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gas pressures: do some initial cleanup

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This marks "surface_volume_multiplier()" static in preparation for
changing it to use an actual honest-to-goodness compressibility
estimation.  Without that, it wasn't obvious that the function wasn't
used in other random places.

Also, remove the "wet_volume()" function.  It was unused, but more
importantly, it was wrong.  Yes, it was the inverse of "gas_volume()",
but when you calculate wet volumes from the imperial sizes, you don't
actually use the "real" gas volume, you use the idealized one.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Linus Torvalds 2016-02-24 11:08:50 -08:00 • committed by Dirk Hohndel
parent 7564c89360
commit 82c003c914
2 changed files with 1 additions and 7 deletions
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subsurface-core/dive.h
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@ -129,7 +129,6 @@ extern int units_to_sac(double volume);
/* Volume in mliter of a cylinder at pressure 'p' */
extern int gas_volume(cylinder_t *cyl, pressure_t p);
extern int wet_volume(double cuft, pressure_t p);
static inline int get_o2(const struct gasmix *mix)