35 #ifndef _BLAZE_MATH_EXPRESSIONS_DMATSMATSUBEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_DMATSMATSUBEXPR_H_ 87 template<
typename MT1
91 :
public MatMatSubExpr< DenseMatrix< DMatSMatSubExpr<MT1,MT2,SO>, SO > >
109 static constexpr
bool returnExpr = ( !IsTemporary_v<RN1> && !IsTemporary_v<RN2> );
122 template<
typename MT >
195 if( i >=
lhs_.rows() ) {
198 if( j >=
lhs_.columns() ) {
210 inline size_t rows() const noexcept {
221 return lhs_.columns();
251 template<
typename T >
252 inline bool canAlias(
const T* alias )
const noexcept {
253 return ( IsExpression_v<MT1> &&
lhs_.canAlias( alias ) ) ||
254 (
rhs_.canAlias( alias ) );
264 template<
typename T >
265 inline bool isAliased(
const T* alias )
const noexcept {
266 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
288 template<
typename MT
297 if( !IsOperation_v<MT1> &&
isSame( ~lhs, rhs.
lhs_ ) ) {
298 subAssign( ~lhs, rhs.
rhs_ );
301 assign ( ~lhs, rhs.
lhs_ );
302 subAssign( ~lhs, rhs.
rhs_ );
320 template<
typename MT
338 const TmpType tmp(
serial( rhs ) );
356 template<
typename MT
358 friend inline void addAssign( DenseMatrix<MT,SO2>& lhs,
const DMatSMatSubExpr& rhs )
365 addAssign( ~lhs, rhs.lhs_ );
366 subAssign( ~lhs, rhs.rhs_ );
387 template<
typename MT
389 friend inline void subAssign( DenseMatrix<MT,SO2>& lhs,
const DMatSMatSubExpr& rhs )
396 subAssign( ~lhs, rhs.lhs_ );
397 addAssign( ~lhs, rhs.rhs_ );
418 template<
typename MT
420 friend inline void schurAssign( DenseMatrix<MT,SO2>& lhs,
const DMatSMatSubExpr& rhs )
432 schurAssign( ~lhs, tmp );
463 template<
typename MT
466 -> EnableIf_t< UseSMPAssign_v<MT> >
473 if( !IsOperation_v<MT1> &&
isSame( ~lhs, rhs.lhs_ ) ) {
498 template<
typename MT
501 -> EnableIf_t< UseSMPAssign_v<MT> >
505 using TmpType = If_t< SO == SO2, ResultType, OppositeType >;
517 const TmpType tmp( rhs );
537 template<
typename MT
540 -> EnableIf_t< UseSMPAssign_v<MT> >
571 template<
typename MT
574 -> EnableIf_t< UseSMPAssign_v<MT> >
606 template<
typename MT
609 -> EnableIf_t< UseSMPAssign_v<MT> >
671 template<
typename MT1
674 , DisableIf_t< IsZero_v<MT2> &&
675 IsSame_v< ElementType_t<MT1>, ElementType_t<MT2> > >* =
nullptr >
676 inline const DMatSMatSubExpr<MT1,MT2,SO>
677 dmatsmatsub(
const DenseMatrix<MT1,SO>& lhs,
const SparseMatrix<MT2,SO>& rhs )
684 return DMatSMatSubExpr<MT1,MT2,SO>( ~lhs, ~rhs );
703 template<
typename MT1
706 , EnableIf_t< IsZero_v<MT2> &&
707 IsSame_v< ElementType_t<MT1>, ElementType_t<MT2> > >* =
nullptr >
709 dmatsmatsub(
const DenseMatrix<MT1,SO>& lhs,
const SparseMatrix<MT2,SO>& rhs )
753 template<
typename MT1
756 inline decltype(
auto)
765 return dmatsmatsub( ~lhs, ~rhs );
791 template<
typename MT1
796 inline decltype(
auto)
797 operator+( const DMatSMatSubExpr<MT1,MT2,SO1>& lhs, const DenseMatrix<MT3,SO2>& rhs )
801 return ( lhs.leftOperand() + (~rhs) ) - lhs.rightOperand();
820 template<
typename MT1
825 inline decltype(
auto)
826 operator-( const DMatSMatSubExpr<MT1,MT2,SO1>& lhs, const DenseMatrix<MT3,SO2>& rhs )
830 return ( lhs.leftOperand() - (~rhs) ) - lhs.rightOperand();
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
RightOperand rhs_
Right-hand side sparse matrix of the subtraction expression.
Definition: DMatSMatSubExpr.h:273
Header file for auxiliary alias declarations.
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.
bool isSame(const Matrix< MT1, SO1 > &a, const Matrix< MT2, SO2 > &b) noexcept
Returns whether the two given matrices represent the same observable state.
Definition: Matrix.h:992
Header file for basic type definitions.
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DMatSMatSubExpr.h:252
If_t< IsExpression_v< MT2 >, const MT2, const MT2 &> RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: DMatSMatSubExpr.h:146
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: DMatSMatSubExpr.h:179
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
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.
size_t columns() const noexcept
Returns the current number of columns of the matrix.
Definition: DMatSMatSubExpr.h:220
static constexpr bool smpAssignable
Compilation flag for SMP assignments.
Definition: CompressedMatrix.h:3113
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DMatSMatSubExpr.h:265
Header file for the Computation base class.
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: DMatSMatSubExpr.h:109
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
ResultType_t< MT1 > RT1
Result type of the left-hand side dense matrix expression.
Definition: DMatSMatSubExpr.h:96
Constraint on the data type.
Constraint on the data type.
If_t< IsExpression_v< MT1 >, const MT1, const MT1 &> LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: DMatSMatSubExpr.h:143
decltype(std::declval< RN1 >() - std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: DMatSMatSubExpr.h:112
Header file for the DisableIf class template.
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: DMatSMatSubExpr.h:134
Header file for the IsTemporary type trait class.
LeftOperand lhs_
Left-hand side dense matrix of the subtraction expression.
Definition: DMatSMatSubExpr.h:272
RightOperand rightOperand() const noexcept
Returns the right-hand side sparse matrix operand.
Definition: DMatSMatSubExpr.h:240
Base class for all matrix/matrix subtraction expression templates.The MatMatSubExpr class serves as a...
Definition: MatMatSubExpr.h:67
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Header file for the If class template.
const ResultType CompositeType
Data type for composite expression templates.
Definition: DMatSMatSubExpr.h:140
#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
Header file for the DenseMatrix base class.
Header file for the MatMatSubExpr base class.
Header file for the IsOperation type trait class.
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DMatSMatSubExpr.h:154
Constraints on the storage order of matrix types.
OppositeType_t< ResultType > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: DMatSMatSubExpr.h:132
Header file for the exception macros of the math module.
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
ReturnType_t< MT2 > RN2
Return type of the right-hand side sparse matrix expression.
Definition: DMatSMatSubExpr.h:99
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DMatSMatSubExpr.h:133
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense matrix operand.
Definition: DMatSMatSubExpr.h:230
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.
Expression object for dense matrix-sparse matrix subtractions.The DMatSMatSubExpr class represents th...
Definition: DMatSMatSubExpr.h:90
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: DMatSMatSubExpr.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
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: DMatSMatSubExpr.h:151
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
size_t rows() const noexcept
Returns the current number of rows of the matrix.
Definition: DMatSMatSubExpr.h:210
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
#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
ReturnType_t< MT1 > RN1
Return type of the left-hand side dense matrix expression.
Definition: DMatSMatSubExpr.h:98
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DMatSMatSubExpr.h:137
ResultType_t< MT2 > RT2
Result type of the right-hand side sparse matrix expression.
Definition: DMatSMatSubExpr.h:97
DMatSMatSubExpr(const MT1 &lhs, const MT2 &rhs) noexcept
Constructor for the DMatSMatSubExpr class.
Definition: DMatSMatSubExpr.h:163
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
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:66
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
SubTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DMatSMatSubExpr.h:131
#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.