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

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

//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
{
   PRT(M_PI);                      // 3.141592653589793
   PRT(NormalizeDouble(M_PI, 16)); // 3.14159265359
   PRT(NormalizeDouble(M_PI, 8));  // 3.14159265
   PRT(NormalizeDouble(M_PI, 5));  // 3.14159
   PRT(NormalizeDouble(M_PI, 1));  // 3.1
   PRT(NormalizeDouble(M_PI, -1)); // 3.14159265359

   PRT(512.06);                    // 512.0599999999999
   PRT(NormalizeDouble(512.06, 5));// 512.0599999999999
   PRT(DoubleToString(512.06, 5)); // 512.06000000
   PRT((float)512.06);             // 512.06
}
//+------------------------------------------------------------------+