core: make gas type enum globally available

The deco-routines used an enum to pass around the inert gas
type. Make that globally available and make it include O2.
This will be used in a future commit to generalize access
of gas fractions.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-10-02 19:40:42 +02:00 committed by Dirk Hohndel
parent cd22b86bf8
commit 34730b898b
2 changed files with 3 additions and 2 deletions

View file

@ -30,7 +30,6 @@
#include "planner.h"
#include "qthelper.h"
enum inertgas { N2, HE };
#define cube(x) (x * x * x)
// Subsurface until v4.6.2 appeared to produce marginally less conservative plans than our benchmarks.
@ -293,7 +292,7 @@ double tissue_tolerance_calc(struct deco_state *ds, const struct dive *dive, dou
/*
* Return Buehlmann factor for a particular period and tissue index.
*/
static double factor(int period_in_seconds, int ci, enum inertgas gas)
static double factor(int period_in_seconds, int ci, enum gas_component gas)
{
if (period_in_seconds == 1) {
if (gas == N2)

View file

@ -10,6 +10,8 @@ extern "C" {
#include <stdbool.h>
#endif
enum gas_component { N2, HE, O2 };
// o2 == 0 && he == 0 -> air
// o2 < 0 -> invalid
struct gasmix {