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authorGravatar Dirk Hohndel <dirk@hohndel.org>2014-03-17 20:41:16 -0700
committerGravatar Dirk Hohndel <dirk@hohndel.org>2014-03-17 20:41:16 -0700
commitcb53049b7495398969d45925f7823fd7588e8126 (patch)
tree9cf12207d796066d4c81604bbe367d153fa95024 /profile.c
parent17a675367d8d3b622a9793225f161d9efbf985ac (diff)
downloadsubsurface-cb53049b7495398969d45925f7823fd7588e8126.tar.gz
Don't devide by 0 if fO2 is 100%
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>
Diffstat (limited to 'profile.c')
-rw-r--r--profile.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/profile.c b/profile.c
index 2102179f2..58a29d9c4 100644
--- a/profile.c
+++ b/profile.c
@@ -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