#include "bsp_1_a.h"
#include<cmath>

using namespace std;

void mean(long long int x, long long int y, long long int z, float &a, float &g, float &h)
{
    a = x/3.0 + y/3.0 + z/3.0;  // arithmetisches Mittel
    g = pow(x,1/3.0)*pow(y,1/3.0)*pow(z,1/3.0); // geometrisches Mittel
    h = 3/((1.0/x)+(1.0/y)+(1.0/z));   // harmonisches Mittel
    return;
}


void meanvec(std::vector<float> x, float &a, float &g, float &h)
{
    a = 0;
    for(size_t k=1; k<=x.size(); k=k+1)
    {
        a = a+x.at(k-1);
    }
    a = a/x.size();

    g = 1;
    for(size_t k=1; k<=x.size(); k=k+1)
    {
        g = g*pow(x.at(k-1),1.0/x.size());
    }

    h = 0;
    for(size_t k=1; k<=x.size(); k=k+1)
    {
        h = h + 1.0/x.at(k-1);
    }
    h = x.size()/h;

    return;
}