35#ifndef _BLAZE_MATH_EXPRESSIONS_SMATDMATSUBEXPR_H_
36#define _BLAZE_MATH_EXPRESSIONS_SMATDMATSUBEXPR_H_
89 :
public MatMatSubExpr< DenseMatrix< SMatDMatSubExpr<MT1,MT2,SO>, SO > >
107 static constexpr bool returnExpr = !IsTemporary_v<RN1> && !IsTemporary_v<RN2>;
120 template<
typename MT >
121 static constexpr bool UseSMPAssign_v = ( !MT1::smpAssignable || !MT2::smpAssignable );
197 if( i >=
lhs_.rows() ) {
200 if( j >=
lhs_.columns() ) {
212 inline size_t rows() const noexcept {
223 return lhs_.columns();
253 template<
typename T >
254 inline bool canAlias(
const T* alias )
const noexcept {
255 return (
lhs_.canAlias( alias ) ) ||
256 ( IsExpression_v<MT2> &&
rhs_.canAlias( alias ) );
266 template<
typename T >
267 inline bool isAliased(
const T* alias )
const noexcept {
268 return lhs_.isAliased( alias ) ||
rhs_.isAliased( alias );
290 template<
typename MT
299 assign ( *lhs, -rhs.
rhs_ );
300 addAssign( *lhs, rhs.
lhs_ );
317 template<
typename MT
335 const TmpType tmp(
serial( rhs ) );
353 template<
typename MT
355 friend inline void addAssign( DenseMatrix<MT,SO2>& lhs,
const SMatDMatSubExpr& rhs )
362 subAssign( *lhs, rhs.rhs_ );
363 addAssign( *lhs, rhs.lhs_ );
384 template<
typename MT
386 friend inline void subAssign( DenseMatrix<MT,SO2>& lhs,
const SMatDMatSubExpr& rhs )
393 addAssign( *lhs, rhs.rhs_ );
394 subAssign( *lhs, rhs.lhs_ );
416 template<
typename MT
418 friend inline void schurAssign( DenseMatrix<MT,SO2>& lhs,
const SMatDMatSubExpr& rhs )
430 schurAssign( *lhs, tmp );
461 template<
typename MT
464 -> EnableIf_t< UseSMPAssign_v<MT> >
491 template<
typename MT
494 -> EnableIf_t< UseSMPAssign_v<MT> >
498 using TmpType = If_t< SO == SO2, ResultType, OppositeType >;
510 const TmpType tmp( rhs );
530 template<
typename MT
533 -> EnableIf_t< UseSMPAssign_v<MT> >
564 template<
typename MT
567 -> EnableIf_t< UseSMPAssign_v<MT> >
599 template<
typename MT
602 -> EnableIf_t< UseSMPAssign_v<MT> >
664template<
typename MT1
667 , DisableIf_t< IsZero_v<MT1> &&
668 IsSame_v< ElementType_t<MT1>, ElementType_t<MT2> > >* =
nullptr >
669inline const SMatDMatSubExpr<MT1,MT2,SO>
670 smatdmatsub(
const SparseMatrix<MT1,SO>& lhs,
const DenseMatrix<MT2,SO>& rhs )
677 return SMatDMatSubExpr<MT1,MT2,SO>( *lhs, *rhs );
696template<
typename MT1
699 , EnableIf_t< IsZero_v<MT1> &&
700 IsSame_v< ElementType_t<MT1>, ElementType_t<MT2> > >* =
nullptr >
702 smatdmatsub(
const SparseMatrix<MT1,SO>& lhs,
const DenseMatrix<MT2,SO>& rhs )
746template<
typename MT1
754 if( (*lhs).rows() != (*rhs).rows() || (*lhs).columns() != (*rhs).columns() ) {
758 return smatdmatsub( *lhs, *rhs );
784template<
typename MT1
790 operator+(
const SMatDMatSubExpr<MT1,MT2,SO1>& lhs,
const DenseMatrix<MT3,SO2>& rhs )
794 return ( (*rhs) - lhs.rightOperand() ) + lhs.leftOperand();
813template<
typename MT1
819 operator-(
const SMatDMatSubExpr<MT1,MT2,SO1>& lhs,
const DenseMatrix<MT3,SO2>& rhs )
823 return lhs.leftOperand() - ( lhs.rightOperand() + (*rhs) );
Header file for auxiliary alias declarations.
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.
Definition: Aliases.h:470
typename T::ResultType ResultType_t
Alias declaration for nested ResultType type definitions.
Definition: Aliases.h:450
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.
Definition: Aliases.h:190
typename T::OppositeType OppositeType_t
Alias declaration for nested OppositeType type definitions.
Definition: Aliases.h:310
typename T::TransposeType TransposeType_t
Alias declaration for nested TransposeType type definitions.
Definition: Aliases.h:550
Header file for run time assertion macros.
Header file for the EnableIf class template.
Header file for the function trace functionality.
Header file for the If class template.
Header file for the IntegralConstant class template.
Header file for the IsExpression type trait class.
Header file for the IsSame and IsStrictlySame type traits.
Header file for the IsTemporary type trait class.
Header file for the MAYBE_UNUSED function template.
Header file for the subtraction trait.
Base class for dense matrices.
Definition: DenseMatrix.h:82
Expression object for sparse matrix-dense matrix subtractions.
Definition: SMatDMatSubExpr.h:91
If_t< IsExpression_v< MT1 >, const MT1, const MT1 & > LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: SMatDMatSubExpr.h:145
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse matrix operand.
Definition: SMatDMatSubExpr.h:232
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: SMatDMatSubExpr.h:136
ResultType_t< MT1 > RT1
Result type of the left-hand side sparse matrix expression.
Definition: SMatDMatSubExpr.h:94
const ResultType CompositeType
Data type for composite expression templates.
Definition: SMatDMatSubExpr.h:142
size_t rows() const noexcept
Returns the current number of rows of the matrix.
Definition: SMatDMatSubExpr.h:212
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: SMatDMatSubExpr.h:156
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatDMatSubExpr.h:181
decltype(std::declval< RN1 >() - std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: SMatDMatSubExpr.h:110
OppositeType_t< ResultType > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatDMatSubExpr.h:134
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: SMatDMatSubExpr.h:196
If_t< IsExpression_v< MT2 >, const MT2, const MT2 & > RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: SMatDMatSubExpr.h:148
ReturnType_t< MT1 > RN1
Return type of the left-hand side sparse matrix expression.
Definition: SMatDMatSubExpr.h:96
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SMatDMatSubExpr.h:267
RightOperand rhs_
Right-hand side dense matrix of the subtraction expression.
Definition: SMatDMatSubExpr.h:275
size_t columns() const noexcept
Returns the current number of columns of the matrix.
Definition: SMatDMatSubExpr.h:222
ReturnType_t< MT2 > RN2
Return type of the right-hand side dense matrix expression.
Definition: SMatDMatSubExpr.h:97
RightOperand rightOperand() const noexcept
Returns the right-hand side dense matrix operand.
Definition: SMatDMatSubExpr.h:242
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: SMatDMatSubExpr.h:107
ResultType_t< MT2 > RT2
Result type of the right-hand side dense matrix expression.
Definition: SMatDMatSubExpr.h:95
SubTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: SMatDMatSubExpr.h:133
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: SMatDMatSubExpr.h:153
SMatDMatSubExpr(const MT1 &lhs, const MT2 &rhs) noexcept
Constructor for the SMatDMatSubExpr class.
Definition: SMatDMatSubExpr.h:165
LeftOperand lhs_
Left-hand side sparse matrix of the subtraction expression.
Definition: SMatDMatSubExpr.h:274
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SMatDMatSubExpr.h:254
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: SMatDMatSubExpr.h:139
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SMatDMatSubExpr.h:135
Base class for sparse matrices.
Definition: SparseMatrix.h:77
Constraint on the data type.
Constraint on the data type.
Constraint on the data type.
Constraint on the data type.
Header file for the Computation base class.
Header file for the DenseMatrix base class.
Header file for the MatMatSubExpr base class.
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:812
#define BLAZE_CONSTRAINT_MATRICES_MUST_HAVE_SAME_STORAGE_ORDER(T1, T2)
Constraint on the data type.
Definition: StorageOrder.h:84
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_MATMATSUBEXPR(T1, T2)
Constraint on the data type.
Definition: MatMatSubExpr.h:103
#define BLAZE_CONSTRAINT_MUST_NOT_REQUIRE_EVALUATION(T)
Constraint on the data type.
Definition: RequiresEvaluation.h:81
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_MATRIX_TYPE(T)
Constraint on the data type.
Definition: DenseMatrix.h:61
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_MATRIX_TYPE(T)
Constraint on the data type.
Definition: SparseMatrix.h:61
#define BLAZE_CONSTRAINT_MUST_BE_MATRIX_WITH_STORAGE_ORDER(T, SO)
Constraint on the data type.
Definition: StorageOrder.h:63
typename SubTrait< T1, T2 >::Type SubTrait_t
Auxiliary alias declaration for the SubTrait class template.
Definition: SubTrait.h:163
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.
Definition: Assert.h:101
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
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
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
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
constexpr void MAYBE_UNUSED(const Args &...)
Suppression of unused parameter warnings.
Definition: MaybeUnused.h:81
typename If< Condition >::template Type< T1, T2 > If_t
Auxiliary alias template for the If class template.
Definition: If.h:108
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.
Definition: Exception.h:331
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.
Definition: Exception.h:235
#define BLAZE_FUNCTION_TRACE
Function trace macro.
Definition: FunctionTrace.h:94
Header file for the exception macros of the math module.
Constraints on the storage order of matrix types.
Header file for all forward declarations for expression class templates.
Header file for the serial shim.
Base class for all compute expression templates.
Definition: Computation.h:68
Base class for all matrix/matrix subtraction expression templates.
Definition: MatMatSubExpr.h:69
Header file for the IsZero type trait.
Header file for basic type definitions.