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56 lines
842 B
C++
56 lines
842 B
C++
/*
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* ISign.cpp
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*
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* Copyright (c) 2019 fasiondog
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*
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* Created on: 2019-4-3
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* Author: fasiondog
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*/
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#include "ISign.h"
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#if HKU_SUPPORT_SERIALIZATION
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BOOST_CLASS_EXPORT(hku::ISign)
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#endif
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namespace hku {
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ISign::ISign() : IndicatorImp("SGN", 1) {
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}
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ISign::~ISign() {
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}
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bool ISign::check() {
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return true;
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}
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void ISign::_calculate(const Indicator& ind) {
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size_t total = ind.size();
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m_discard = ind.discard();
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if (m_discard >= total) {
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m_discard = total;
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return;
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}
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for (size_t i = m_discard; i < total; i++) {
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if (ind[i] > 0) {
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_set(1, i);
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} else if (ind[i] < 0) {
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_set(-1, i);
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} else {
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_set(0, i);
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}
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}
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return;
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}
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Indicator HKU_API SGN() {
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return Indicator(make_shared<ISign>());
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}
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} /* namespace hku */ |