{  Compiler switches for distribution version of IMMILOG (units)  }
{$B- I think I rely on short boolean evaluation occasionally H.T. }
{$D- This has to be switched on, if debugging info is needed      }
{$L- Same for this switch                                         }
{$R- This too is to be switched on for debugging                  }
{$S- Even stack checking is turned of for efficiency              }
{$V- This too must be switched on for debugging                   }