/*
   Generated by EX4-TO-MQ4 decompiler FREEWARE V4.0.451.1 [-]
   Website: http://www.metaquotes.net
   E-mail : support@metaquotes.net
*/
#property copyright "Copyright © 2014, Dr. Zain Agha"
#property link      "http://www.zwinner.com"

#property indicator_separate_window
#property indicator_minimum 0.0
#property indicator_maximum 2.0
#property indicator_buffers 2
#property indicator_color1 Lime
#property indicator_color2 Red

int gi_unused_76 = 100;
extern int gi_76 = 8;
extern int WingDingUp = 110;
extern int WingDingDn = 110;
double g_ibuf_92[];
double g_ibuf_96[];
double g_ibuf_100[];

// E37F0136AA3FFAF149B351F6A4C948E9
int init() {
   IndicatorBuffers(3);
   SetIndexBuffer(0, g_ibuf_96);
   SetIndexStyle(0, DRAW_ARROW, EMPTY);
   SetIndexArrow(0, WingDingUp);
   SetIndexBuffer(1, g_ibuf_100);
   SetIndexStyle(1, DRAW_ARROW, EMPTY);
   SetIndexArrow(1, WingDingDn);
   SetIndexBuffer(2, g_ibuf_92);
   IndicatorShortName("ZWINNER TREND INDICATOR");
   return (0);
}

// EA2B2676C28C0DB26D39331A336C6B92
int start() {
   double ld_0;
   double ld_8;
   double ld_16;
   int li_24 = IndicatorCounted();
   double ld_28 = 0;
   double ld_36 = 0;
   double ld_unused_44 = 0;
   double ld_unused_52 = 0;
   double ld_60 = 0;
   double ld_unused_68 = 0;
   double low_76 = 0;
   double high_84 = 0;
   if (li_24 > 0) li_24--;
   int li_92 = Bars - li_24;
   for (int li_96 = 0; li_96 < Bars; li_96++) {
      high_84 = High[iHighest(NULL, 0, MODE_HIGH, gi_76, li_96)];
      low_76 = Low[iLowest(NULL, 0, MODE_LOW, gi_76, li_96)];
      ld_16 = (High[li_96] + Low[li_96]) / 2.0;
      if (high_84 - low_76 == 0.0) ld_28 = 0.67 * ld_36 + (-0.33);
      else ld_28 = 0.66 * ((ld_16 - low_76) / (high_84 - low_76) - 0.5) + 0.67 * ld_36;
      ld_28 = MathMin(MathMax(ld_28, -0.999), 0.999);
      if (1 - ld_28 == 0.0) g_ibuf_92[li_96] = ld_60 / 2.0 + 0.5;
      else g_ibuf_92[li_96] = MathLog((ld_28 + 1.0) / (1 - ld_28)) / 2.0 + ld_60 / 2.0;
      ld_36 = ld_28;
      ld_60 = g_ibuf_92[li_96];
   }
   bool li_100 = TRUE;
   for (li_96 = Bars; li_96 >= 0; li_96--) {
      ld_8 = g_ibuf_92[li_96];
      ld_0 = g_ibuf_92[li_96 + 1];
      if ((ld_8 < 0.0 && ld_0 > 0.0) || ld_8 < 0.0) li_100 = FALSE;
      if ((ld_8 > 0.0 && ld_0 < 0.0) || ld_8 > 0.0) li_100 = TRUE;
      if (!li_100) {
         g_ibuf_100[li_96] = 1.0;
         g_ibuf_96[li_96] = EMPTY_VALUE;
      } else {
         g_ibuf_96[li_96] = 1.0;
         g_ibuf_100[li_96] = EMPTY_VALUE;
      }
   }
   return (0);
}