35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATSMATADDEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SMATSMATADDEXPR_H_
95 template<
typename MT1
97 class SMatSMatAddExpr :
public SparseMatrix< SMatSMatAddExpr<MT1,MT2>, false >
98 ,
private MatMatAddExpr
131 template<
typename T1,
typename T2,
typename T3 >
132 struct UseSymmetricKernel {
146 template<
typename MT >
147 struct UseSMPAssign {
148 enum { value = MT::smpAssignable };
176 enum { smpAssignable = 0 };
224 return lhs_.columns();
234 return lhs_.nonZeros() +
rhs_.nonZeros();
245 return lhs_.nonZeros(i) +
rhs_.nonZeros(i);
275 template<
typename T >
277 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
287 template<
typename T >
289 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
311 template<
typename MT
336 for(
size_t i=0UL; i<(~lhs).
rows(); ++i ) {
337 const RightIterator
end( B.end(i) );
338 for( RightIterator element=B.begin(i); element!=
end; ++element ) {
339 if(
isDefault( (~lhs)(i,element->index()) ) )
340 (~lhs)(i,element->index()) = element->value();
342 (~lhs)(i,element->index()) += element->value();
362 template<
typename MT >
384 (~lhs).reserve( A.nonZeros() + B.nonZeros() );
387 for(
size_t i=0UL; i<(~lhs).
rows(); ++i )
389 const LeftIterator lend( A.end(i) );
390 const RightIterator rend( B.end(i) );
392 LeftIterator l( A.begin(i) );
393 RightIterator r( B.begin(i) );
395 while( l != lend && r != rend )
397 if( l->index() < r->index() ) {
398 (~lhs).append( i, l->index(), l->value() );
401 else if( l->index() > r->index() ) {
402 (~lhs).append( i, r->index(), r->value() );
406 (~lhs).append( i, l->index(), l->value()+r->value() );
413 (~lhs).append( i, l->index(), l->value() );
418 (~lhs).append( i, r->index(), r->value() );
422 (~lhs).finalize( i );
440 template<
typename MT >
441 friend inline typename DisableIf< UseSymmetricKernel<MT,MT1,MT2> >::Type
464 const size_t m( A.rows() );
465 const size_t n( A.columns() );
468 std::vector<size_t> nonzeros( n, 0UL );
469 for(
size_t i=0UL; i<m; ++i )
471 const LeftIterator lend( A.end(i) );
472 const RightIterator rend( B.end(i) );
474 LeftIterator l( A.begin(i) );
475 RightIterator r( B.begin(i) );
477 while( l != lend && r != rend )
479 if( l->index() < r->index() ) {
480 ++nonzeros[l->index()];
483 else if( l->index() > r->index() ) {
484 ++nonzeros[r->index()];
488 ++nonzeros[l->index()];
495 ++nonzeros[l->index()];
500 ++nonzeros[r->index()];
506 for(
size_t j=0UL; j<n; ++j ) {
507 (~lhs).reserve( j, nonzeros[j] );
511 for(
size_t i=0UL; i<m; ++i )
513 const LeftIterator lend( A.end(i) );
514 const RightIterator rend( B.end(i) );
516 LeftIterator l( A.begin(i) );
517 RightIterator r( B.begin(i) );
519 while( l != lend && r != rend )
521 if( l->index() < r->index() ) {
522 (~lhs).append( i, l->index(), l->value() );
525 else if( l->index() > r->index() ) {
526 (~lhs).append( i, r->index(), r->value() );
530 (~lhs).append( i, l->index(), l->value()+r->value() );
537 (~lhs).append( i, l->index(), l->value() );
542 (~lhs).append( i, r->index(), r->value() );
562 template<
typename MT >
563 friend inline typename EnableIf< UseSymmetricKernel<MT,MT1,MT2> >::Type
590 template<
typename MT
621 template<
typename MT
670 template<
typename MT
672 friend inline typename EnableIf< UseSMPAssign<MT> >::Type
704 template<
typename MT
706 friend inline typename EnableIf< UseSMPAssign<MT> >::Type
779 template<
typename T1
781 inline const SMatSMatAddExpr<T1,T2>
787 throw std::invalid_argument(
"Matrix sizes do not match" );
804 template<
typename MT1,
typename MT2 >
805 struct Rows< SMatSMatAddExpr<MT1,MT2> >
806 :
public Max< Rows<MT1>, Rows<MT2> >::Type
822 template<
typename MT1,
typename MT2 >
823 struct Columns< SMatSMatAddExpr<MT1,MT2> >
824 :
public Max< Columns<MT1>, Columns<MT2> >::Type
840 template<
typename MT1,
typename MT2 >
841 struct IsSymmetric< SMatSMatAddExpr<MT1,MT2> >
842 :
public IsTrue< IsSymmetric<MT1>::value && IsSymmetric<MT2>::value >
858 template<
typename MT1,
typename MT2 >
859 struct IsLower< SMatSMatAddExpr<MT1,MT2> >
860 :
public IsTrue< IsLower<MT1>::value && IsLower<MT2>::value >
876 template<
typename MT1,
typename MT2 >
877 struct IsUpper< SMatSMatAddExpr<MT1,MT2> >
878 :
public IsTrue< IsUpper<MT1>::value && IsUpper<MT2>::value >
894 template<
typename MT1,
typename MT2,
bool AF >
895 struct SubmatrixExprTrait< SMatSMatAddExpr<MT1,MT2>, AF >
899 typedef typename AddExprTrait< typename SubmatrixExprTrait<const MT1,AF>::Type
900 ,
typename SubmatrixExprTrait<const MT2,AF>::Type >::Type Type;
909 template<
typename MT1,
typename MT2 >
910 struct RowExprTrait< SMatSMatAddExpr<MT1,MT2> >
914 typedef typename AddExprTrait< typename RowExprTrait<const MT1>::Type
915 ,
typename RowExprTrait<const MT2>::Type >::Type Type;
924 template<
typename MT1,
typename MT2 >
925 struct ColumnExprTrait< SMatSMatAddExpr<MT1,MT2> >
929 typedef typename AddExprTrait< typename ColumnExprTrait<const MT1>::Type
930 ,
typename ColumnExprTrait<const MT2>::Type >::Type Type;
Header file for the Max class template.
Evaluation of the return type of an addition expression.Via this type trait it is possible to evaluat...
Definition: AddExprTrait.h:104
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
Header file for the Rows type trait.
RightOperand rhs_
Right-hand side sparse matrix of the addition expression.
Definition: SMatSMatAddExpr.h:296
LeftOperand leftOperand() const
Returns the left-hand side sparse matrix operand.
Definition: SMatSMatAddExpr.h:254
BLAZE_ALWAYS_INLINE MT::Iterator end(Matrix< MT, SO > &matrix, size_t i)
Returns an iterator just past the last element of row/column i.
Definition: Matrix.h:258
RightOperand rightOperand() const
Returns the right-hand side sparse matrix operand.
Definition: SMatSMatAddExpr.h:264
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:205
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:233
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2478
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:257
BLAZE_ALWAYS_INLINE size_t rows(const Matrix< MT, SO > &matrix)
Returns the current number of rows of the matrix.
Definition: Matrix.h:316
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:695
Header file for the Computation base class.
size_t columns() const
Returns the current number of columns of the matrix.
Definition: SMatSMatAddExpr.h:223
SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:168
Header file for the RequiresEvaluation type trait.
size_t rows() const
Returns the current number of rows of the matrix.
Definition: SMatSMatAddExpr.h:213
const ResultType CompositeType
Data type for composite expression templates.
Definition: SMatSMatAddExpr.h:165
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.
Compile time type selection.The SelectType class template selects one of the two given types T1 and T...
Definition: SelectType.h:59
Header file for the DisableIf class template.
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SMatSMatAddExpr.h:244
Header file for the IsTemporary type trait class.
Header file for the IsSymmetric type trait.
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SMatSMatAddExpr.h:288
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatSMatAddExpr.h:201
#define BLAZE_CONSTRAINT_MUST_BE_COLUMN_MAJOR_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a column-major dense or sparse matri...
Definition: StorageOrder.h:161
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SMatSMatAddExpr.h:162
MT1::ResultType RT1
Result type of the left-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:103
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SMatSMatAddExpr.h:158
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2482
BLAZE_ALWAYS_INLINE 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:635
Header file for the Columns type trait.
const DenseIterator< Type > operator+(const DenseIterator< Type > &it, ptrdiff_t inc)
Addition between a DenseIterator and an integral value.
Definition: DenseIterator.h:556
Header file for the IsLower type trait.
Constraints on the storage order of matrix types.
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatSMatAddExpr.h:157
Compile time check for symmetric matrices.This type trait tests whether or not the given template par...
Definition: IsSymmetric.h:85
MT2::CompositeType CT2
Composite type of the right-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:106
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_MATMATADDEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid matrix/matrix ...
Definition: MatMatAddExpr.h:165
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 EnableIf class template.
Header file for the serial shim.
MT2::ResultType RT2
Result type of the right-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:104
MT1::CompositeType CT1
Composite type of the left-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:105
Compile time check for resizable data types.This type trait tests whether the given data type is a re...
Definition: IsResizable.h:75
EnableIf< IsDenseMatrix< MT1 > >::Type smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:160
#define BLAZE_CONSTRAINT_MUST_NOT_BE_SYMMETRIC_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is a symmetric matrix type, a compilation error is created.
Definition: Symmetric.h:116
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:2477
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:108
Header file for run time assertion macros.
Base template for the AddTrait class.
Definition: AddTrait.h:142
Header file for the addition trait.
BLAZE_ALWAYS_INLINE 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:742
MT1::ReturnType RN1
Return type of the left-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:107
Constraint on the data type.
AddExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SMatSMatAddExpr.h:121
AddTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SMatSMatAddExpr.h:156
Header file for the isDefault shim.
BLAZE_ALWAYS_INLINE bool isDefault(const NonNumericProxy< MT > &proxy)
Returns whether the represented element is in default state.
Definition: NonNumericProxy.h:874
Constraint on the data type.
Header file for the MatMatAddExpr base class.
Header file for the RemoveReference type trait.
ResultType::ElementType ElementType
Resulting element type.
Definition: SMatSMatAddExpr.h:159
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SMatSMatAddExpr.h:276
SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: SMatSMatAddExpr.h:171
const DMatTransExpr< MT,!SO > trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:932
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
EnableIf< IsDenseMatrix< MT1 > >::Type smpAddAssign(Matrix< 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:129
#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:2473
Header file for the IsTrue value trait.
SMatSMatAddExpr(const MT1 &lhs, const MT2 &rhs)
Constructor for the SMatSMatAddExpr class.
Definition: SMatSMatAddExpr.h:185
BLAZE_ALWAYS_INLINE size_t columns(const Matrix< MT, SO > &matrix)
Returns the current number of columns of the matrix.
Definition: Matrix.h:332
Header file for basic type definitions.
SMatSMatAddExpr< MT1, MT2 > This
Type of this SMatSMatAddExpr instance.
Definition: SMatSMatAddExpr.h:155
Header file for the IsUpper type trait.
LeftOperand lhs_
Left-hand side sparse matrix of the addition expression.
Definition: SMatSMatAddExpr.h:295
Header file for the IsResizable type trait.
#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.
BLAZE_ALWAYS_INLINE 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:849