Open arrays

t12e06.OpenArray.cpp

// t12e06.OpenArray.cpp
// juanfc 2023-11-23
// 
#include <array>
#include <iostream>
using namespace std;

const int N = 100;
typedef array<int, N> TVector;

struct TOpenArr {
    int noelems;
    TVector ar;
};

void printOArr(TOpenArr a);
TOpenArr sumOArr(TOpenArr a, TOpenArr b);
int main()
{
    TOpenArr a = {3, {{1, 2, 3}}};
    TOpenArr b = {3, {{3, 2, 1}}};
    printOArr(sumOArr(a, b));
}

TOpenArr sumOArr(TOpenArr a, TOpenArr b)
{
    TOpenArr r = {a.noelems};
    for (int i = 0; i < a.noelems; ++i)
        r.ar[i] = a.ar[i] + b.ar[i];
    return r;
}

void printOArr(TOpenArr a)
{
    for (int i = 0; i < a.noelems; ++i)
        cout << a.ar[i] << " ";
    cout << endl;
}