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59 lines
1.1 KiB
C++
59 lines
1.1 KiB
C++
/*
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* IRoundDown.cpp
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*
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* Copyright (c) 2019 hikyuu.org
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*
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* Created on: 2019-04-14
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* Author: fasiondog
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*/
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#include "../../utilities/util.h"
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#include "IRoundDown.h"
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#if HKU_SUPPORT_SERIALIZATION
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BOOST_CLASS_EXPORT(hku::IRoundDown)
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#endif
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namespace hku {
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IRoundDown::IRoundDown() : IndicatorImp("ROUNDDOWN", 1) {
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setParam<int>("ndigits", 2);
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}
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IRoundDown::~IRoundDown() {
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}
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bool IRoundDown::check() {
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if (getParam<int>("ndigits") < 0) {
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HKU_ERROR("Invalid param[ndigits] ! (n >= 0) " << m_params
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<< " [IRound::check]");
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return false;
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}
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return true;
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}
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void IRoundDown::_calculate(const Indicator& data) {
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size_t total = data.size();
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m_discard = data.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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int n = getParam<int>("ndigits");
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for (size_t i = m_discard; i < total; ++i) {
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_set(roundDown(data[i], n), i);
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}
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}
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Indicator HKU_API ROUNDDOWN(int ndigits) {
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IndicatorImpPtr p = make_shared<IRoundDown>();
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p->setParam<int>("ndigits", ndigits);
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return Indicator(p);
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}
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} /* namespace hku */
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