/*
   testalloc1.cpp
   CIS 150
   David Klick
   6/26/08
   
   Demonstration of allocating memory.
*/

#include <iostream>
using std::cin;
using std::cout;

void cont();

int main() {
   // create a new double memory location and store the pointer
   double *p1 = new double;
   
   // displays whatever was in that location
   // some implementations may set the memory to 0 values
   cout << *p1 << '\n';
   
   // must access new location through pointer
   *p1 = 1.23456;
   cout << *p1 << '\n';

   // free the memory we allocated
   delete p1;
   
   cont();
   return 0;
}

/*
   void cont();
   
   Arguments: none
   
   Returns: nothing
   
   Clears input buffer and pauses waiting for user 
   to press Enter.
*/
void cont() {
   if (cin.rdbuf()->sungetc() != -1 && cin.get() != '\n') cin.ignore(80,'\n');
   cout << "Press enter to continue...";
   cin.get();
}