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Don't devide by 0 if fO2 is 100%

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Fixes #465

Initial-patch-by: Anton Lundin <glance@acc.umu.se>
Better-idea-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2014-03-17 20:41:16 -07:00
parent 17a675367d
commit cb53049b74
1 changed files with 1 additions and 1 deletions
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profile.c
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@ -1130,7 +1130,7 @@ static void calculate_gas_information_new(struct dive *dive, struct plot_info *p
amb_pressure = depth_to_mbar(entry->depth, dive) / 1000.0;
fo2 = get_o2(&dive->cylinder[cylinderindex].gasmix);
fhe = get_he(&dive->cylinder[cylinderindex].gasmix);
double ratio = (double)fhe / (1000.0 - fo2);
double ratio = (fo2 == 1000) ? 0 : (double)fhe / (1000.0 - fo2);
if (entry->po2) {
/* we have an O2 partial pressure in the sample - so this