diff options
Diffstat (limited to 'core/gas.h')
| -rw-r--r-- | core/gas.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/core/gas.h b/core/gas.h index 83eef72e9..b3c539c61 100644 --- a/core/gas.h +++ b/core/gas.h @@ -44,12 +44,12 @@ extern double isothermal_pressure(struct gasmix gas, double p1, int volume1, int extern double gas_density(struct gasmix gas, int pressure); extern int same_gasmix(struct gasmix a, struct gasmix b); -static inline int get_o2(struct gasmix mix) +static inline int get_o2(const struct gasmix mix) { return mix.o2.permille ?: O2_IN_AIR; } -static inline int get_he(struct gasmix mix) +static inline int get_he(const struct gasmix mix) { return mix.he.permille; } @@ -74,6 +74,7 @@ extern bool gasmix_is_air(struct gasmix gasmix); extern bool gasmix_is_invalid(struct gasmix mix); extern enum gastype gasmix_to_type(struct gasmix mix); extern const char *gastype_name(enum gastype type); +extern fraction_t make_fraction(int f); #ifdef __cplusplus } |