35 #ifndef _BLAZE_MATH_EXPRESSIONS_DMATTDMATSUBEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DMATTDMATSUBEXPR_H_
83 template<
typename MT1
135 enum { vectorizable = 0 };
138 enum { smpAssignable = MT1::smpAssignable && MT2::smpAssignable };
186 return lhs_.columns();
216 template<
typename T >
229 template<
typename T >
231 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
241 return lhs_.isAligned() &&
rhs_.isAligned();
251 return lhs_.canSMPAssign() ||
rhs_.canSMPAssign() ||
274 template<
typename MT
287 const size_t m( rhs.
rows() );
288 const size_t n( rhs.
columns() );
289 const size_t block( 16UL );
291 for(
size_t ii=0UL; ii<m; ii+=block ) {
292 const size_t iend( ( m < ii+block )?( m ):( ii+block ) );
293 for(
size_t jj=0UL; jj<n; jj+=block ) {
294 const size_t jend( ( n < jj+block )?( n ):( jj+block ) );
295 for(
size_t i=ii; i<iend; ++i ) {
296 for(
size_t j=jj; j<jend; ++j ) {
297 (~lhs)(i,j) = rhs.
lhs_(i,j) - rhs.
rhs_(i,j);
330 template<
typename MT
348 const TmpType tmp( rhs );
367 template<
typename MT
378 if( !RequiresEvaluation<MT1>::value && !RequiresEvaluation<MT2>::value )
380 const size_t m( rhs.rows() );
381 const size_t n( rhs.columns() );
382 const size_t block( 16UL );
384 for(
size_t ii=0UL; ii<m; ii+=block ) {
385 const size_t iend( ( m < ii+block )?( m ):( ii+block ) );
386 for(
size_t jj=0UL; jj<n; jj+=block ) {
387 const size_t jend( ( n < jj+block )?( n ):( jj+block ) );
388 for(
size_t i=ii; i<iend; ++i ) {
389 for(
size_t j=jj; j<jend; ++j ) {
390 (~lhs)(i,j) += rhs.lhs_(i,j) - rhs.rhs_(i,j);
425 template<
typename MT
436 if( !RequiresEvaluation<MT1>::value && !RequiresEvaluation<MT2>::value )
438 const size_t m( rhs.rows() );
439 const size_t n( rhs.columns() );
440 const size_t block( 16UL );
442 for(
size_t ii=0UL; ii<m; ii+=block ) {
443 const size_t iend( ( m < ii+block )?( m ):( ii+block ) );
444 for(
size_t jj=0UL; jj<n; jj+=block ) {
445 const size_t jend( ( n < jj+block )?( n ):( jj+block ) );
446 for(
size_t i=ii; i<iend; ++i ) {
447 for(
size_t j=jj; j<jend; ++j ) {
448 (~lhs)(i,j) -= rhs.lhs_(i,j) - rhs.rhs_(i,j);
526 template<
typename T1
528 inline const DMatTDMatSubExpr<T1,T2>
534 throw std::invalid_argument(
"Matrix sizes do not match" );
570 template<
typename T1
572 inline const DMatTDMatSubExpr<T1,T2>
578 throw std::invalid_argument(
"Matrix sizes do not match" );
595 template<
typename MT1,
typename MT2,
bool AF >
596 struct SubmatrixExprTrait< DMatTDMatSubExpr<MT1,MT2>, AF >
600 typedef typename SubExprTrait< typename SubmatrixExprTrait<const MT1,AF>::Type
601 ,
typename SubmatrixExprTrait<const MT2,AF>::Type >::Type Type;
610 template<
typename MT1,
typename MT2 >
611 struct RowExprTrait< DMatTDMatSubExpr<MT1,MT2> >
615 typedef typename SubExprTrait< typename RowExprTrait<const MT1>::Type
616 ,
typename RowExprTrait<const MT2>::Type >::Type Type;
625 template<
typename MT1,
typename MT2 >
626 struct ColumnExprTrait< DMatTDMatSubExpr<MT1,MT2> >
630 typedef typename SubExprTrait< typename ColumnExprTrait<const MT1>::Type
631 ,
typename ColumnExprTrait<const MT2>::Type >::Type Type;
MT2::ReturnType RN2
Return type of the right-hand side dense matrix expression.
Definition: DMatTDMatSubExpr.h:94
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: DMatTDMatSubExpr.h:217
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.
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: DMatTDMatSubExpr.h:117
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:151
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:197
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional matrix type...
Definition: DenseMatrix.h:79
Header file for the ColumnExprTrait class template.
SubExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: DMatTDMatSubExpr.h:109
Header file for the sparse matrix SMP implementation.
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2384
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:249
LeftOperand lhs_
Left-hand side dense matrix of the subtraction expression.
Definition: DMatTDMatSubExpr.h:258
MT1::CompositeType CT1
Composite type of the left-hand side dense matrix expression.
Definition: DMatTDMatSubExpr.h:95
Header file for the Computation base class.
Header file for the RequiresEvaluation type trait.
MT1::ReturnType RN1
Return type of the left-hand side dense matrix expression.
Definition: DMatTDMatSubExpr.h:93
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:104
Constraint on the data type.
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: DMatTDMatSubExpr.h:121
const size_t SMP_DMATTDMATSUB_THRESHOLD
SMP row-major dense matrix/column-major dense matrix subtraction threshold.This threshold represents ...
Definition: Thresholds.h:407
MT2::ResultType RT2
Result type of the right-hand side dense matrix expression.
Definition: DMatTDMatSubExpr.h:92
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:121
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:90
Expression object for dense matrix-transpose dense matrix subtractions.The DMatTDMatSubExpr class rep...
Definition: DMatTDMatSubExpr.h:85
const ResultType CompositeType
Data type for composite expression templates.
Definition: DMatTDMatSubExpr.h:124
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.
MT1::ResultType RT1
Result type of the left-hand side dense matrix expression.
Definition: DMatTDMatSubExpr.h:91
Base class for all matrix/matrix subtraction expression templates.The MatMatSubExpr class serves as a...
Definition: MatMatSubExpr.h:65
#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
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: DMatTDMatSubExpr.h:230
Header file for the dense matrix SMP implementation.
Header file for the DenseMatrix base class.
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:179
ResultType::ElementType ElementType
Resulting element type.
Definition: DMatTDMatSubExpr.h:118
Header file for the MatMatSubExpr base class.
DMatTDMatSubExpr(const MT1 &lhs, const MT2 &rhs)
Constructor for the DMatTDMatSubExpr class.
Definition: DMatTDMatSubExpr.h:147
RightOperand rhs_
Right-hand side dense matrix of the subtraction expression.
Definition: DMatTDMatSubExpr.h:259
SubTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: DMatTDMatSubExpr.h:115
#define BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE(T)
Constraint on the data type.In case the given data type T is not a reference type, a compilation error is created.
Definition: Reference.h:78
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
Header file for the SelectType class template.
Header file for the RowExprTrait class template.
Header file for all forward declarations for expression class templates.
#define BLAZE_CONSTRAINT_MATRICES_MUST_HAVE_DIFFERENT_STORAGE_ORDER(T1, T2)
Constraint on the data type.In case either of the two given data types T1 or T2 is not a matrix type ...
Definition: StorageOrder.h:325
bool isAligned() const
Returns whether the operands of the expression are properly aligned in memory.
Definition: DMatTDMatSubExpr.h:240
MT2::CompositeType CT2
Composite type of the right-hand side dense matrix expression.
Definition: DMatTDMatSubExpr.h:96
void smpAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:91
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:2383
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:209
DMatTDMatSubExpr< MT1, MT2 > This
Type of this DMatTDMatSubExpr instance.
Definition: DMatTDMatSubExpr.h:114
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:239
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: DMatTDMatSubExpr.h:163
size_t rows() const
Returns the current number of rows of the matrix.
Definition: DMatTDMatSubExpr.h:175
SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: DMatTDMatSubExpr.h:127
#define BLAZE_CONSTRAINT_MATRICES_MUST_HAVE_SAME_STORAGE_ORDER(T1, T2)
Constraint on the data type.In case either of the two given data types T1 or T2 is not a matrix type ...
Definition: StorageOrder.h:283
SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
Composite type of the right-hand side dense matrix expression.
Definition: DMatTDMatSubExpr.h:130
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:59
#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
LeftOperand leftOperand() const
Returns the left-hand side dense matrix operand.
Definition: DMatTDMatSubExpr.h:195
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2379
size_t columns(const Matrix< MT, SO > &m)
Returns the current number of columns of the matrix.
Definition: Matrix.h:154
RightOperand rightOperand() const
Returns the right-hand side transpose dense matrix operand.
Definition: DMatTDMatSubExpr.h:205
Header file for basic type definitions.
Base template for the SubTrait class.
Definition: SubTrait.h:141
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: DMatTDMatSubExpr.h:116
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: DMatTDMatSubExpr.h:250
size_t columns() const
Returns the current number of columns of the matrix.
Definition: DMatTDMatSubExpr.h:185
Header file for the SubExprTrait class template.
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
size_t rows(const Matrix< MT, SO > &m)
Returns the current number of rows of the matrix.
Definition: Matrix.h:138
#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
Compile time check whether the given type is an expression template.This type trait class tests wheth...
Definition: IsExpression.h:87
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.