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Core: remove MAX_CYLINDERS restriction

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Instead of using fixed size arrays, use a new cylinder_table structure.
The code copies the weightsystem code, but is significantly more complex
because cylinders are such an integral part of the core.

Two functions to access the cylinders were added:
get_cylinder() and get_or_create_cylinder()
The former does a simple array access and supposes that the cylinder
exists. The latter is used by the parser(s) and if a cylinder with
the given id does not exist, cylinders up to that id are generated.

One point will make C programmers cringe: the cylinder structure is
passed by value. This is due to the way the table-macros work. A
refactoring of the table macros is planned. It has to be noted that
the size of a cylinder_t is 64 bytes, i.e. 8 long words on a 64-bit
architecture, so passing on the stack is probably not even significantly
slower than passing as reference.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-08-04 18:44:57 +02:00 • committed by Dirk Hohndel
parent cd4f66014f
commit 7c9f46acd2
51 changed files with 804 additions and 779 deletions
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6
desktop-widgets/tab-widgets/TabDiveStatistics.cpp
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@ -118,16 +118,12 @@ void TabDiveStatistics::updateData()
QVector<QPair<QString, int> > gasUsed = selectedDivesGasUsed();
QString gasUsedString;
volume_t vol;
for (int j = 0; j < MAX_CYLINDERS; j++) {
if (gasUsed.isEmpty())
break;
while (!gasUsed.isEmpty()) {
QPair<QString, int> gasPair = gasUsed.last();
gasUsed.pop_back();
vol.mliter = gasPair.second;
gasUsedString.append(gasPair.first).append(": ").append(get_volume_string(vol, true)).append("\n");
}
if (!gasUsed.isEmpty())
gasUsedString.append("...");
volume_t o2_tot = {}, he_tot = {};
selected_dives_gas_parts(&o2_tot, &he_tot);