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Convert volume calculations into floating point

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The basic problem was that for gases containing more than 2147483648 ml
of nitrogen the calculations overflowed. This changes the code into
using floating point math for that calculation which will be more
accurate to.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Anton Lundin 2014-11-07 09:04:47 +01:00 committed by Dirk Hohndel
parent 450093df85
commit 09e8adf54e
1 changed files with 2 additions and 2 deletions
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4
statistics.c
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@ -342,8 +342,8 @@ static void get_gas_parts(struct gasmix mix, volume_t vol, int o2_in_topup, volu
return;
}
air.mliter = (vol.mliter * (1000 - get_he(&mix) - get_o2(&mix))) / (1000 - o2_in_topup);
he->mliter = (vol.mliter * get_he(&mix)) / 1000;
air.mliter = rint(((double)vol.mliter * (1000 - get_he(&mix) - get_o2(&mix))) / (1000 - o2_in_topup));
he->mliter = rint(((double)vol.mliter * get_he(&mix)) / 1000.0);
o2->mliter += vol.mliter - he->mliter - air.mliter;
}