关于MACD背离作业，请牛版主批改，还有几个问题，谢谢！
源代码引自：http://bbs.520fx.com/viewthread. ... =%E8%83%8C%E7%A6%BB//+------------------------------------------------------------------+
//| MACD_beili.mq4 Ver. 1.0 |
//| MACD背离指标（按最高最低价计算）。 |
//| Henry Zhao |
//| shinetrip@yahoo.com |
//| Feb. 19, 2007 |
//+------------------------------------------------------------------+
#property copyright \"Henry Zhao\"
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Cyan
#property indicator_color2 Magenta
#property indicator_color3 Black
extern int method = 1;
extern int bars_compared = 15; // 在多少个bar中寻找第二个峰值
extern int number_of_bars = 1000;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
//+------------------------------------------------------------------+
//| 指标初始化代码 |
//+------------------------------------------------------------------+
int init(){
//SetIndexStyle(0,DRAW_ARROW); // RSI背离信号用箭头表示
SetIndexStyle(0,DRAW_NONE); // RSI背离信号用箭头表示
SetIndexBuffer(0,ExtMapBuffer1);
SetIndexArrow(0,233);
//SetIndexStyle(1,DRAW_ARROW);
SetIndexStyle(1,DRAW_NONE);
SetIndexBuffer(1,ExtMapBuffer2);
SetIndexArrow(1,234);
SetIndexStyle(2,DRAW_ARROW,EMPTY,4); // 阶段高/低点用黑色点表示
SetIndexBuffer(2,ExtMapBuffer3);
SetIndexArrow(2,159);
return(0);
}
//+------------------------------------------------------------------+
//| 指标反初始化代码 |
//+------------------------------------------------------------------+
int deinit(){
return(0);
}
//+------------------------------------------------------------------+
//| 计算显示指标的条件 |
//+------------------------------------------------------------------+
int start(){
int i, m, shift, bar1, bar2;
double pos_adjust, low1, low2, high1, high2, v1, v2;
pos_adjust = 100*Point; // 根据不同的时间框架确定信号显示的位置。主要是为了美观
if(Period()==1) pos_adjust = 1*Point;
if(Period()==5) pos_adjust = 3*Point;
if(Period()==15) pos_adjust = 8*Point;
if(Period()==30) pos_adjust = 10*Point;
if(Period()==60) pos_adjust = 13*Point;
if(Period()==240) pos_adjust = 20*Point;
if(Period()==1440) pos_adjust = 50*Point;
shift=Bars;
if( shift>number_of_bars ) shift = number_of_bars;//只计数1000个k线
for( i=shift-2*bars_compared; i>=0; i--)//i从第970条至第0根K线（包括第0根k线）开始从左向右循环计算，（为何要从第970根k线开始计算？从第1000根k线不行么？）
{
low1 = 0;
if( LowHigh){
bar1=i+2;
high1 = High;
} // 最高点必须是前三条已完成bar的中间那一条
high2 = 0;
if(method==1){
bar2 = iHighest(NULL, 0, MODE_HIGH, bars_compared, i+4);
if( bar2 != i+4 && bar2 != i+4 +bars_compared-1 ) high2 = High;
}
if(method==2){
bar2 = iHighest(NULL, 0, MODE_HIGH, bars_compared, i+bars_compared);
if( bar2 != i+bars_compared && bar2 != i + 2*bars_compared-1 ) high2 = High;
}
if( high1!=0 && high2!=0 && high1>high2){
v1 = iMACD( NULL, 0, 12, 26, 9, PRICE_CLOSE, MODE_MAIN, bar1);
v2 = iMACD( NULL, 0, 12, 26, 9, PRICE_CLOSE, MODE_MAIN, bar2);
if( v1 < v2 ){ ExtMapBuffer2<i> = High<i> + pos_adjust;
ExtMapBuffer3 = High + pos_adjust*0.3;
ExtMapBuffer3 = High + pos_adjust*0.3;
}
}
} // end of for(i)
return(0);
}
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