35#ifndef _BLAZE_MATH_EXPRESSIONS_DMATSCALARDIVEXPR_H_
36#define _BLAZE_MATH_EXPRESSIONS_DMATSCALARDIVEXPR_H_
137 static constexpr bool useAssign = IsComputation_v<MT> && RequiresEvaluation_v<MT>;
141 template<
typename MT2 >
142 static constexpr bool UseAssign_v =
useAssign;
154 template<
typename MT2 >
155 static constexpr bool UseSMPAssign_v =
156 ( ( !MT2::smpAssignable || !MT::smpAssignable ) &&
useAssign );
303 inline auto load() const noexcept {
432 ( MT::simdEnabled && IsNumeric_v<ET> &&
433 ( HasSIMDDiv_v<ET,ST> || HasSIMDDiv_v<UnderlyingElement_t<ET>,ST> ) );
532 inline size_t rows() const noexcept {
573 template<
typename T >
574 inline bool canAlias(
const T* alias )
const noexcept {
575 return IsExpression_v<MT> &&
matrix_.canAlias( alias );
585 template<
typename T >
586 inline bool isAliased(
const T* alias )
const noexcept {
587 return matrix_.isAliased( alias );
607 return matrix_.canSMPAssign() ||
608 (
rows() *
columns() >= SMP_DMATSCALARMULT_THRESHOLD );
632 template<
typename MT2
642 assign( *lhs, rhs.matrix_ );
643 assign( *lhs, (*lhs) / rhs.scalar_ );
662 template<
typename MT2
672 assign( *lhs, rhs.matrix_ );
673 (*lhs) /= rhs.scalar_;
692 template<
typename MT2
694 friend inline auto addAssign( DenseMatrix<MT2,SO2>& lhs,
const DMatScalarDivExpr& rhs )
695 -> EnableIf_t< UseAssign_v<MT2> >
707 addAssign( *lhs, tmp );
730 template<
typename MT2
732 friend inline auto subAssign( DenseMatrix<MT2,SO2>& lhs,
const DMatScalarDivExpr& rhs )
733 -> EnableIf_t< UseAssign_v<MT2> >
745 subAssign( *lhs, tmp );
768 template<
typename MT2
770 friend inline auto schurAssign( DenseMatrix<MT2,SO2>& lhs,
const DMatScalarDivExpr& rhs )
771 -> EnableIf_t< UseAssign_v<MT2> >
783 schurAssign( *lhs, tmp );
814 template<
typename MT2
817 -> EnableIf_t< UseSMPAssign_v<MT2> >
844 template<
typename MT2
847 -> EnableIf_t< UseSMPAssign_v<MT2> >
855 (*lhs) /= rhs.scalar_;
874 template<
typename MT2
877 -> EnableIf_t< UseSMPAssign_v<MT2> >
912 template<
typename MT2
915 -> EnableIf_t< UseSMPAssign_v<MT2> >
950 template<
typename MT2
953 -> EnableIf_t< UseSMPAssign_v<MT2> >
1009template<
typename MT
1011using DMatScalarDivExprHelper_t =
1012 If_t< IsFloatingPoint_v< UnderlyingBuiltin_t<MT> > ||
1013 IsFloatingPoint_v< UnderlyingBuiltin_t<ST> >
1014 , If_t< IsBuiltin_v<ST>
1015 , DivTrait_t< UnderlyingBuiltin_t<MT>, ST >
1016 ,
decltype(
inv( std::declval<ST>() ) ) >
1034template<
typename MT
1037 , EnableIf_t< !IsInvertible_v< DMatScalarDivExprHelper_t<MT,ST> > >* =
nullptr >
1038inline decltype(
auto) dmatscalardiv(
const DenseMatrix<MT,SO>& mat, ST scalar )
1042 using ScalarType = DMatScalarDivExprHelper_t<MT,ST>;
1043 using ReturnType =
const DMatScalarDivExpr<MT,ScalarType,SO>;
1045 return ReturnType( *mat, scalar );
1063template<
typename MT
1066 , EnableIf_t< IsInvertible_v< DMatScalarDivExprHelper_t<MT,ST> > >* =
nullptr >
1067inline decltype(
auto) dmatscalardiv(
const DenseMatrix<MT,SO>& mat, ST scalar )
1071 using ScalarType = DMatScalarDivExprHelper_t<MT,ST>;
1072 using ReturnType =
const DMatScalarMultExpr<MT,ScalarType,SO>;
1074 return ReturnType( *mat,
inv(scalar) );
1102template<
typename MT
1105 , EnableIf_t< IsScalar_v<ST> >* =
nullptr >
1112 return dmatscalardiv( *mat, scalar );
1127template<
typename MT,
typename ST,
bool SO >
1128struct IsAligned< DMatScalarDivExpr<MT,ST,SO> >
1129 :
public IsAligned<MT>
1145template<
typename MT,
typename ST,
bool SO >
1146struct IsPadded< DMatScalarDivExpr<MT,ST,SO> >
1147 :
public IsPadded<MT>
Header file for auxiliary alias declarations.
typename T::CompositeType CompositeType_t
Alias declaration for nested CompositeType type definitions.
Definition: Aliases.h:110
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::ConstIterator ConstIterator_t
Alias declaration for nested ConstIterator type definitions.
Definition: Aliases.h:130
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 division trait.
Header file for the EnableIf class template.
Constraint on the data type.
Header file for the function trace functionality.
Header file for the HasSIMDDiv type trait.
Macro for CUDA compatibility.
Header file for the If class template.
Header file for the invert shim.
Header file for the IsAligned type trait.
Header file for the IsBuiltin type trait.
Header file for the IsComputation type trait class.
Header file for the IsExpression type trait class.
Header file for the IsFloatingPoint type trait.
Header file for the IsInvertible type trait.
Header file for the IsNumeric type trait.
Header file for the IsPadded type trait.
Header file for the IsScalar type trait.
Header file for the IsTemporary type trait class.
Header file for the multiplication trait.
Header file for all SIMD functionality.
Constraint on the data type.
Header file for the UnderlyingBuiltin type trait.
Header file for the UnderlyingElement type trait.
Iterator over the elements of the dense matrix.
Definition: DMatScalarDivExpr.h:190
ElementType ValueType
Type of the underlying elements.
Definition: DMatScalarDivExpr.h:194
ElementType & ReferenceType
Reference return type.
Definition: DMatScalarDivExpr.h:196
BLAZE_DEVICE_CALLABLE const ConstIterator operator++(int)
Post-increment operator.
Definition: DMatScalarDivExpr.h:262
BLAZE_DEVICE_CALLABLE ConstIterator & operator--()
Pre-decrement operator.
Definition: DMatScalarDivExpr.h:272
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DMatScalarDivExpr.h:380
ReferenceType reference
Reference return type.
Definition: DMatScalarDivExpr.h:203
BLAZE_DEVICE_CALLABLE const ConstIterator operator--(int)
Post-decrement operator.
Definition: DMatScalarDivExpr.h:283
IteratorCategory iterator_category
The iterator category.
Definition: DMatScalarDivExpr.h:200
bool operator>=(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DMatScalarDivExpr.h:369
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DMatScalarDivExpr.h:336
ConstIterator(IteratorType iterator, RightOperand scalar)
Constructor for the ConstIterator class.
Definition: DMatScalarDivExpr.h:216
auto load() const noexcept
Access to the SIMD elements of the matrix.
Definition: DMatScalarDivExpr.h:303
ReturnType operator*() const
Direct access to the element at the current iterator position.
Definition: DMatScalarDivExpr.h:293
BLAZE_DEVICE_CALLABLE ConstIterator & operator++()
Pre-increment operator.
Definition: DMatScalarDivExpr.h:251
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DMatScalarDivExpr.h:392
IteratorType iterator_
Iterator to the current element.
Definition: DMatScalarDivExpr.h:423
DifferenceType difference_type
Difference between two iterators.
Definition: DMatScalarDivExpr.h:204
friend const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DMatScalarDivExpr.h:416
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DMatScalarDivExpr.h:325
BLAZE_DEVICE_CALLABLE ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DMatScalarDivExpr.h:240
ElementType * PointerType
Pointer return type.
Definition: DMatScalarDivExpr.h:195
RightOperand scalar_
Scalar of the multiplication expression.
Definition: DMatScalarDivExpr.h:424
friend const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DMatScalarDivExpr.h:404
BLAZE_DEVICE_CALLABLE ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DMatScalarDivExpr.h:228
ConstIterator_t< MT > IteratorType
ConstIterator type of the dense matrix expression.
Definition: DMatScalarDivExpr.h:207
ValueType value_type
Type of the underlying elements.
Definition: DMatScalarDivExpr.h:201
PointerType pointer
Pointer return type.
Definition: DMatScalarDivExpr.h:202
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DMatScalarDivExpr.h:358
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DMatScalarDivExpr.h:193
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DMatScalarDivExpr.h:197
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DMatScalarDivExpr.h:314
bool operator>(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DMatScalarDivExpr.h:347
Expression object for divisions of a dense matrix by a scalar.
Definition: DMatScalarDivExpr.h:107
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DMatScalarDivExpr.h:436
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row/column i.
Definition: DMatScalarDivExpr.h:522
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: DMatScalarDivExpr.h:606
ElementType_t< MT > ET
Element type of the dense matrix expression.
Definition: DMatScalarDivExpr.h:112
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DMatScalarDivExpr.h:596
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: DMatScalarDivExpr.h:123
ST RightOperand
Composite type of the right-hand side scalar value.
Definition: DMatScalarDivExpr.h:183
ReturnType_t< MT > RN
Return type of the dense matrix expression.
Definition: DMatScalarDivExpr.h:111
size_t columns() const noexcept
Returns the current number of columns of the matrix.
Definition: DMatScalarDivExpr.h:542
RightOperand rightOperand() const noexcept
Returns the right-hand side scalar operand.
Definition: DMatScalarDivExpr.h:562
LeftOperand matrix_
Left-hand side dense matrix of the division expression.
Definition: DMatScalarDivExpr.h:614
ConstIterator begin(size_t i) const
Returns an iterator to the first non-zero element of row/column i.
Definition: DMatScalarDivExpr.h:511
If_t< IsExpression_v< MT >, const MT, const MT & > LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: DMatScalarDivExpr.h:180
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DMatScalarDivExpr.h:574
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DMatScalarDivExpr.h:174
DivTrait_t< RT, ST > ResultType
Result type for expression template evaluations.
Definition: DMatScalarDivExpr.h:168
BLAZE_ALWAYS_INLINE auto load(size_t i, size_t j) const noexcept
Access to the SIMD elements of the matrix.
Definition: DMatScalarDivExpr.h:496
CompositeType_t< MT > CT
Composite type of the dense matrix expression.
Definition: DMatScalarDivExpr.h:113
size_t rows() const noexcept
Returns the current number of rows of the matrix.
Definition: DMatScalarDivExpr.h:532
OppositeType_t< ResultType > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: DMatScalarDivExpr.h:169
RightOperand scalar_
Right-hand side scalar of the division expression.
Definition: DMatScalarDivExpr.h:615
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense matrix operand.
Definition: DMatScalarDivExpr.h:552
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: DMatScalarDivExpr.h:478
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: DMatScalarDivExpr.h:431
If_t< useAssign, const ResultType, const DMatScalarDivExpr & > CompositeType
Data type for composite expression templates.
Definition: DMatScalarDivExpr.h:177
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DMatScalarDivExpr.h:170
ResultType_t< MT > RT
Result type of the dense matrix expression.
Definition: DMatScalarDivExpr.h:110
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: DMatScalarDivExpr.h:463
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: DMatScalarDivExpr.h:171
static constexpr bool useAssign
Compilation switch for the serial evaluation strategy of the division expression.
Definition: DMatScalarDivExpr.h:137
DMatScalarDivExpr(const MT &matrix, ST scalar) noexcept
Constructor for the DMatScalarDivExpr class.
Definition: DMatScalarDivExpr.h:450
static constexpr size_t SIMDSIZE
The number of elements packed within a single SIMD element.
Definition: DMatScalarDivExpr.h:441
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DMatScalarDivExpr.h:586
decltype(std::declval< RN >()/std::declval< ST >()) ExprReturnType
Expression return type for the subscript operator.
Definition: DMatScalarDivExpr.h:126
Base class for dense matrices.
Definition: DenseMatrix.h:82
SIMD characteristics of data types.
Definition: SIMDTrait.h:297
Base class for sparse matrices.
Definition: SparseMatrix.h:77
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 MatScalarDivExpr base class.
#define BLAZE_CONSTRAINT_MUST_NOT_BE_FLOATING_POINT_TYPE(T)
Constraint on the data type.
Definition: FloatingPoint.h:81
#define BLAZE_CONSTRAINT_MUST_BE_SAME_TYPE(A, B)
Data type constraint.
Definition: SameType.h:71
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:812
decltype(auto) inv(const DenseMatrix< MT, SO > &dm)
Calculation of the inverse of the given dense matrix.
Definition: DMatInvExpr.h:405
#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_SCALAR_TYPE(T)
Constraint on the data type.
Definition: Scalar.h:61
#define BLAZE_CONSTRAINT_MUST_BE_MATRIX_WITH_STORAGE_ORDER(T, SO)
Constraint on the data type.
Definition: StorageOrder.h:63
typename DivTrait< T1, T2 >::Type DivTrait_t
Auxiliary alias declaration for the DivTrait class template.
Definition: DivTrait.h:164
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.
Definition: Assert.h:101
#define BLAZE_USER_ASSERT(expr, msg)
Run time assertion macro for user checks.
Definition: Assert.h:117
BLAZE_ALWAYS_INLINE const EnableIf_t< IsIntegral_v< T > &&HasSize_v< T, 1UL >, If_t< IsSigned_v< T >, SIMDint8, SIMDuint8 > > set(T value) noexcept
Sets all values in the vector to the given 1-byte integral value.
Definition: Set.h:75
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
#define BLAZE_ALWAYS_INLINE
Platform dependent setup of an enforced inline keyword.
Definition: Inline.h:85
#define BLAZE_DEVICE_CALLABLE
Conditional macro that sets host and device attributes when compiled with CUDA.
Definition: HostDevice.h:94
typename EnableIf< Condition, T >::Type EnableIf_t
Auxiliary type for the EnableIf class template.
Definition: EnableIf.h:138
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_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/scalar division expression templates.
Definition: MatScalarDivExpr.h:75
System settings for the inline keywords.
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
Header file for the RequiresEvaluation type trait.
Header file for basic type definitions.