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Fix up air use calculations for new pressure handling

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Make sure that we calculate air use by using the proper start/end
pressures, with the manually set ones being used preferentially over any
possible sample data.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-11-09 07:51:00 -08:00
parent 0089dd8819
commit c32cff2c6b
1 changed files with 4 additions and 1 deletions
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5
divelist.c
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@ -299,6 +299,7 @@ static double calculate_airuse(struct dive *dive)
int i;
for (i = 0; i < MAX_CYLINDERS; i++) {
pressure_t start, end;
cylinder_t *cyl = dive->cylinder + i;
int size = cyl->type.size.mliter;
double kilo_atm;
@ -306,7 +307,9 @@ static double calculate_airuse(struct dive *dive)
if (!size)
continue;
kilo_atm = (to_ATM(cyl->start) - to_ATM(cyl->end)) / 1000.0;
start = cyl->start.mbar ? cyl->start : cyl->sample_start;
end = cyl->end.mbar ? cyl->end : cyl->sample_end;
kilo_atm = (to_ATM(start) - to_ATM(end)) / 1000.0;
/* Liters of air at 1 atm == milliliters at 1k atm*/
airuse += kilo_atm * size;