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37 lines
563 B
C++
37 lines
563 B
C++
/*
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* LN.h
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*
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* Created on: 2019-4-11
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* Author: fasiondog
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*/
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#ifndef INDICATOR_CRT_LN_H_
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#define INDICATOR_CRT_LN_H_
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#include "CVAL.h"
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namespace hku {
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/**
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* 求自然对数
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* 用法：LN(X)以e为底的对数
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* 例如：LN(CLOSE)求收盘价的对数
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* @ingroup Indicator
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*/
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Indicator HKU_API LN();
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Indicator LN(price_t);
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Indicator LN(const Indicator& ind);
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inline Indicator LN(const Indicator& ind) {
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return LN()(ind);
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}
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inline Indicator LN(price_t val) {
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return LN(CVAL(val));
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}
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} /* namespace */
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#endif /* INDICATOR_CRT_LN_H_ */
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