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Only calculate with he when he is present in event

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Old gasswitch events only contains O2, so don't look at he part when
the event doesn't contain a He part.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Anton Lundin 2013-09-18 09:06:38 +02:00 • committed by Dirk Hohndel
parent b75aee33fe
commit 93d6eb1397
1 changed files with 8 additions and 1 deletions
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9
profile.c
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@ -646,7 +646,14 @@ static int get_cylinder_index(struct dive *dive, struct event *ev)
delta_o2 = get_o2(&cyl->gasmix) - target_o2;
delta_he = get_he(&cyl->gasmix) - target_he;
distance = delta_o2 * delta_o2 + delta_he * delta_he;
distance = delta_o2 * delta_o2;
/* Check the event type to figure out if we should care about the he part.
* 11 is SAMPLE_EVENT_GASCHANGE, aka without he
* 25 is SAMPLE_EVENT_GASCHANGE2, aka with he
*/
if (ev->type == 25)
distance += delta_he * delta_he;
if (distance >= score)
continue;
score = distance;