99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
#pragma once
|
|
|
|
#include "Array.h"
|
|
#include "FullColumn.h"
|
|
#include "FullMatrix.h"
|
|
|
|
namespace MbD {
|
|
template<typename T>
|
|
class DiagonalMatrix : public Array<T>
|
|
{
|
|
//
|
|
public:
|
|
DiagonalMatrix(int count) : Array<T>(count) {}
|
|
DiagonalMatrix(int count, const T& value) : Array<T>(count, value) {}
|
|
DiagonalMatrix(std::initializer_list<T> list) : Array<T>{ list } {}
|
|
void atiputDiagonalMatrix(int i, std::shared_ptr < DiagonalMatrix<T>> diagMat);
|
|
std::shared_ptr<DiagonalMatrix<T>> times(T factor);
|
|
std::shared_ptr<FullColumn<T>> timesFullColumn(std::shared_ptr<FullColumn<T>> fullCol);
|
|
std::shared_ptr<FullMatrix<T>> timesFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat);
|
|
int nrow() {
|
|
return (int) this->size();
|
|
}
|
|
int ncol() {
|
|
return (int) this->size();
|
|
}
|
|
double sumOfSquares() override;
|
|
int numberOfElements() override;
|
|
void zeroSelf() override;
|
|
};
|
|
template<typename T>
|
|
inline void DiagonalMatrix<T>::atiputDiagonalMatrix(int i, std::shared_ptr<DiagonalMatrix<T>> diagMat)
|
|
{
|
|
for (int ii = 0; ii < diagMat->size(); ii++)
|
|
{
|
|
this->at(i + ii) = diagMat->at(ii);
|
|
}
|
|
}
|
|
template<typename T>
|
|
inline std::shared_ptr<DiagonalMatrix<T>> DiagonalMatrix<T>::times(T factor)
|
|
{
|
|
auto nrow = (int)this->size();
|
|
auto answer = std::make_shared<DiagonalMatrix<T>>(nrow);
|
|
for (int i = 0; i < nrow; i++)
|
|
{
|
|
answer->at(i) = this->at(i) * factor;
|
|
}
|
|
return answer;
|
|
}
|
|
template<typename T>
|
|
inline std::shared_ptr<FullColumn<T>> DiagonalMatrix<T>::timesFullColumn(std::shared_ptr<FullColumn<T>> fullCol)
|
|
{
|
|
//"a*b = a(i,j)b(j) sum j."
|
|
|
|
auto nrow = (int) this->size();
|
|
auto answer = std::make_shared<FullColumn<T>>(nrow);
|
|
for (int i = 0; i < nrow; i++)
|
|
{
|
|
answer->at(i) = this->at(i) * fullCol->at(i);
|
|
}
|
|
return answer;
|
|
}
|
|
template<typename T>
|
|
inline std::shared_ptr<FullMatrix<T>> DiagonalMatrix<T>::timesFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat)
|
|
{
|
|
auto nrow = (int)this->size();
|
|
auto answer = std::make_shared<FullMatrix<T>>(nrow);
|
|
for (int i = 0; i < nrow; i++)
|
|
{
|
|
answer->at(i) = fullMat->at(i)->times(this->at(i));
|
|
}
|
|
return answer;
|
|
}
|
|
template<>
|
|
inline double DiagonalMatrix<double>::sumOfSquares()
|
|
{
|
|
double sum = 0.0;
|
|
for (int i = 0; i < this->size(); i++)
|
|
{
|
|
double element = this->at(i);
|
|
sum += element * element;
|
|
}
|
|
return sum;
|
|
}
|
|
template<typename T>
|
|
inline int DiagonalMatrix<T>::numberOfElements()
|
|
{
|
|
auto n = (int) this->size();
|
|
return n * n;
|
|
}
|
|
template<>
|
|
inline void DiagonalMatrix<double>::zeroSelf()
|
|
{
|
|
for (int i = 0; i < this->size(); i++) {
|
|
this->at(i) = 0.0;
|
|
}
|
|
}
|
|
}
|
|
|