program v c++

#include "stdafx.h"
#include "Cisla.h"

int Cisla::GetA() const
{
    return a;
}

int Cisla::GetB() const
{
    return b;
}

void Cisla::SetA(int v)
{
    a = v;
}

void Cisla::SetB(int v)
{
    b = v;
}

int Cisla::Soucet() const
{
    return a + b;
}

float Cisla::Prumer() const
{
    return (float) (a + b) / 2;
}

int Cisla::Max() const
{
    int m;
    if (a > b)
        m = a;
    else
        m = b;
    return m;
}

int Cisla::Min() const
{
    int m;
    if (a < b)
        m = a;
    else
        m = b;
    return m;

}

bool Cisla::JeNula() const
{
    /*
    if (a == 0)
        return true;
    else
        if (b == 0)
            return true;
        else
            return false;
            */
    return (a == 0) || (b == 0);
}

bool Cisla::JeNulaAll() const
{
    /*
    if (a == 0)
        if (b == 0)
            return true;
        else
            return false;
    else
        return false;
        */
    /*
    if (a == 0 && b == 0)
        return true;
    else
        return false;
        */
    return (a == 0 && b == 0);
}

int Cisla::NSN() const
{
    int n = Max();
    int k = Max();

    while (true)
    {
        if (n % a == 0 && n % b == 0)
            break;
        n += k;  // n = n + k;
    }

    return n;
}

int Cisla::NSD() const
{
    if ((a <= 0) || (b <= 0))
        return -1;

    int n = Min();
    while (n >= 1)
    {
        if (a % n == 0 && b % n == 0)
            break;
        n--;    // n = n - 1
    }
    return n;
}
int Cisla::Rozdil() const
{
    return a - b;
}

int Cisla::Soucin() const
{
    return a * b;
}

float Cisla::Podil() const
{
    if ((a > 0) && (b > 0))
        return float(a / b);
    else 
        return 0;
}

bool Cisla::JsouStejne() const
{
    return (a == b);
}

bool Cisla::JsouKladna() const
{
    return (a > 0 && b > 0);
}

int Cisla::Opacne() const
{
    int m;
    m = a;
    return (-m);
}


int Cisla::Operace(int op) const
{
    
switch (op)
    {
    case '1':
        
        break;
    case '2':
        Rozdil;
        break;
    case '3':
        Soucin;
        break;
    case '4':
        Podil;
        break;
    case '5':
        Max;
        break;
    case '6':
        Min;
        break;
    default:
        cout << "no";
        break;
    }
    return 0;
}