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39 lines
730 B
C++
39 lines
730 B
C++
/*
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* SMA.h
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*
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* Created on: 2015年2月16日
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* Author: fasiondog
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*/
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#ifndef INDICATOR_CRT_SMA_H_
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#define INDICATOR_CRT_SMA_H_
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#include "../Indicator.h"
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namespace hku {
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/**
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* 求移动平均
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* @details
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* <pre>
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* 用法：若Y=SMA(X,N,M) 则 Y=[M*X+(N-M)*Y')/N,其中Y'表示上一周期Y值
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* </pre>
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* @param data 待计算的数据
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* @param n 计算均值的周期窗口，必须为大于0的整数
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* @param m 系数
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* @ingroup Indicator
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*/
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Indicator SMA(const Indicator& data, int n = 22, double m = 2.0);
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Indicator HKU_API SMA(int n = 22, double m = 2.0);
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inline Indicator SMA(const Indicator& ind, int n, double m){
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return SMA(n, m)(ind);
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}
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} /* namespace */
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#endif /* INDICATOR_CRT_SMA_H_ */
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