want to convert Trendmanager code to amibroker

#1
can anybody convert following Trendmanager code of Metatrader to amibroker ?



#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Red
#property indicator_color2 Blue

extern int TM_Period = 7;
extern int TM_Shift = 2;

double SpanA_Buffer[];
double SpanB_Buffer[];
int a_begin;

int init()
{
a_begin=TM_Shift;
SetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID);
SetIndexBuffer(0,SpanB_Buffer);
SetIndexDrawBegin(0,TM_Period+a_begin-1);
SetIndexLabel(0,"TM_Period+");
SetIndexStyle(1,DRAW_HISTOGRAM,STYLE_SOLID);
SetIndexBuffer(1,SpanA_Buffer);
SetIndexDrawBegin(1,TM_Period+a_begin-1);
SetIndexLabel(1,"TM_Period");

return(0);
}

int start()
{
int i,k;
int counted_bars=IndicatorCounted();
double high,low,price;

if(Bars<=TM_Period) return(0);
if(counted_bars<1)
{
for(i=1;i<=TM_Period;i++)
{
SpanA_Buffer[Bars-i]=0;
SpanB_Buffer[Bars-i]=0;
}
}

i=Bars-TM_Period;
if(counted_bars>TM_Period) i=Bars-counted_bars-1;
while(i>=0)
{
high=High; low=Low; k=i-1+TM_Period;
while(k>=i)
{
price=High[k];
if(high<price) high=price;
price=Low[k];
if(low>price) low=price;
k--;
}
SpanA_Buffer = (high+low)/2.0;
SpanB_Buffer = SpanA_Buffer[i+TM_Shift];
i--;
}

return(0);
}
 

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