#property indicator_separate_window
#property indicator_buffers 4
#property indicator_color1 Orange
#property indicator_color2 White
#property indicator_color3 Green
#property indicator_color4 Red

extern int FastEMA = 12;
extern int SlowEMA = 26;
extern int SignalSMA = 9;
double g_ibuf_88[];
double g_ibuf_92[];
double g_ibuf_96[];
double g_ibuf_100[];

int init() {
   SetIndexStyle(0, DRAW_LINE);
   SetIndexBuffer(0, g_ibuf_88);
   SetIndexStyle(1, DRAW_LINE);
   SetIndexBuffer(1, g_ibuf_92);
   SetIndexStyle(2, DRAW_HISTOGRAM);
   SetIndexBuffer(2, g_ibuf_96);
   SetIndexStyle(3, DRAW_HISTOGRAM);
   SetIndexBuffer(3, g_ibuf_100);
   SetIndexDrawBegin(0, SignalSMA);
   SetIndexDrawBegin(1, SignalSMA);
   SetIndexDrawBegin(2, SignalSMA);
   SetIndexDrawBegin(3, SignalSMA);
   IndicatorShortName("MACD(" + FastEMA + "," + SlowEMA + "," + SignalSMA + ")");
   SetIndexLabel(0, "Dif");
   SetIndexLabel(1, "Dea");
   SetIndexLabel(2, "Macd");
   SetIndexLabel(3, "Macd");
   return (0);
}

int start() {
   int li_8 = IndicatorCounted();
   if (li_8 < 0) return (-1);
   if (li_8 > 0) li_8--;
   int li_4 = Bars - li_8;
   for (int li_0 = 0; li_0 < li_4; li_0++) g_ibuf_88[li_0] = iMA(NULL, 0, FastEMA, 0, MODE_EMA, PRICE_CLOSE, li_0) - iMA(NULL, 0, SlowEMA, 0, MODE_EMA, PRICE_CLOSE, li_0);
   for (li_0 = 0; li_0 < li_4; li_0++) g_ibuf_92[li_0] = iMAOnArray(g_ibuf_88, Bars, SignalSMA, 0, MODE_SMA, li_0);
   for (li_0 = 0; li_0 < li_4; li_0++) {
      g_ibuf_96[li_0] = 2.0 * (g_ibuf_88[li_0] - g_ibuf_92[li_0]);
      if (g_ibuf_96[li_0] > 0.0) g_ibuf_100[li_0] = g_ibuf_96[li_0];
   }
   return (0);
}