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core: add CRTP base class to unit types

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The goal here is to add general addition and scalar multiplication
functions to the unit types.

Thereto, we need a CRTP
(https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern)
base class.

However, this breaks compound initialization, so we have to use
named initializers:
	weight_t { 2000 } -> weight_t { .grams = 2000 }
The good thing is that this is exactly how these classes were
supposed to be used: make the unit explicit!

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-09-01 21:48:31 +02:00 • committed by bstoeger
parent 696ba61eef
commit 12ca172a9e
26 changed files with 127 additions and 138 deletions
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3
desktop-widgets/simplewidgets.cpp
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@ -62,7 +62,8 @@ RenumberDialog::RenumberDialog(bool selectedOnlyIn, QWidget *parent) : QDialog(p
void SetpointDialog::buttonClicked(QAbstractButton *button)
{
if (ui.buttonBox->buttonRole(button) == QDialogButtonBox::AcceptRole)
Command::addEventSetpointChange(d, dcNr, time, pressure_t { (int)(1000.0 * ui.spinbox->value()) });
Command::addEventSetpointChange(d, dcNr, time,
pressure_t { .mbar = (int)(1000.0 * ui.spinbox->value()) });
}
SetpointDialog::SetpointDialog(struct dive *dIn, int dcNrIn, int seconds) : QDialog(MainWindow::instance()),