53 lines
1.0 KiB
C++
53 lines
1.0 KiB
C++
#include <iostream>
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class Matrix {
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private:
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int rows, cols;
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int* data; // intentionally make this as an int* pointer, instead of int** pointer,
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// so as to distinguish this example from the homework matrix class.
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public:
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// default constructor
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Matrix(){
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rows = 0;
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cols = 0;
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data = nullptr;
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}
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// constructor
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Matrix(int r, int c) : rows(r), cols(c) {
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data = new int[r * c]; // allocate memory
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// std::cout << "Constructor: Allocating memory\n";
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}
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// assignment operator
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Matrix& operator=(const Matrix& other) {
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// std::cout << "Assignment Operator Invoked\n";
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if (this != &other) {
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delete[] data; // free old memory
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rows = other.rows;
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cols = other.cols;
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data = new int[rows * cols];
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}
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return *this;
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}
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// destructor
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~Matrix() {
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delete[] data;
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// std::cout << "Destructor: Freeing memory\n";
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}
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};
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int main() {
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// these lines mimic what is used in the BatchTest function.
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Matrix* m_arr = new Matrix[5];
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for(int i=0; i<10000; i++){
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for(int j=0; j<10000; j++){
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m_arr[3] = Matrix(4,4);
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}
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}
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delete [] m_arr;
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}
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