//+------------------------------------------------------------------+
//|                                                   mt4mathBug.mq4 |
//|                                                      John Taylor |
//|                          http://www.linkedin.com/in/johntaylorhk |
//+------------------------------------------------------------------+
#property copyright "John Taylor"
#property link      "http://www.linkedin.com/in/johntaylorhk"

// Output received:
// 2011.01.18 12:03:55	mt4mathBug USDCAD,H1: 1 -> 0 -> 1 -> 0

int start() {
   test();
   return(0);
}

void test() {
/*
   int i1=(1.0-0.8)/0.2;//=0!
   int i2=MathRound((1.0-0.8)/0.2);//=1
   int i3=MathAbs  ((1.0-0.8)/0.2);//=0!
   Print((1.0-0.8)/0.2," -> ",i1," -> ",i2," -> ",i3);
*/
   // solution #1
   double d1=(1.0-0.8)/0.2;
   double d2=MathRound((1.0-0.8)/0.2);
   double d3=MathAbs  ((1.0-0.8)/0.2);
   Print((1.0-0.8)/0.2," -> ",d1," -> ",d2," -> ",d3);
   // solution #2
   double d4=NormalizeDouble(1.0-0.8,8);
   int i1=d4/0.2;
   int i2=MathRound(d4/0.2);
   int i3=MathAbs  (d4/0.2);
   Print((1.0-0.8)/0.2," -> ",i1," -> ",i2," -> ",i3);
}