fork(4) download
copy 
  1. #include <iostream>
  2.  
  3. void swapPointers(double*& num1, double*& num2) {
  4.   double* temp = num1;
  5.   num1 = num2;
  6.   num2 = temp;
  7. }
  8.  
  9. int main() {
  10.     double a = 1.0f;
  11.     double b = 5.0f;
  12.     double* pa = &a;
  13.     double* pb = &b;
  14.     swapPointers(pa, pb);
  15.     std::cout << *pa << " " << *pb << std::endl;
  16.     std::cout << a << " " << b << std::endl;
  17. }
Success #stdin #stdout 0.01s 2680KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
5 1
1 5
https://ideone.com/w4k9mV
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!