hikyuu2/hikyuu_cpp/hikyuu/indicator/imp/IRocr100.cpp
2020-11-22 18:34:37 +08:00

55 lines
1.0 KiB
C++

/*
* IRocr100.cpp
*
* Copyright (c) 2019 hikyuu.org
*
* Created on: 2019-5-18
* Author: fasiondog
*/
#include "IRocr100.h"
#if HKU_SUPPORT_SERIALIZATION
BOOST_CLASS_EXPORT(hku::IRocr100)
#endif
namespace hku {
IRocr100::IRocr100() : IndicatorImp("ROCR100", 1) {
setParam<int>("n", 10);
}
IRocr100::~IRocr100() {}
bool IRocr100::check() {
return getParam<int>("n") >= 1;
}
void IRocr100::_calculate(const Indicator& ind) {
size_t total = ind.size();
int n = getParam<int>("n");
m_discard = ind.discard() + n;
if (m_discard >= total) {
m_discard = total;
return;
}
for (size_t i = m_discard; i < total; i++) {
price_t pre_price = ind[i - n];
if (pre_price != 0.0) {
_set((ind[i] / pre_price) * 100.0, i);
} else {
_set(0.0, i);
}
}
}
Indicator HKU_API ROCR100(int n) {
IndicatorImpPtr p = make_shared<IRocr100>();
p->setParam<int>("n", n);
return Indicator(p);
}
} /* namespace hku */