本文整理汇总了C++中Q3PtrList::at方法的典型用法代码示例。如果您正苦于以下问题：C++ Q3PtrList::at方法的具体用法？C++ Q3PtrList::at怎么用？C++ Q3PtrList::at使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Q3PtrList的用法示例。
在下文中一共展示了Q3PtrList::at方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getSINWAV
PlotLine * SINWAV::calculateCustom (QString &, Q3PtrList<PlotLine> &)
{
Q3PtrList<PlotLine> pll;
pll.setAutoDelete(FALSE);
getSINWAV(pll);
pll.remove(1);
return pll.at(0);
}示例2: QCOMPARE
void tst_Q3PtrList::replace()
{
Q3PtrList<int> list;
int foo = 4;
list.setAutoDelete( TRUE );
QCOMPARE( list.insert(0, new int(1)), (bool)TRUE );
QCOMPARE( list.insert(1, new int(2)), (bool)TRUE );
QCOMPARE( list.insert(2, new int(4)), (bool)TRUE );
QCOMPARE( *(list.at(2)), 4 );
QCOMPARE( list.replace(2, new int(3)), (bool)TRUE );
QCOMPARE( *(list.at(2)), 3 );
uint count = list.count();
QCOMPARE( list.replace(3, &foo), (bool)FALSE );
QCOMPARE( list.count(), count );
int *p = new int(7);
QCOMPARE( list.insert(2, p), (bool)TRUE );
QCOMPARE( list.replace(2, p), (bool)TRUE );
}示例3: createSummary
void TesterReport::createSummary (Q3PtrList<TradeItem> &trades, double account)
{
int shortTrades = 0;
int longTrades = 0;
int winLongTrades = 0;
int loseLongTrades = 0;
int winShortTrades = 0;
int loseShortTrades = 0;
double totalWinLongTrades = 0;
double totalLoseLongTrades = 0;
double totalWinShortTrades = 0;
double totalLoseShortTrades = 0;
double largestWin = 0;
double largestLose = 0;
double accountDrawdown = account;
double commission = 0;
double balance = account;
int loop;
for (loop = 0; loop < (int) trades.count(); loop++)
{
TradeItem *trade = trades.at(loop);
// get long/short trades
if (trade->getTradePosition() == TradeItem::Long)
{
longTrades++;
if (trade->getProfit() < 0)
{
loseLongTrades++;
totalLoseLongTrades = totalLoseLongTrades + trade->getProfit();
if (trade->getProfit() < largestLose)
largestLose = trade->getProfit();
}
else
{
winLongTrades++;
totalWinLongTrades = totalWinLongTrades + trade->getProfit();
if (trade->getProfit() > largestWin)
largestWin = trade->getProfit();
}
}
else
{
shortTrades++;
if (trade->getProfit() < 0)
{
loseShortTrades++;
totalLoseShortTrades = totalLoseShortTrades + trade->getProfit();
if (trade->getProfit() < largestLose)
largestLose = trade->getProfit();
}
else
{
winShortTrades++;
totalWinShortTrades = totalWinShortTrades + trade->getProfit();
if (trade->getProfit() > largestWin)
largestWin = trade->getProfit();
}
}
commission = commission + trade->getEntryCom() + trade->getExitCom();
balance = trade->getBalance();
if (trade->getBalance() < accountDrawdown)
accountDrawdown = trade->getBalance();
tradeTable->setNumRows(tradeTable->numRows() + 1);
QString ts;
trade->getTradePositionString(ts);
tradeTable->setText(tradeTable->numRows() - 1, 0, ts);
trade->getEnterDateString(ts);
tradeTable->setText(tradeTable->numRows() - 1, 1, ts);
tradeTable->setText(tradeTable->numRows() - 1, 2, QString::number(trade->getEnterPrice(), 'f', 2));
trade->getExitDateString(ts);
tradeTable->setText(tradeTable->numRows() - 1, 3, ts);
tradeTable->setText(tradeTable->numRows() - 1, 4, QString::number(trade->getExitPrice(), 'f', 2));
trade->getExitSignalString(ts);
tradeTable->setText(tradeTable->numRows() - 1, 5, ts);
tradeTable->setText(tradeTable->numRows() - 1, 6, QString::number(trade->getProfit(), 'f', 2));
tradeTable->setText(tradeTable->numRows() - 1, 7, QString::number(trade->getBalance(), 'f', 2));
tradeTable->setText(tradeTable->numRows() - 1, 8, QString::number(trade->getVolume()));
}
// test summary
summaryBalance->setNum(balance);
summaryNetProfit->setNum(balance - account);
summaryNetPercentage->setNum(((balance - account) / account) * 100);
summaryInvestment->setNum(account);
summaryCommission->setNum(commission);
summaryDrawdown->setNum(accountDrawdown - account);
summaryTrades->setNum(longTrades + shortTrades);
summaryLongTrades->setNum(longTrades);
summaryShortTrades->setNum(shortTrades);
//.........这里部分代码省略.........