Dev - C++ - Creacion de libreria

#ifndef FACTPROM_H

#define FACTPROM_H

long int factorial(long int n);

float promedio(int v[], int n);

#endif // FACTPROM_H

#include "FactProm.h"

long int factorial(long int n)

{

    if (n <= 1)

        return 1;

    else

        return n * factorial(n - 1);

}

float promedio(int v[], int n)

{

    int suma = 0;

    for (int i = 0; i < n; i++)

        suma += v[i];

    return float(suma) / n;

}

#include "FactProm.h"

#include <iostream>

int main()

{

    int v[] = {1, 2, 3, 4, 5, 6, 7};

    std::cout << "\nPromedio de V: " << promedio(v, 7);

    std::cout << "\nFactorial de 5: " << factorial(5) << std::endl;

    return 0;

}