Array multiplication Perform the matrix product of the Array lhs by the Array rhs. More...

#include <STK_Array2D_Functors.h>

Public Types
enum	{ NbParam_ = 2 }

typedef Lhs	param1_type

typedef Rhs	param2_type

typedef hidden::Promote< typenamehidden::Traits< Lhs >::Type, typenamehidden::Traits< Rhs >::Type >::result_type	Type

typedef hidden::ProductArray2DReturnType< Type, Lhs::structure_, Rhs::structure_ >::result_type	result_type

Public Member Functions
	MultOp (ExprBase< Lhs > const &lhs, ExprBase< Rhs > const &rhs)

result_type	operator() ()

template<typename Weights >
result_type	operator() (ExprBase< Weights > const &weights)

Protected Attributes
param1_type const &	lhs_

param2_type const &	rhs_

Range	rows_

Range	cols_

result_type	res_

Detailed Description

template<typename Lhs, typename Rhs>
struct STK::Arrays::MultOp< Lhs, Rhs >

Array multiplication Perform the matrix product of the Array lhs by the Array rhs.

Definition at line 395 of file STK_Array2D_Functors.h.

Member Typedef Documentation

◆ param1_type

template<typename Lhs , typename Rhs >

typedef Lhs STK::Arrays::MultOp< Lhs, Rhs >::param1_type

Definition at line 398 of file STK_Array2D_Functors.h.

◆ param2_type

template<typename Lhs , typename Rhs >

typedef Rhs STK::Arrays::MultOp< Lhs, Rhs >::param2_type

Definition at line 399 of file STK_Array2D_Functors.h.

◆ result_type

template<typename Lhs , typename Rhs >

typedef hidden::ProductArray2DReturnType<Type,Lhs::structure_,Rhs::structure_>::result_type STK::Arrays::MultOp< Lhs, Rhs >::result_type

Definition at line 401 of file STK_Array2D_Functors.h.

◆ Type

template<typename Lhs , typename Rhs >

typedef hidden::Promote<typenamehidden::Traits<Lhs>::Type,typenamehidden::Traits<Rhs>::Type>::result_type STK::Arrays::MultOp< Lhs, Rhs >::Type

Definition at line 400 of file STK_Array2D_Functors.h.

Member Enumeration Documentation

◆ anonymous enum

template<typename Lhs , typename Rhs >

anonymous enum

Enumerator
NbParam_

Definition at line 397 of file STK_Array2D_Functors.h.

397{ NbParam_ = 2 };

STK::Arrays::MultOp::NbParam_

@ NbParam_

Definition STK_Array2D_Functors.h:397

Constructor & Destructor Documentation

◆ MultOp()

template<typename Lhs , typename Rhs >

STK::Arrays::MultOp< Lhs, Rhs >::MultOp	(	ExprBase< Lhs > const &	lhs,
		ExprBase< Rhs > const &	rhs
	)

inline

Definition at line 403 of file STK_Array2D_Functors.h.

       : lhs_(lhs.asDerived()), rhs_(rhs.asDerived())
       , rows_(lhs_.rows())
       , cols_(rhs_.cols())
       , res_()
   {}

Member Function Documentation

◆ operator()() [1/2]

template<typename Lhs , typename Rhs >

result_type STK::Arrays::MultOp< Lhs, Rhs >::operator() ( )

inline

Definition at line 410 of file STK_Array2D_Functors.h.

   {
     res_.resize(rows_, cols_);
     // for all cols and for all rows
     for (int j=res_.beginCols(); j<res_.endCols(); j++)
     {
       Integer const end = res_.rangeRowsInCol(j).end();
       for (int i=res_.rangeRowsInCol(j).begin(); i<end; i++)
       { res_(i, j) = dot(lhs_.row(i), rhs_.col(j));}
     }
     return res_;
   }

References STK::Arrays::MultOp< Lhs, Rhs >::cols_, STK::dot(), STK::Arrays::MultOp< Lhs, Rhs >::lhs_, STK::Arrays::MultOp< Lhs, Rhs >::res_, STK::Arrays::MultOp< Lhs, Rhs >::rhs_, and STK::Arrays::MultOp< Lhs, Rhs >::rows_.

◆ operator()() [2/2]

template<typename Lhs , typename Rhs >

template<typename Weights >

result_type STK::Arrays::MultOp< Lhs, Rhs >::operator() ( ExprBase< Weights > const & weights )

inline

Definition at line 423 of file STK_Array2D_Functors.h.

   {
     res_.resize(rows_, cols_);
     // for all cols and for all rows
     for (int j=res_.beginCols(); j<res_.endCols(); j++)
     {
       Integer const end = res_.rangeRowsInCol(j).end();
       for (int i=res_.rangeRowsInCol(j).begin(); i<end; i++)
       { res_(i, j) = weightedDot(lhs_.row(i), rhs_.col(j), weights);}
     }
     return res_;
   }