#include <iostream>
#include <cstdlib>
using namespace std;
typedef double* DoubleArrayPtr;
class TwoD
{
public:
TwoD() {};
TwoD(int Row, int Column);
void inputArray();
double& outputArray(int r, int c);
friend TwoD operator + (const TwoD & left, const TwoD & right);
TwoD(const TwoD& Original);
const TwoD& operator = (const TwoD& right);
~TwoD();
private:
DoubleArrayPtr* Array;
int Rows;
int Columns;
};
int main()
{
int d1, d2;
cout << "Enter the row and column dimensions of the array:\n";
cin >> d1 >> d2;
TwoD m(d1, d2);
cout << "Enter " << d1 << " rows of "
<< d2 << " doubles each:\n";
m.inputArray();
cout << "Echoing the 2 dimensional array:\n";
for (int i = 0; i < d1; i++)
{
for (int j = 0; j < d2; j++)
cout << m.outputArray(i, j) << " ";
cout << endl;
}
return 0;
}
TwoD::TwoD(int Row, int Column) :Rows(Row), Columns(Column)
{
Array = new DoubleArrayPtr[Rows];
for (int i = 0; i < Columns; i++) Array[i] = new double[Columns];
for (int i = 0; i < Rows; i++)
{
for (int j = 0; j < Columns; j++) Array[i][j] = 0;
}
}
void TwoD::inputArray()
{
for (int i = 0; i < Rows; i++)
{
for (int j = 0; j < Columns; j++) cin >> Array[i][j];
}
}
double& TwoD::outputArray(int r, int c)
{
return Array[r][c];
}
TwoD operator+(const TwoD& left, const TwoD& right)
{
if (left.Rows != right.Rows || left.Columns != right.Columns)
{
cout << "Array size is not same.\n";
exit(1);
}
TwoD Return(left.Rows, left.Columns);
for (int i = 0; i < left.Rows; i++)
{
for (int j = 0; j < left.Columns; j++) Return.Array[i][j] = left.Array[i][j] + right.Array[i][j];
}
return Return;
}
TwoD::TwoD(const TwoD& Original):Rows(Original.Rows), Columns(Original.Columns)
{
Array = new DoubleArrayPtr[Rows];
for (int i = 0; i < Columns; i++) Array[i] = new double[Columns];
for (int i = 0; i < Rows; i++)
{
for (int j = 0; j < Columns; j++) Array[i][j] = Original.Array[i][j];
}
}
const TwoD& TwoD::operator=(const TwoD& right)
{
if (Array == right.Array) return right;
for (int i = 0; i < Rows; i++) delete[] Array[i];
delete[] Array;
Rows = right.Rows;
Columns = right.Columns;
Array = new DoubleArrayPtr[Rows];
for (int i = 0; i < Rows; i++) Array[i] = new double[Columns];
for (int i = 0; i < Rows; i++)
{
for (int j = 0; j < Columns; j++) Array[i][j] = right.Array[i][j];
}
return right;
}
TwoD::~TwoD()
{
for (int i = 0; i < Rows; i++) delete[] Array[i];
delete[] Array;
}
이거 맨 밑에 소멸자 처리 하는 도중에 heap corruption detected error 어쩌고 나오는데
왜 뜨는거임?
인터넷에 찾아봤을 때는 할당 안된 힙 영역 건드려서 뜨는거라는데 어디서 그런 짓을 한건지 모르겠음..
코딩 왤케 어려워..
