// arr3.cpp 	By: Aiman Hanna -  ©1993-2006 Aiman Hanna

// This program mainly illustrates how arrays can be initialized. 
// Key Points: 	1) Arrays with no indicated size.
//		2) Copying one array to another. Notice how the copying 
//		operation should be done.

#include <iostream.h>

void ArrayInt()
{
const arrsize = 6;
double arr1[arrsize] = {12.3, 2.8, 5.34, 9.43, 12.15, 32.9};

cout << "\n Here is arr1 after initialization: " << endl;
for (int i = 0; i < arrsize; i++)
	cout << arr1[i] << "\t";


double arr2[arrsize];	// Array of 6 elements of double values

// Copy arr1 to arr2

for ( i = 0; i < arrsize; i++)
	arr2[i] = arr1[i];

cout << "\n Here is arr2 after being copied from arr1: " << endl;
for ( i = 0; i < arrsize; i++)
	cout << arr2[i] << "\t";


int arr3[] = {12, 13, 4, 9};	// This creates and initializes an array 
			// of 4 elements. 
cout << "\n Here is arr3 after being created: " << endl;
for ( i = 0; i < 4; i++)
	cout << arr3[i] << "\t";

int arr4[7] = {23, 7, 9, 21};	// Create an array of 7 elements, and 
				// initialize only the first 4 elements
				// Notice that the last three elements 
				// include just garbage.
cout << "\n Here is arr4 after being created: " << endl;
for ( i = 0; i < 7; i++)
	cout << arr4[i] << "\t";

}


int main()
{

ArrayInt();

return 0;
}


// If compiling the program in HP-UX, compile with +a1, since array initialization 

// The output of the program

/*

 Here is arr1 after initialization:
12.3    2.8     5.34    9.43    12.15   32.9
 Here is arr2 after being copied from arr1:
12.3    2.8     5.34    9.43    12.15   32.9
 Here is arr3 after being created:
12      13      4       9
 Here is arr4 after being created:
23      7       9       21      0       0       0


*/