//+------------------------------------------------------------------+
//|                                                    MathRound.mq5 |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+

#define PRT(A)  Print(#A, "=", (A))

//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
{
   PRT((MathRound(5.5)));  // 6.0
   PRT((MathRound(-5.5))); // -6.0
   PRT((MathCeil(5.5)));   // 6.0
   PRT((MathCeil(-5.5)));  // -5.0
   PRT((MathFloor(5.5)));  // 5.0
   PRT((MathFloor(-5.5))); // -6.0
   
   PRT((MathRound(11)));   // 11.0
   PRT((MathRound(-11)));  // -11.0
   PRT((MathCeil(11)));    // 11.0
   PRT((MathCeil(-11)));   // -11.0
   PRT((MathFloor(11)));   // 11.0
   PRT((MathFloor(-11)));  // -11.0
}
//+------------------------------------------------------------------+