diff options
| -rw-r--r-- | profile.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -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 |