hikyuu2/hikyuu_cpp/hikyuu/indicator/crt/COUNT.h
2019-11-10 23:31:41 +08:00

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/*
* COUNT.h
*
* Created on: 2019-3-25
* Author: fasiondog
*/
#pragma once
#ifndef COUNT_H_
#define COUNT_H_
#include "../Indicator.h"
namespace hku {
/**
* 统计总数 统计满足条件的周期数。
* @details
* <pre>
* 用法COUNT(X,N),统计N周期中满足X条件的周期数,若N=0则从第一个有效值开始。
* 例如COUNT(CLOSE>OPEN,20)表示统计20周期内收阳的周期数
* </pre>
* @param n 周期数
* @ingroup Indicator
*/
Indicator HKU_API COUNT(int n = 20);
/**
* 统计总数 统计满足条件的周期数。
* @details
* <pre>
* 用法COUNT(X,N),统计N周期中满足X条件的周期数,若N=0则从第一个有效值开始。
* 例如COUNT(CLOSE>OPEN,20)表示统计20周期内收阳的周期数
* </pre>
* @param ind 待统计指标
* @param n 周期数
* @ingroup Indicator
*/
Indicator HKU_API COUNT(const Indicator& ind, int n = 20);
} // namespace hku
#endif /* CVAL_H_ */