diff options
-rw-r--r-- | profile.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -1879,9 +1879,11 @@ static struct plot_info *create_plot_info(struct dive *dive, struct divecomputer /* we have an O2 partial pressure in the sample - so this * is likely a CC dive... use that instead of the value * from the cylinder info */ + double po2 = entry->po2 > amb_pressure ? amb_pressure : entry->po2; double ratio = (double)fhe / (1000.0 - fo2); - entry->phe = (amb_pressure - entry->po2) * ratio; - entry->pn2 = amb_pressure - entry->po2 - entry->phe; + entry->phe = (amb_pressure - po2) * ratio; + entry->pn2 = amb_pressure - po2 - entry->phe; + entry->po2 = po2; } else { entry->po2 = fo2 / 1000.0 * amb_pressure; entry->phe = fhe / 1000.0 * amb_pressure; |