{
  int i, j;
  REAL oldval, temp;
  REAL oneMinusvprime;
  
  /*
   * Minor optimization
   * Compute orders 1 and 2 outright, and set coeff[0], coeff[1] to
     * their i==1 loop values to avoid the initialization and the i==1 loop.
     */
  if (order == 1) {
    coeff[0] = 1.0;
    return;
  }
  
  oneMinusvprime = 1-vprime;
  coeff[0] = oneMinusvprime;
  coeff[1] = vprime;
  if (order == 2) return;
  
  for (i = 2; i < order; i++) {
    oldval = coeff[0] * vprime;
    coeff[0] = oneMinusvprime * coeff[0];
    for (j = 1; j < i; j++) {
      temp = oldval;
      oldval = coeff[j] * vprime;
        coeff[j] = temp + oneMinusvprime * coeff[j];
    }
    coeff[j] = oldval;
  }
}

ReactOS Development > Doxygen