本文整理汇总了C++中typenamestd::vector::setErrorSquared方法的典型用法代码示例。如果您正苦于以下问题：C++ vector::setErrorSquared方法的具体用法？C++ vector::setErrorSquared怎么用？C++ vector::setErrorSquared使用的例子？那么恭喜您, 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typenamestd::vector的用法示例。
在下文中一共展示了vector::setErrorSquared方法的1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: execEventScalar
void MultiplyMD::execEventScalar(typename MDEventWorkspace<MDE, nd>::sptr ws)
{
// Get the scalar multiplying
float scalar = float(m_rhs_scalar->dataY(0)[0]);
float scalarError = float(m_rhs_scalar->dataE(0)[0]);
float scalarRelativeErrorSquared = (scalarError * scalarError) / (scalar * scalar);
// Get all the MDBoxes contained
MDBoxBase<MDE,nd> * parentBox = ws->getBox();
std::vector<API::IMDNode *> boxes;
parentBox->getBoxes(boxes, 1000, true);
bool fileBackedTarget(false);
Kernel::DiskBuffer *dbuff(NULL);
if(ws->isFileBacked())
{
fileBackedTarget = true;
dbuff = ws->getBoxController()->getFileIO();
}
for (size_t i=0; i<boxes.size(); i++)
{
MDBox<MDE,nd> * box = dynamic_cast<MDBox<MDE,nd> *>(boxes[i]);
if (box)
{
typename std::vector<MDE> & events = box->getEvents();
size_t ic(events.size());
typename std::vector<MDE>::iterator it = events.begin();
typename std::vector<MDE>::iterator it_end = events.end();
for (; it != it_end; it++)
{
// Multiply weight by a scalar, propagating error
float oldSignal = it->getSignal();
float signal = oldSignal * scalar;
float errorSquared = signal * signal * (it->getErrorSquared() / (oldSignal * oldSignal) + scalarRelativeErrorSquared);
it->setSignal(signal);
it->setErrorSquared(errorSquared);
}
box->releaseEvents();
if(fileBackedTarget && ic>0)
{
Kernel::ISaveable *const pSaver(box->getISaveable());
dbuff->toWrite(pSaver);
}
}
}
// Recalculate the totals
ws->refreshCache();
// Mark file-backed workspace as dirty
ws->setFileNeedsUpdating(true);
}