35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATSMATADDEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SMATSMATADDEXPR_H_
84 template<
typename MT1
86 class SMatSMatAddExpr :
public SparseMatrix< SMatSMatAddExpr<MT1,MT2>, false >
87 ,
private MatMatAddExpr
120 template<
typename MT >
121 struct UseSMPAssign {
122 enum { value = MT::smpAssignable };
150 enum { smpAssignable = 0 };
198 return lhs_.columns();
208 return lhs_.nonZeros() +
rhs_.nonZeros();
219 return lhs_.nonZeros(i) +
rhs_.nonZeros(i);
249 template<
typename T >
251 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
261 template<
typename T >
263 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
285 template<
typename MT
310 for(
size_t i=0UL; i<(~lhs).
rows(); ++i ) {
311 const RightIterator end( B.end(i) );
312 for( RightIterator element=B.begin(i); element!=end; ++element ) {
313 if(
isDefault( (~lhs)(i,element->index()) ) )
314 (~lhs)(i,element->index()) = element->value();
316 (~lhs)(i,element->index()) += element->value();
336 template<
typename MT >
358 (~lhs).reserve( A.nonZeros() + B.nonZeros() );
361 for(
size_t i=0UL; i<(~lhs).
rows(); ++i )
363 const LeftIterator lend( A.end(i) );
364 const RightIterator rend( B.end(i) );
366 LeftIterator l( A.begin(i) );
367 RightIterator r( B.begin(i) );
369 while( l != lend && r != rend )
371 if( l->index() < r->index() ) {
372 (~lhs).append( i, l->index(), l->value() );
375 else if( l->index() > r->index() ) {
376 (~lhs).append( i, r->index(), r->value() );
380 (~lhs).append( i, l->index(), l->value()+r->value() );
387 (~lhs).append( i, l->index(), l->value() );
392 (~lhs).append( i, r->index(), r->value() );
396 (~lhs).finalize( i );
414 template<
typename MT >
435 const size_t m( rhs.rows() );
436 const size_t n( rhs.columns() );
439 std::vector<size_t> nonzeros( n, 0UL );
440 for(
size_t i=0UL; i<m; ++i )
442 const LeftIterator lend( A.end(i) );
443 const RightIterator rend( B.end(i) );
445 LeftIterator l( A.begin(i) );
446 RightIterator r( B.begin(i) );
448 while( l != lend && r != rend )
450 if( l->index() < r->index() ) {
451 ++nonzeros[l->index()];
454 else if( l->index() > r->index() ) {
455 ++nonzeros[r->index()];
459 ++nonzeros[l->index()];
466 ++nonzeros[l->index()];
471 ++nonzeros[r->index()];
477 for(
size_t j=0UL; j<n; ++j ) {
478 (~lhs).reserve( j, nonzeros[j] );
482 for(
size_t i=0UL; i<m; ++i )
484 const LeftIterator lend( A.end(i) );
485 const RightIterator rend( B.end(i) );
487 LeftIterator l( A.begin(i) );
488 RightIterator r( B.begin(i) );
490 while( l != lend && r != rend )
492 if( l->index() < r->index() ) {
493 (~lhs).append( i, l->index(), l->value() );
496 else if( l->index() > r->index() ) {
497 (~lhs).append( i, r->index(), r->value() );
501 (~lhs).append( i, l->index(), l->value()+r->value() );
508 (~lhs).append( i, l->index(), l->value() );
513 (~lhs).append( i, r->index(), r->value() );
533 template<
typename MT
564 template<
typename MT
613 template<
typename MT
615 friend inline typename EnableIf< UseSMPAssign<MT> >::Type
647 template<
typename MT
649 friend inline typename EnableIf< UseSMPAssign<MT> >::Type
721 template<
typename T1
723 inline const SMatSMatAddExpr<T1,T2>
729 throw std::invalid_argument(
"Matrix sizes do not match" );
746 template<
typename MT1,
typename MT2,
bool AF >
747 struct SubmatrixExprTrait< SMatSMatAddExpr<MT1,MT2>, AF >
751 typedef typename AddExprTrait< typename SubmatrixExprTrait<const MT1,AF>::Type
752 ,
typename SubmatrixExprTrait<const MT2,AF>::Type >::Type Type;
761 template<
typename MT1,
typename MT2 >
762 struct RowExprTrait< SMatSMatAddExpr<MT1,MT2> >
766 typedef typename AddExprTrait< typename RowExprTrait<const MT1>::Type
767 ,
typename RowExprTrait<const MT2>::Type >::Type Type;
776 template<
typename MT1,
typename MT2 >
777 struct ColumnExprTrait< SMatSMatAddExpr<MT1,MT2> >
781 typedef typename AddExprTrait< typename ColumnExprTrait<const MT1>::Type
782 ,
typename ColumnExprTrait<const MT2>::Type >::Type Type;
Evaluation of the return type of an addition expression.Via this type trait it is possible to evaluat...
Definition: AddExprTrait.h:103
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
RightOperand rhs_
Right-hand side sparse matrix of the addition expression.
Definition: SMatSMatAddExpr.h:270
LeftOperand leftOperand() const
Returns the left-hand side sparse matrix operand.
Definition: SMatSMatAddExpr.h:228
void smpSubAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:152
RightOperand rightOperand() const
Returns the right-hand side sparse matrix operand.
Definition: SMatSMatAddExpr.h:238
bool isDefault(const DynamicMatrix< Type, SO > &m)
Returns whether the given dense matrix is in default state.
Definition: DynamicMatrix.h:4642
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:199
Header file for the ColumnExprTrait class template.
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: SMatSMatAddExpr.h:207
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2408
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:251
Header file for the AddExprTrait class template.
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:690
Header file for the Computation base class.
size_t columns() const
Returns the current number of columns of the matrix.
Definition: SMatSMatAddExpr.h:197
SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:142
Header file for the RequiresEvaluation type trait.
size_t rows() const
Returns the current number of rows of the matrix.
Definition: SMatSMatAddExpr.h:187
const ResultType CompositeType
Data type for composite expression templates.
Definition: SMatSMatAddExpr.h:139
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:107
Header file for the SparseMatrix base class.
Constraint on the data type.
void smpAddAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:122
Compile time type selection.The SelectType class template selects one of the two given types T1 and T...
Definition: SelectType.h:59
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SMatSMatAddExpr.h:218
Header file for the IsTemporary type trait class.
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SMatSMatAddExpr.h:262
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatSMatAddExpr.h:175
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SMatSMatAddExpr.h:136
MT1::ResultType RT1
Result type of the left-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:92
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SMatSMatAddExpr.h:132
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2412
void assign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the assignment of a matrix to a matrix.
Definition: Matrix.h:271
const DenseIterator< Type > operator+(const DenseIterator< Type > &it, ptrdiff_t inc)
Addition between a DenseIterator and an integral value.
Definition: DenseIterator.h:556
Constraints on the storage order of matrix types.
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatSMatAddExpr.h:131
MT2::CompositeType CT2
Composite type of the right-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:95
Header file for the SelectType class template.
Header file for the RowExprTrait class template.
Header file for all forward declarations for expression class templates.
Header file for the serial shim.
MT2::ResultType RT2
Result type of the right-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:93
MT1::CompositeType CT1
Composite type of the left-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:94
Compile time check for resizable data types.This type trait tests whether the given data type is a re...
Definition: IsResizable.h:75
Header file for the SubmatrixExprTrait class template.
#define BLAZE_CONSTRAINT_MUST_BE_ROW_MAJOR_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a row-major dense or sparse matrix t...
Definition: StorageOrder.h:81
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2407
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
MT2::ReturnType RN2
Return type of the right-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:97
Header file for run time assertion macros.
Base template for the AddTrait class.
Definition: AddTrait.h:141
Header file for the addition trait.
void addAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the addition assignment of a matrix to a matrix.
Definition: Matrix.h:301
MT1::ReturnType RN1
Return type of the left-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:96
AddExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SMatSMatAddExpr.h:110
void subAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the subtraction assignment of a matrix to matrix.
Definition: Matrix.h:331
AddTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SMatSMatAddExpr.h:130
Header file for the isDefault shim.
Header file for the MatMatAddExpr base class.
Header file for the RemoveReference type trait.
ResultType::ElementType ElementType
Resulting element type.
Definition: SMatSMatAddExpr.h:133
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SMatSMatAddExpr.h:250
SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:145
Header file for the IsComputation type trait class.
Expression object for sparse matrix-sparse matrix additions.The SMatSMatAddExpr class represents the ...
Definition: Forward.h:96
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:157
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2403
SMatSMatAddExpr(const MT1 &lhs, const MT2 &rhs)
Constructor for the SMatSMatAddExpr class.
Definition: SMatSMatAddExpr.h:159
size_t columns(const Matrix< MT, SO > &m)
Returns the current number of columns of the matrix.
Definition: Matrix.h:170
Header file for basic type definitions.
SMatSMatAddExpr< MT1, MT2 > This
Type of this SMatSMatAddExpr instance.
Definition: SMatSMatAddExpr.h:129
LeftOperand lhs_
Left-hand side sparse matrix of the addition expression.
Definition: SMatSMatAddExpr.h:269
Header file for the IsResizable type trait.
size_t rows(const Matrix< MT, SO > &m)
Returns the current number of rows of the matrix.
Definition: Matrix.h:154
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.In case of an invalid run time expression, the program execution is terminated. The BLAZE_INTERNAL_ASSERT macro can be disabled by setting the BLAZE_USER_ASSERTION flag to zero or by defining NDEBUG during the compilation.
Definition: Assert.h:101
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional matrix type...
Definition: SparseMatrix.h:79
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.