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core: use std::vector<> to store divecomputer samples

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This is a hairy one, because the sample code is rather tricky.

There was a pattern of looping through pairs of adjacent samples,
for interpolation purposes. Add an range adapter to generalize
such loops.

Removes the finish_sample() function: The code would call
prepare_sample() to start parsing of samples and then
finish_sample() to actuall add it. I.e. a kind of commit().

Since, with one exception, all users of prepare_sample()
called finish_sample() in all code paths, we might just add
the sample in the first place. The exception was sample_end()
in parse.cpp. This brings a small change: samples are now
added, even if they could only be parsed partially. I doubt
that this makes any difference, since it will only happen
for broken divelogs anyway.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-05-19 12:38:38 +02:00 • committed by bstoeger
parent bc761344d4
commit f120fecccb
28 changed files with 588 additions and 715 deletions
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4
core/statistics.cpp
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@ -262,8 +262,8 @@ bool has_gaschange_event(const struct dive *dive, const struct divecomputer *dc,
bool first_gas_explicit = false;
const struct event *event = get_next_event(dc->events, "gaschange");
while (event) {
if (dc->sample && (event->time.seconds == 0 ||
(dc->samples && dc->sample[0].time.seconds == event->time.seconds)))
if (!dc->samples.empty() && (event->time.seconds == 0 ||
(dc->samples[0].time.seconds == event->time.seconds)))
first_gas_explicit = true;
if (get_cylinder_index(dive, event) == idx)
return true;