1
0
Fork 0

add ex6.2 input

This commit is contained in:
Frank Filthaut 2019-12-03 13:50:25 +01:00 committed by Eric Teunis de Boone
parent a54f03b178
commit eda4bd18ba

68
ex6.2/Array.hh Normal file
View file

@ -0,0 +1,68 @@
#ifndef ARRAY_HH
#define ARRAY_HH
class Array {
public:
Array(int size) : _size(size) {
_arr = new double[_size] ;
}
Array(const Array& other) : _size(other._size) {
_arr = new double[other._size] ;
// Copy elements
for (int i=0 ; i<_size ; i++) {
_arr[i] = other._arr[i] ;
}
}
~Array() {
delete[] _arr ;
}
Array& operator=(const Array& other)
{
if (&other==this) return *this ;
if (_size != other._size) {
resize(other._size) ;
}
for (int i=0 ; i<_size ; i++) {
_arr[i] = other._arr[i] ;
}
return *this ;
}
double& operator[](int index) {
return _arr[index] ;
}
const double& operator[](int index) const {
return _arr[index] ;
}
int size() const { return _size ; }
void resize(int newSize) {
// Allocate new array
double* newArr = new double[newSize] ;
// Copy elements
for (int i=0 ; i<_size ; i++) {
newArr[i] = _arr[i] ;
}
// Delete old array and install new one
delete[] _arr ;
_size = newSize ;
_arr = newArr ;
}
private:
int _size ;
double* _arr ;
} ;
#endif