35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATDMATSUBEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_SMATDMATSUBEXPR_H_ 86 template<
typename MT1
90 :
public MatMatSubExpr< DenseMatrix< SMatDMatSubExpr<MT1,MT2,SO>, SO > >
108 static constexpr
bool returnExpr = !IsTemporary_v<RN1> && !IsTemporary_v<RN2>;
121 template<
typename MT >
194 if( i >=
lhs_.rows() ) {
197 if( j >=
lhs_.columns() ) {
209 inline size_t rows() const noexcept {
220 return lhs_.columns();
250 template<
typename T >
251 inline bool canAlias(
const T* alias )
const noexcept {
252 return (
lhs_.canAlias( alias ) ) ||
253 ( IsExpression_v<MT2> &&
rhs_.canAlias( alias ) );
263 template<
typename T >
264 inline bool isAliased(
const T* alias )
const noexcept {
265 return lhs_.isAliased( alias ) ||
rhs_.isAliased( alias );
287 template<
typename MT
296 assign ( ~lhs, -rhs.rhs_ );
297 addAssign( ~lhs, rhs.lhs_ );
314 template<
typename MT
332 const TmpType tmp(
serial( rhs ) );
350 template<
typename MT
352 friend inline void addAssign( DenseMatrix<MT,SO2>& lhs,
const SMatDMatSubExpr& rhs )
359 subAssign( ~lhs, rhs.rhs_ );
360 addAssign( ~lhs, rhs.lhs_ );
381 template<
typename MT
383 friend inline void subAssign( DenseMatrix<MT,SO2>& lhs,
const SMatDMatSubExpr& rhs )
390 addAssign( ~lhs, rhs.rhs_ );
391 subAssign( ~lhs, rhs.lhs_ );
413 template<
typename MT
415 friend inline void schurAssign( DenseMatrix<MT,SO2>& lhs,
const SMatDMatSubExpr& rhs )
427 schurAssign( ~lhs, tmp );
458 template<
typename MT
461 -> EnableIf_t< UseSMPAssign_v<MT> >
488 template<
typename MT
491 -> EnableIf_t< UseSMPAssign_v<MT> >
495 using TmpType = If_t< SO == SO2, ResultType, OppositeType >;
507 const TmpType tmp( rhs );
527 template<
typename MT
530 -> EnableIf_t< UseSMPAssign_v<MT> >
561 template<
typename MT
564 -> EnableIf_t< UseSMPAssign_v<MT> >
596 template<
typename MT
599 -> EnableIf_t< UseSMPAssign_v<MT> >
661 template<
typename MT1
664 , DisableIf_t< IsZero_v<MT1> &&
665 IsSame_v< ElementType_t<MT1>, ElementType_t<MT2> > >* =
nullptr >
666 inline const SMatDMatSubExpr<MT1,MT2,SO>
667 smatdmatsub(
const SparseMatrix<MT1,SO>& lhs,
const DenseMatrix<MT2,SO>& rhs )
674 return SMatDMatSubExpr<MT1,MT2,SO>( ~lhs, ~rhs );
693 template<
typename MT1
696 , EnableIf_t< IsZero_v<MT1> &&
697 IsSame_v< ElementType_t<MT1>, ElementType_t<MT2> > >* =
nullptr >
698 inline decltype(
auto)
699 smatdmatsub( const SparseMatrix<MT1,SO>& lhs, const DenseMatrix<MT2,SO>& rhs )
743 template<
typename MT1
746 inline decltype(
auto)
755 return smatdmatsub( ~lhs, ~rhs );
781 template<
typename MT1
786 inline decltype(
auto)
787 operator+( const SMatDMatSubExpr<MT1,MT2,SO1>& lhs, const DenseMatrix<MT3,SO2>& rhs )
791 return ( (~rhs) - lhs.rightOperand() ) + lhs.leftOperand();
810 template<
typename MT1
815 inline decltype(
auto)
816 operator-( const SMatDMatSubExpr<MT1,MT2,SO1>& lhs, const DenseMatrix<MT3,SO2>& rhs )
820 return lhs.leftOperand() - ( lhs.rightOperand() + (~rhs) );
Constraint on the data type.
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.This macro encapsulates the default way o...
Definition: Exception.h:235
Header file for auxiliary alias declarations.
SMatDMatSubExpr(const MT1 &lhs, const MT2 &rhs) noexcept
Constructor for the SMatDMatSubExpr class.
Definition: SMatDMatSubExpr.h:162
typename SubTrait< T1, T2 >::Type SubTrait_t
Auxiliary alias declaration for the SubTrait class template.The SubTrait_t alias declaration provides...
Definition: SubTrait.h:238
Header file for the UNUSED_PARAMETER function template.
Header file for the subtraction trait.
Header file for basic type definitions.
typename If< Condition, T1, T2 >::Type If_t
Auxiliary alias declaration for the If class template.The If_t alias declaration provides a convenien...
Definition: If.h:109
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: SMatDMatSubExpr.h:136
typename T::ResultType ResultType_t
Alias declaration for nested ResultType type definitions.The ResultType_t alias declaration provides ...
Definition: Aliases.h:390
Header file for the serial shim.
#define BLAZE_CONSTRAINT_MUST_BE_MATRIX_WITH_STORAGE_ORDER(T, SO)
Constraint on the data type.In case the given data type T is not a dense or sparse matrix type and in...
Definition: StorageOrder.h:63
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:224
#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:61
Header file for the IsSame and IsStrictlySame type traits.
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: SMatDMatSubExpr.h:193
static constexpr bool smpAssignable
Compilation flag for SMP assignments.
Definition: CompressedMatrix.h:3113
ResultType_t< MT2 > RT2
Result type of the right-hand side dense matrix expression.
Definition: SMatDMatSubExpr.h:96
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SMatDMatSubExpr.h:251
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SMatDMatSubExpr.h:132
LeftOperand lhs_
Left-hand side sparse matrix of the subtraction expression.
Definition: SMatDMatSubExpr.h:271
size_t columns() const noexcept
Returns the current number of columns of the matrix.
Definition: SMatDMatSubExpr.h:219
RightOperand rhs_
Right-hand side dense matrix of the subtraction expression.
Definition: SMatDMatSubExpr.h:272
Header file for the Computation base class.
const ResultType CompositeType
Data type for composite expression templates.
Definition: SMatDMatSubExpr.h:139
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SMatDMatSubExpr.h:264
constexpr void UNUSED_PARAMETER(const Args &...)
Suppression of unused parameter warnings.
Definition: Unused.h:81
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
constexpr size_t columns(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of columns of the matrix.
Definition: Matrix.h:514
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:80
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:137
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
Constraint on the data type.
Constraint on the data type.
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatDMatSubExpr.h:178
Expression object for sparse matrix-dense matrix subtractions.The SMatDMatSubExpr class represents th...
Definition: Forward.h:117
Header file for the DisableIf class template.
Header file for the IsTemporary type trait class.
SubTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: SMatDMatSubExpr.h:130
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Header file for the If class template.
ReturnType_t< MT1 > RN1
Return type of the left-hand side sparse matrix expression.
Definition: SMatDMatSubExpr.h:97
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.This macro encapsulates the default way of Bl...
Definition: Exception.h:331
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: SMatDMatSubExpr.h:108
Header file for the DenseMatrix base class.
If_t< IsExpression_v< MT1 >, const MT1, const MT1 &> LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: SMatDMatSubExpr.h:142
Header file for the MatMatSubExpr base class.
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse matrix operand.
Definition: SMatDMatSubExpr.h:229
Constraints on the storage order of matrix types.
Header file for the exception macros of the math module.
If_t< IsExpression_v< MT2 >, const MT2, const MT2 &> RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: SMatDMatSubExpr.h:145
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: SMatDMatSubExpr.h:133
Constraint on the data type.
Header file for all forward declarations for expression class templates.
Header file for the EnableIf class template.
typename T::OppositeType OppositeType_t
Alias declaration for nested OppositeType type definitions.The OppositeType_t alias declaration provi...
Definition: Aliases.h:270
ResultType_t< MT1 > RT1
Result type of the left-hand side sparse matrix expression.
Definition: SMatDMatSubExpr.h:95
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: SMatDMatSubExpr.h:150
typename T::TransposeType TransposeType_t
Alias declaration for nested TransposeType type definitions.The TransposeType_t alias declaration pro...
Definition: Aliases.h:470
Header file for run time assertion macros.
OppositeType_t< ResultType > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatDMatSubExpr.h:131
auto smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:131
Header file for the IsZero type trait.
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:94
auto smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:100
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:808
#define BLAZE_CONSTRAINT_MUST_NOT_REQUIRE_EVALUATION(T)
Constraint on the data type.In case the given data type T requires an intermediate evaluation within ...
Definition: RequiresEvaluation.h:81
auto smpSchurAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP Schur product assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:194
constexpr size_t rows(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of rows of the matrix.
Definition: Matrix.h:498
size_t rows() const noexcept
Returns the current number of rows of the matrix.
Definition: SMatDMatSubExpr.h:209
#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:84
RightOperand rightOperand() const noexcept
Returns the right-hand side dense matrix operand.
Definition: SMatDMatSubExpr.h:239
auto smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:162
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: SMatDMatSubExpr.h:153
Header file for the IntegralConstant class template.
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_MATMATSUBEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid matrix/matrix ...
Definition: MatMatSubExpr.h:103
ReturnType_t< MT2 > RN2
Return type of the right-hand side dense matrix expression.
Definition: SMatDMatSubExpr.h:98
decltype(std::declval< RN1 >() - std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: SMatDMatSubExpr.h:111
#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:61
Header file for the IsExpression type trait class.
Header file for the function trace functionality.