#include <iostream>
#include <assert.h>
#include <stdlib.h>
using namespace std;
class vect {
public:
explicit vect(int n);
~vect() { delete []p; }
int ub() const { return (size - 1); }
vect& operator=(const vect& v);
void print() const;
int& operator[](int i) ;
vect operator+(const vect& v);
private:
int* p;
int size;
};
vect::vect(int n): size(n)
{
if (n < 1)
throw (n);
p = new int[n];
if (p == 0)
throw ("FREE STORE EXHAUSTED");
}
int& vect::operator[](int i)
{
assert(i >= 0 && i < size);
return p[i];
}
vect& vect::operator=(const vect& v)
{
int s = (size < v.size) ? size : v.size;
if (v.size != size)
cerr << "copying different size arrays "
<< size << " and " << v.size << endl;
for (int i = 0; i < s; ++i)
p[i] = v.p[i];
return (*this);
}
void vect::print() const
{
for (int i = 0; i <= (size-1); ++i)
cout << p[i] << "\t";
cout << endl;
}
vect vect::operator+(const vect& v)
{
assert(size == v.size);
vect sum(size);
for (int i = 0; i < size; ++i)
sum.p[i] = p[i] + v.p[i];
return sum;
}
void g (int m)
{
try {
vect a(m), b(m);
}
catch(int m)
{
cerr << "SIZE ERROR " << m << endl;
g(10);
}
catch(const char* error)
{
cerr << error << endl;
abort();
}
}
int main()
{
int n = -5;
g(n);
}
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