% cat  cubictable.C

/* Program cubictable - print out the values for a cubic function

* Written by - Charles Severance - Tue Dec  7 17:23:57 EST 1993
*/

#include <iostream.h>

main() {

  float x,fun;

  for( x=-3.0; x<=3.0; x=x+0.4 ) {
    fun = (x * x * x) + 2 * (x * x) - x - 2.0;
    cout << " " << x << " " << fun << "\n";
  }
}
% g++  cubictable.C
% a.out 
 -3 -8
 -2.6 -3.456
 -2.2 -0.767999
 -1.8 0.448
 -1.4 0.576
 -1 -2.38419e-07
 -0.6 -0.896
 -0.2 -1.728
 0.2 -2.112
 0.6 -1.664
 1 7.15256e-07
 1.4 3.264
 1.8 8.512
 2.2 16.128
 2.6 26.496
%