Tiny_Project_OOP/Vector.cpp at main · Kartoff3l/Tiny_Project_OOP · GitHub

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#include "Vector.h"
#include <iostream>
#include <cassert>
using namespace std;


    //constructor
    Vector::Vector():mSize(0),mData(nullptr){}
    Vector::Vector(int size)
    {
        assert(size > 0);
        mSize = size;
        mData = new double[mSize];
        for (int i = 0; i < mSize; i++)
        {
            mData[i] = 0;
        }
    }
    //copy constructor
    Vector::Vector(const Vector &other)
    {
        mSize = other.mSize;
        mData = new double[mSize];
        for (int i = 0; i < mSize; i++)
        {
            mData[i] = other.mData[i];
        }
    }
    //destructor
    Vector::~Vector()
    {
        delete[] mData;
    }
    //assignment
    Vector &Vector::operator=(const Vector &other)
    {
        if (this != &other)
        {
            delete[] mData;
            mSize = other.mSize;
            mData = new double[mSize];
            for (int i = 0; i < mSize; i++)
            {
                mData[i] = other.mData[i];
            }
        }
        return *this;
    }
    //0-based indexing with []
    double Vector::operator[](int index) const
    {
        assert(index >= 0 && index < mSize);
        return mData[index];
    }
    double &Vector::operator[](int index)
    {
        assert(index >= 0 && index < mSize);
        return mData[index];
    }
    //1-based indexing with()
    double Vector::operator()(int index) const
    {
        assert(index >= 1 && index <= mSize);
        return mData[index - 1];
    }
    double& Vector::operator()(int index)
    {
        assert(index >= 1 && index <= mSize);
        return mData[index - 1];
    }

    //vector + vector
    Vector Vector::operator+(const Vector &other) const
    {
        assert(mSize == other.mSize);
        Vector result(mSize);
        for (int i = 0; i < mSize; i++)
        {
            result.mData[i] = mData[i] + other.mData[i];
        }
        return result;
    }
    //vector - vector
    Vector Vector::operator-(const Vector &other) const
    {
        assert(mSize == other.mSize);
        Vector result(mSize);
        for (int i = 0; i < mSize; i++)
        {
            result.mData[i] = mData[i] - other.mData[i];
        }
        return result;
    }
    //vector * scalar
    Vector Vector::operator*(double scalar) const
    {
        Vector result(mSize);
        for (int i = 0; i < mSize; i++)
        {
            result[i] = mData[i] * scalar;
        }
        return result;
    }
    //get size
    [[nodiscard]] int Vector::size()const
    {
        return mSize;
    }
    //print
    void Vector::print()const
    {
        for (int i = 0; i < mSize; i++)
        {
            cout << mData[i] << " ";
        }
        cout << endl;
    }