diff options
-rw-r--r-- | divelist.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/divelist.c b/divelist.c index a07583857..ff493393d 100644 --- a/divelist.c +++ b/divelist.c @@ -248,6 +248,9 @@ static int calculate_cns(struct dive *dive) int o2 = active_o2(dive, dc, sample->time); po2 = o2 * depth_to_atm(sample->depth.mm, dive); } + /* CNS don't increse when below 500 matm */ + if (po2 < 500) + continue; /* Find what table-row we should calculate % for */ for (j = 1; j < sizeof(cns_table) / (sizeof(int) * 3); j++) if (po2 > cns_table[j][0]) |