diff options
Diffstat (limited to 'divelist.c')
| -rw-r--r-- | divelist.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/divelist.c b/divelist.c index 17f24ef7e..f0a66b456 100644 --- a/divelist.c +++ b/divelist.c @@ -311,6 +311,8 @@ static double calculate_airuse(struct dive *dive) start = cyl->start.mbar ? cyl->start : cyl->sample_start; end = cyl->end.mbar ? cyl->end : cyl->sample_end; + if (!end.mbar || start.mbar <= end.mbar) + continue; airuse += gas_volume(cyl, start) - gas_volume(cyl, end); } |