mifr/subsurface
1
0
Fork 0
mirror of https://github.com/subsurface/subsurface.git synced 2025-01-20 06:45:27 +00:00
Code Issues Projects Releases Packages Wiki Activity

Use the gasmix straight off

Browse source 
In calculate_deco_information we compute the ppo2 so we can graph it,
but if we send that ppo2 on to add_segment it will just reverse the
computation and introduce errors.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Anton Lundin 2013-06-19 18:53:58 +02:00 • committed by Dirk Hohndel
parent 09ee8ece5c
commit 03657ce6a9
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
profile.c
View file

@ -989,12 +989,14 @@ static void calculate_deco_information(struct dive *dive, struct divecomputer *d
fo2 = get_o2(&dive->cylinder[cylinderindex].gasmix);
fhe = get_he(&dive->cylinder[cylinderindex].gasmix);
double ratio = (double)fhe / (1000.0 - fo2);
int ccrdive = 0;
if (entry->po2) {
/* 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;
ccrdive = 1;
entry->po2 = po2;
entry->phe = (amb_pressure - po2) * ratio;
entry->pn2 = amb_pressure - po2 - entry->phe;
@ -1040,7 +1042,7 @@ static void calculate_deco_information(struct dive *dive, struct divecomputer *d
for (j = t0+1; j <= t1; j++) {
int depth = interpolate(entry[-1].depth, entry[0].depth, j - t0, t1 - t0);
double min_pressure = add_segment(depth_to_mbar(depth, dive) / 1000.0,
&dive->cylinder[cylinderindex].gasmix, 1, entry->po2 * 1000, dive);
&dive->cylinder[cylinderindex].gasmix, 1, ccrdive ? entry->po2 * 1000 : 0, dive);
tissue_tolerance = min_pressure;
}
if (t0 == t1)