Reset VPM-B state between repetitive dives

This resets the maximum crushing pressures and the maximal
ambient pressure between repetitive dives to prevent anomalies
that a dive produces a shorter deco when following another one
than without.

Reported-by: sfuchs@gmx.de
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Robert C. Helling 2017-02-07 09:18:19 +01:00 committed by Dirk Hohndel
parent ec20d36f3c
commit 032c3258ed
3 changed files with 12 additions and 0 deletions

View file

@ -559,9 +559,19 @@ void dump_tissues()
printf("\n");
}
void clear_vpmb_state() {
int ci;
for (ci = 0; ci < 16; ci++) {
max_n2_crushing_pressure[ci] = 0.0;
max_he_crushing_pressure[ci] = 0.0;
}
max_ambient_pressure = 0;
}
void clear_deco(double surface_pressure)
{
int ci;
clear_vpmb_state();
for (ci = 0; ci < 16; ci++) {
tissue_n2_sat[ci] = (surface_pressure - ((in_planner() && (decoMode() == VPMB)) ? WV_PRESSURE_SCHREINER : WV_PRESSURE)) * N2_IN_AIR / 1000;
tissue_he_sat[ci] = 0.0;

View file

@ -872,6 +872,7 @@ void dump_plan(struct diveplan *diveplan);
bool plan(struct diveplan *diveplan, char **cached_datap, bool is_planner, bool show_disclaimer);
void calc_crushing_pressure(double pressure);
void vpmb_start_gradient();
void clear_vpmb_state();
void delete_single_dive(int idx);

View file

@ -423,6 +423,7 @@ unsigned int init_decompression(struct dive *dive)
}
add_dive_to_deco(pdive);
laststart = pdive->when;
clear_vpmb_state();
#if DECO_CALC_DEBUG & 2
printf("added dive #%d\n", pdive->number);
dump_tissues();