# include <stdio.h>
# include <math.h>

void plotter ( int n, float a, float b );
float f1 ( float x );
float f2 ( float x );

int main ( )
{
  float a;
  float b;
  int n;
  float pi = 3.14159265;

  n = 25;
  a = 0.0;
  b = 2.0 * pi;
  plotter ( n, a, b );

  return 0;
}
void plotter ( int n, float a, float b )
{
  float dx;
  float fx;
  int i;
  float x;
  
  dx = ( b - a ) / ( float ) ( n - 1 );
  x = a;

  for ( i = 0; i < n; i++ )
  {
    fx = f2 ( x );
    printf ( "%2i  %10g  %10g\n", i, x, fx );
    x = x + dx;
  }
  return;
}

float f1 ( float x )
{
  float value;
  value = sin ( x );
  return value;
}

float f2 (float x )
{
  float value;
  value = x * ( 1 - x ) * ( 2 - x );
  return value;
}