Lhs& lhs,
const Rhs& rhs,
const Scalar& alpha)
785 selfadjoint_product_impl<Lhs,0,Lhs::IsVectorAtCompileTime,typename Rhs::MatrixType,Rhs::Mode,false>::run(dst, lhs, rhs.nestedExpression(), alpha);
794 template<
typename MatrixType,
typename DiagonalType,
typename Derived,
int ProductOrder>
795 struct diagonal_product_evaluator_base
796 : evaluator_base<Derived>
798 typedef typename ScalarBinaryOpTraits<typename MatrixType::Scalar, typename DiagonalType::Scalar>::ReturnType Scalar;
801 CoeffReadCost = NumTraits<Scalar>::MulCost + evaluator<MatrixType>::CoeffReadCost + evaluator<DiagonalType>::CoeffReadCost,
803 MatrixFlags = evaluator<MatrixType>::Flags,
804 DiagFlags = evaluator<DiagonalType>::Flags,
806 _ScalarAccessOnDiag = !((int(_StorageOrder) ==
ColMajor && int(ProductOrder) ==
OnTheLeft)
808 _SameTypes = is_same<typename MatrixType::Scalar, typename DiagonalType::Scalar>::value,
812 _LinearAccessMask = (MatrixType::RowsAtCompileTime==1 || MatrixType::ColsAtCompileTime==1) ?
LinearAccessBit : 0,
813 Flags = ((HereditaryBits|_LinearAccessMask) & (
unsigned int)(MatrixFlags)) | (_Vectorizable ?
PacketAccessBit : 0),
814 Alignment = evaluator<MatrixType>::Alignment,
816 AsScalarProduct = (DiagonalType::SizeAtCompileTime==1)
817 || (DiagonalType::SizeAtCompileTime==
Dynamic && MatrixType::RowsAtCompileTime==1 && ProductOrder==
OnTheLeft)
818 || (DiagonalType::SizeAtCompileTime==
Dynamic && MatrixType::ColsAtCompileTime==1 && ProductOrder==
OnTheRight)
821 diagonal_product_evaluator_base(
const MatrixType &mat,
const DiagonalType &diag)
822 : m_diagImpl(diag), m_matImpl(mat)
824 EIGEN_INTERNAL_CHECK_COST_VALUE(NumTraits<Scalar>::MulCost);
825 EIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCost);
828 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
const Scalar coeff(
Index idx)
const
831 return m_diagImpl.coeff(0) * m_matImpl.coeff(idx);
833 return m_diagImpl.coeff(idx) * m_matImpl.coeff(idx);
837 template<
int LoadMode,
typename PacketType>
838 EIGEN_STRONG_INLINE PacketType packet_impl(
Index row,
Index col,
Index id, internal::true_type)
const
840 return internal::pmul(m_matImpl.template packet<LoadMode,PacketType>(row, col),
841 internal::pset1<PacketType>(m_diagImpl.coeff(
id)));
844 template<
int LoadMode,
typename PacketType>
845 EIGEN_STRONG_INLINE PacketType packet_impl(
Index row,
Index col,
Index id, internal::false_type)
const
848 InnerSize = (MatrixType::Flags &
RowMajorBit) ? MatrixType::ColsAtCompileTime : MatrixType::RowsAtCompileTime,
849 DiagonalPacketLoadMode = EIGEN_PLAIN_ENUM_MIN(LoadMode,((InnerSize%16) == 0) ? int(
Aligned16) : int(evaluator<DiagonalType>::Alignment))
851 return internal::pmul(m_matImpl.template packet<LoadMode,PacketType>(row, col),
852 m_diagImpl.template packet<DiagonalPacketLoadMode,PacketType>(
id));
855 evaluator<DiagonalType> m_diagImpl;
856 evaluator<MatrixType> m_matImpl;
860 template<
typename Lhs,
typename Rhs,
int ProductKind,
int ProductTag>
861 struct product_evaluator<Product<Lhs, Rhs, ProductKind>, ProductTag, DiagonalShape, DenseShape>
862 : diagonal_product_evaluator_base<Rhs, typename Lhs::DiagonalVectorType, Product<Lhs, Rhs, LazyProduct>, OnTheLeft>
864 typedef diagonal_product_evaluator_base<Rhs, typename Lhs::DiagonalVectorType, Product<Lhs, Rhs, LazyProduct>,
OnTheLeft> Base;
865 using Base::m_diagImpl;
866 using Base::m_matImpl;
868 typedef typename Base::Scalar Scalar;
870 typedef Product<Lhs, Rhs, ProductKind> XprType;
871 typedef typename XprType::PlainObject PlainObject;
877 EIGEN_DEVICE_FUNC
explicit product_evaluator(
const XprType& xpr)
878 : Base(xpr.rhs(), xpr.lhs().diagonal())
882 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
const Scalar coeff(
Index row,
Index col)
const
884 return m_diagImpl.coeff(row) * m_matImpl.coeff(row, col);
888 template<
int LoadMode,
typename PacketType>
889 EIGEN_STRONG_INLINE PacketType packet(
Index row,
Index col)
const
893 return this->
template packet_impl<LoadMode,PacketType>(row,col, row,
894 typename internal::conditional<
int(StorageOrder)==
RowMajor, internal::true_type, internal::false_type>::type());
897 template<
int LoadMode,
typename PacketType>
898 EIGEN_STRONG_INLINE PacketType packet(
Index idx)
const
900 return packet<LoadMode,PacketType>(
int(StorageOrder)==
ColMajor?idx:0,
int(StorageOrder)==
ColMajor?0:idx);
906 template<
typename Lhs,
typename Rhs,
int ProductKind,
int ProductTag>
907 struct product_evaluator<Product<Lhs, Rhs, ProductKind>, ProductTag, DenseShape, DiagonalShape>
908 : diagonal_product_evaluator_base<Lhs, typename Rhs::DiagonalVectorType, Product<Lhs, Rhs, LazyProduct>,
OnTheRight>
910 typedef diagonal_product_evaluator_base<Lhs, typename Rhs::DiagonalVectorType, Product<Lhs, Rhs, LazyProduct>,
OnTheRight> Base;
911 using Base::m_diagImpl;
912 using Base::m_matImpl;
914 typedef typename Base::Scalar Scalar;
916 typedef Product<Lhs, Rhs, ProductKind> XprType;
917 typedef typename XprType::PlainObject PlainObject;
921 EIGEN_DEVICE_FUNC
explicit product_evaluator(
const XprType& xpr)
922 : Base(xpr.lhs(), xpr.rhs().diagonal())
926 EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
const Scalar coeff(
Index row,
Index col)
const
928 return m_matImpl.coeff(row, col) * m_diagImpl.coeff(col);
932 template<
int LoadMode,
typename PacketType>
933 EIGEN_STRONG_INLINE PacketType packet(
Index row,
Index col)
const
935 return this->
template packet_impl<LoadMode,PacketType>(row,col, col,
936 typename internal::conditional<
int(StorageOrder)==
ColMajor, internal::true_type, internal::false_type>::type());
939 template<
int LoadMode,
typename PacketType>
940 EIGEN_STRONG_INLINE PacketType packet(
Index idx)
const
942 return packet<LoadMode,PacketType>(
int(StorageOrder)==
ColMajor?idx:0,
int(StorageOrder)==
ColMajor?0:idx);
956 template<
typename ExpressionType,
int S
ide,
bool Transposed,
typename ExpressionShape>
957 struct permutation_matrix_product;
959 template<
typename ExpressionType,
int S
ide,
bool Transposed>
960 struct permutation_matrix_product<ExpressionType, Side, Transposed, DenseShape>
962 typedef typename nested_eval<ExpressionType, 1>::type MatrixType;
963 typedef typename remove_all<MatrixType>::type MatrixTypeCleaned;
965 template<
typename Dest,
typename PermutationType>
966 static inline void run(Dest& dst,
const PermutationType& perm,
const ExpressionType& xpr)
973 if(is_same_dense(dst, mat))
976 Matrix<bool,PermutationType::RowsAtCompileTime,1,0,PermutationType::MaxRowsAtCompileTime> mask(perm.size());
979 while(r < perm.size())
982 while(r<perm.size() && mask[r]) r++;
988 mask.coeffRef(k0) =
true;
989 for(
Index k=perm.indices().coeff(k0); k!=k0; k=perm.indices().coeff(k))
991 Block<Dest, Side==OnTheLeft ? 1 : Dest::RowsAtCompileTime, Side==OnTheRight ? 1 : Dest::ColsAtCompileTime>(dst, k)
992 .swap(Block<Dest, Side==OnTheLeft ? 1 : Dest::RowsAtCompileTime, Side==OnTheRight ? 1 : Dest::ColsAtCompileTime>
993 (dst,((Side==
OnTheLeft) ^ Transposed) ? k0 : kPrev));
995 mask.coeffRef(k) =
true;
1002 for(
Index i = 0; i < n; ++i)
1004 Block<Dest, Side==OnTheLeft ? 1 : Dest::RowsAtCompileTime, Side==OnTheRight ? 1 : Dest::ColsAtCompileTime>
1005 (dst, ((Side==
OnTheLeft) ^ Transposed) ? perm.indices().coeff(i) : i)
1009 Block<const MatrixTypeCleaned,Side==OnTheLeft ? 1 : MatrixTypeCleaned::RowsAtCompileTime,Side==OnTheRight ? 1 : MatrixTypeCleaned::ColsAtCompileTime>
1010 (mat, ((Side==
OnTheRight) ^ Transposed) ? perm.indices().coeff(i) : i);
1016 template<
typename Lhs,
typename Rhs,
int ProductTag,
typename MatrixShape>
1017 struct generic_product_impl<Lhs, Rhs, PermutationShape, MatrixShape, ProductTag>
1019 template<
typename Dest>
1020 static void evalTo(Dest& dst,
const Lhs& lhs,
const Rhs& rhs)
1022 permutation_matrix_product<Rhs, OnTheLeft, false, MatrixShape>::run(dst, lhs, rhs);
1026 template<
typename Lhs,
typename Rhs,
int ProductTag,
typename MatrixShape>
1027 struct generic_product_impl<Lhs, Rhs, MatrixShape, PermutationShape, ProductTag>
1029 template<
typename Dest>
1030 static void evalTo(Dest& dst,
const Lhs& lhs,
const Rhs& rhs)
1032 permutation_matrix_product<Lhs, OnTheRight, false, MatrixShape>::run(dst, rhs, lhs);
1036 template<
typename Lhs,
typename Rhs,
int ProductTag,
typename MatrixShape>
1037 struct generic_product_impl<Inverse<Lhs>, Rhs, PermutationShape, MatrixShape, ProductTag>
1039 template<
typename Dest>
1040 static void evalTo(Dest& dst,
const Inverse<Lhs>& lhs,
const Rhs& rhs)
1042 permutation_matrix_product<Rhs, OnTheLeft, true, MatrixShape>::run(dst, lhs.nestedExpression(), rhs);
1046 template<
typename Lhs,
typename Rhs,
int ProductTag,
typename MatrixShape>
1047 struct generic_product_impl<Lhs, Inverse<Rhs>, MatrixShape, PermutationShape, ProductTag>
1049 template<
typename Dest>
1050 static void evalTo(Dest& dst,
const Lhs& lhs,
const Inverse<Rhs>& rhs)
1052 permutation_matrix_product<Lhs, OnTheRight, true, MatrixShape>::run(dst, rhs.nestedExpression(), lhs);
1067 template<
typename ExpressionType,
int S
ide,
bool Transposed,
typename ExpressionShape>
1068 struct transposition_matrix_product
1070 typedef typename nested_eval<ExpressionType, 1>::type MatrixType;
1071 typedef typename remove_all<MatrixType>::type MatrixTypeCleaned;
1073 template<
typename Dest,
typename TranspositionType>
1074 static inline void run(Dest& dst,
const TranspositionType& tr,
const ExpressionType& xpr)
1076 MatrixType mat(xpr);
1077 typedef typename TranspositionType::StorageIndex StorageIndex;
1078 const Index size = tr.size();
1081 if(!is_same_dense(dst,mat))
1084 for(
Index k=(Transposed?size-1:0) ; Transposed?k>=0:k<size ; Transposed?--k:++k)
1085 if(
Index(j=tr.coeff(k))!=k)
1087 if(Side==
OnTheLeft) dst.row(k).swap(dst.row(j));
1088 else if(Side==
OnTheRight) dst.col(k).swap(dst.col(j));
1093 template<
typename Lhs,
typename Rhs,
int ProductTag,
typename MatrixShape>
1094 struct generic_product_impl<Lhs, Rhs, TranspositionsShape, MatrixShape, ProductTag>
1096 template<
typename Dest>
1097 static void evalTo(Dest& dst,
const Lhs& lhs,
const Rhs& rhs)
1099 transposition_matrix_product<Rhs, OnTheLeft, false, MatrixShape>::run(dst, lhs, rhs);
1103 template<
typename Lhs,
typename Rhs,
int ProductTag,
typename MatrixShape>
1104 struct generic_product_impl<Lhs, Rhs, MatrixShape, TranspositionsShape, ProductTag>
1106 template<
typename Dest>
1107 static void evalTo(Dest& dst,
const Lhs& lhs,
const Rhs& rhs)
1109 transposition_matrix_product<Lhs, OnTheRight, false, MatrixShape>::run(dst, rhs, lhs);
1114 template<
typename Lhs,
typename Rhs,
int ProductTag,
typename MatrixShape>
1115 struct generic_product_impl<Transpose<Lhs>, Rhs, TranspositionsShape, MatrixShape, ProductTag>
1117 template<
typename Dest>
1118 static void evalTo(Dest& dst,
const Transpose<Lhs>& lhs,
const Rhs& rhs)
1120 transposition_matrix_product<Rhs, OnTheLeft, true, MatrixShape>::run(dst, lhs.nestedExpression(), rhs);
1124 template<
typename Lhs,
typename Rhs,
int ProductTag,
typename MatrixShape>
1125 struct generic_product_impl<Lhs, Transpose<Rhs>, MatrixShape, TranspositionsShape, ProductTag>
1127 template<
typename Dest>
1128 static void evalTo(Dest& dst,
const Lhs& lhs,
const Transpose<Rhs>& rhs)
1130 transposition_matrix_product<Lhs, OnTheRight, true, MatrixShape>::run(dst, rhs.nestedExpression(), lhs);
1138 #endif // EIGEN_PRODUCT_EVALUATORS_H