35 #ifndef _BLAZE_MATH_EXPRESSIONS_TSMATSMATSUBEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_TSMATSMATSUBEXPR_H_
84 template<
typename MT1
86 class TSMatSMatSubExpr :
public SparseMatrix< TSMatSMatSubExpr<MT1,MT2>, false >
87 ,
private MatMatSubExpr
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();
337 template<
typename MT >
362 (~lhs).reserve( A.nonZeros() + B.nonZeros() );
365 for(
size_t i=0UL; i<(~lhs).
rows(); ++i )
367 const LeftIterator lend( A.end(i) );
368 const RightIterator rend( B.end(i) );
370 LeftIterator l( A.begin(i) );
371 RightIterator r( B.begin(i) );
373 while( l != lend && r != rend )
375 if( l->index() < r->index() ) {
376 (~lhs).append( i, l->index(), l->value() );
379 else if( l->index() > r->index() ) {
380 (~lhs).append( i, r->index(), -r->value() );
384 (~lhs).append( i, l->index(), l->value()-r->value() );
391 (~lhs).append( i, l->index(), l->value() );
396 (~lhs).append( i, r->index(), -r->value() );
400 (~lhs).finalize( i );
419 template<
typename MT >
444 (~lhs).reserve( A.nonZeros() + B.nonZeros() );
447 for(
size_t j=0UL; j<(~lhs).
columns(); ++j )
449 const LeftIterator lend( A.end(j) );
450 const RightIterator rend( B.end(j) );
452 LeftIterator l( A.begin(j) );
453 RightIterator r( B.begin(j) );
455 while( l != lend && r != rend )
457 if( l->index() < r->index() ) {
458 (~lhs).append( l->index(), j, l->value() );
461 else if( l->index() > r->index() ) {
462 (~lhs).append( r->index(), j, -r->value() );
466 (~lhs).append( l->index(), j, l->value()-r->value() );
473 (~lhs).append( l->index(), j, l->value() );
478 (~lhs).append( r->index(), j, -r->value() );
482 (~lhs).finalize( j );
501 template<
typename MT
533 template<
typename MT
583 template<
typename MT
585 friend inline typename EnableIf< UseSMPAssign<MT> >::Type
618 template<
typename MT
620 friend inline typename EnableIf< UseSMPAssign<MT> >::Type
695 template<
typename T1
697 inline const TSMatSMatSubExpr<T1,T2>
703 throw std::invalid_argument(
"Matrix sizes do not match" );
720 template<
typename MT1,
typename MT2,
bool AF >
721 struct SubmatrixExprTrait< TSMatSMatSubExpr<MT1,MT2>, AF >
725 typedef typename SubExprTrait< typename SubmatrixExprTrait<const MT1,AF>::Type
726 ,
typename SubmatrixExprTrait<const MT2,AF>::Type >::Type Type;
735 template<
typename MT1,
typename MT2 >
736 struct RowExprTrait< TSMatSMatSubExpr<MT1,MT2> >
740 typedef typename SubExprTrait< typename RowExprTrait<const MT1>::Type
741 ,
typename RowExprTrait<const MT2>::Type >::Type Type;
750 template<
typename MT1,
typename MT2 >
751 struct ColumnExprTrait< TSMatSMatSubExpr<MT1,MT2> >
755 typedef typename SubExprTrait< typename ColumnExprTrait<const MT1>::Type
756 ,
typename ColumnExprTrait<const MT2>::Type >::Type Type;
SubTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: TSMatSMatSubExpr.h:130
size_t rows() const
Returns the current number of rows of the matrix.
Definition: TSMatSMatSubExpr.h:187
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: TSMatSMatSubExpr.h:250
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 subtraction trait.
const ResultType CompositeType
Data type for composite expression templates.
Definition: TSMatSMatSubExpr.h:139
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
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
ResultType::ElementType ElementType
Resulting element type.
Definition: TSMatSMatSubExpr.h:133
Header file for the ColumnExprTrait class template.
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
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.
Header file for the RequiresEvaluation type trait.
MT2::ResultType RT2
Result type of the right-hand side sparse matrix expression.
Definition: TSMatSMatSubExpr.h:93
CompressedMatrix< Type, false > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: CompressedMatrix.h:2404
MT1::ReturnType RN1
Return type of the left-hand side sparse matrix expression.
Definition: TSMatSMatSubExpr.h:94
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
SubExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: TSMatSMatSubExpr.h:110
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 IsTemporary type trait class.
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: TSMatSMatSubExpr.h:218
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: TSMatSMatSubExpr.h:207
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: TSMatSMatSubExpr.h:136
#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
MT1::CompositeType CT1
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatSMatSubExpr.h:96
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2412
MT2::CompositeType CT2
Composite type of the right-hand side sparse matrix expression.
Definition: TSMatSMatSubExpr.h:97
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
Header file for the MatMatSubExpr base class.
LeftOperand leftOperand() const
Returns the left-hand side transpose sparse matrix operand.
Definition: TSMatSMatSubExpr.h:228
SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: TSMatSMatSubExpr.h:145
Constraints on the storage order of matrix types.
Evaluation of the return type of a subtraction expression.Via this type trait it is possible to evalu...
Definition: SubExprTrait.h:103
LeftOperand lhs_
Left-hand side sparse matrix of the subtraction expression.
Definition: TSMatSMatSubExpr.h:269
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::ReturnType RN2
Return type of the right-hand side sparse matrix expression.
Definition: TSMatSMatSubExpr.h:95
Compile time check for resizable data types.This type trait tests whether the given data type is a re...
Definition: IsResizable.h:75
SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatSMatSubExpr.h:142
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
RightOperand rightOperand() const
Returns the right-hand side sparse matrix operand.
Definition: TSMatSMatSubExpr.h:238
Header file for run time assertion macros.
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
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: TSMatSMatSubExpr.h:131
const DenseIterator< Type > operator-(const DenseIterator< Type > &it, ptrdiff_t inc)
Subtraction between a DenseIterator and an integral value.
Definition: DenseIterator.h:585
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
Header file for the isDefault shim.
TSMatSMatSubExpr< MT1, MT2 > This
Type of this TSMatSMatSubExpr instance.
Definition: TSMatSMatSubExpr.h:129
TSMatSMatSubExpr(const MT1 &lhs, const MT2 &rhs)
Constructor for the TSMatSMatSubExpr class.
Definition: TSMatSMatSubExpr.h:159
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: TSMatSMatSubExpr.h:262
Header file for the RemoveReference type trait.
RightOperand rhs_
Right-hand side sparse matrix of the subtraction expression.
Definition: TSMatSMatSubExpr.h:270
size_t columns() const
Returns the current number of columns of the matrix.
Definition: TSMatSMatSubExpr.h:197
MT1::ResultType RT1
Result type of the left-hand side sparse matrix expression.
Definition: TSMatSMatSubExpr.h:92
Header file for the IsComputation type trait class.
#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
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: TSMatSMatSubExpr.h:175
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.
Base template for the SubTrait class.
Definition: SubTrait.h:141
Expression object for transpose sparse matrix-sparse matrix subtractions.The TSMatSMatSubExpr class r...
Definition: Forward.h:141
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: TSMatSMatSubExpr.h:132
Header file for the IsResizable type trait.
Header file for the SubExprTrait class template.
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.