/**
* Description not yet available.
* \param
*/
void dmcv_prod(void)
{
verify_identifier_string("PLX");
dvar_vector_position tmp_pos=restore_dvar_vector_position();
dvar_matrix_position m_pos=restore_dvar_matrix_position();
dvar_vector_position x_pos=restore_dvar_vector_position();
dvector x=restore_dvar_vector_value(x_pos);
verify_identifier_string("PL4");
dvector dftmp=restore_dvar_vector_derivatives(tmp_pos);
dmatrix dfm(m_pos);
dfm.initialize();
double dfsum;
int mmin=dfm.rowmin();
int mmax=dfm.rowmax();
for (int i=mmax; i>=mmin; i--)
{
// tmp.elem_value(i)=sum;
dfsum=dftmp.elem(i);
dvector& tt=dfm.elem(i);
for (int j=x.indexmax(); j>=x.indexmin(); j--)
{
//sum+=(m.elem(i)).elem_value(j)*x.elem_value(j);
tt.elem(j)+=dfsum*x.elem(j);
}
//sum=0.0;
dfsum=0.0;
}
dfm.save_dmatrix_derivatives(m_pos);
}
void RssListItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QStyledItemDelegate::paint(painter,option,index);
painter->save();
QFont font = QApplication::font();
QFont SubFont = QApplication::font();
QFont dateFont = QApplication::font();
//font.setPixelSize(font.weight()+);
font.setBold(true);
SubFont.setWeight(SubFont.weight()-2);
QFontMetrics fm(font);
QFontMetrics dfm(dateFont);
QIcon icon = qvariant_cast<QIcon>(index.data(IconRole));
QString headerText = qvariant_cast<QString>(index.data(HeaderTextRole));
QString subText = qvariant_cast<QString>(index.data(DescriptionRole));
QString dateText = qvariant_cast<QString>(index.data(DateRole));
QSize iconsize = icon.actualSize(option.decorationSize);
QRect headerRect = option.rect;
QRect subheaderRect = option.rect;
QRect iconRect = subheaderRect;
QRect dateRect = subheaderRect;
iconRect.setRight(iconsize.width()+30);
iconRect.setTop(iconRect.top()+5);
headerRect.setLeft(iconRect.right());
headerRect.setTop(headerRect.top()+5);
headerRect.setBottom(headerRect.top()+fm.height());
int dateWidth = 0;
if(!dateText.isEmpty()) {
dateWidth = dfm.width(dateText) + 5;
dateRect.setLeft(iconRect.right());
dateRect.setTop(headerRect.bottom()+17);
}
subheaderRect.setLeft(iconRect.right() + dateWidth);
subheaderRect.setTop(headerRect.bottom()+17);
//painter->drawPixmap(QPoint(iconRect.right()/2,iconRect.top()/2),icon.pixmap(iconsize.width(),iconsize.height()));
painter->drawPixmap(QPoint(iconRect.left()+iconsize.width()/2+2,iconRect.top()+iconsize.height()/2+3),icon.pixmap(iconsize.width(),iconsize.height()));
painter->setFont(font);
painter->drawText(headerRect,headerText);
painter->setFont(SubFont);
painter->drawText(subheaderRect.left(),subheaderRect.top(),subText);
if(dateWidth) {
painter->setFont(dateFont);
painter->drawText(dateRect.left(), dateRect.top(), dateText);
}
painter->restore();
}
