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// Buy Signal: support[1] != 0 && support[2] == 0
// Sell Signal: resistance[1] != 0 && resistance[2] == 0

int GetSignal()
{
   double support1 = NormalizeDouble(bufferSupport[1], _Digits);
   double support2 = NormalizeDouble(bufferSupport[2], _Digits);

   double resistance1 = NormalizeDouble(bufferResistance[1], _Digits);
   double resistance2 = NormalizeDouble(bufferResistance[2], _Digits);

   if(support1 != 0.0 && support2 == 0.0)
      return 1;  // Buy Signal

   if(resistance1 != 0.0 && resistance2 == 0.0)
      return -1; // Sell Signal

   return 0;
}