diff options
| author | Keith Packard <keithp@keithp.com> | 2013-10-27 23:10:13 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-10-27 23:10:13 -0700 |
| commit | 616977d2955da13383a1869b9ccdb07338172109 (patch) | |
| tree | 8c9ac8f9364688b62763c429f6f222649bf69531 /src | |
| parent | e923e11e185fd42d2a83e18b3d13bd839a72b1aa (diff) | |
altos: Mark arguments to quaternion functions as const
Lets us pass constants without the compile whinging
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/ao_quaternion.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/core/ao_quaternion.h b/src/core/ao_quaternion.h index f4b8aaa4..1c0617c4 100644 --- a/src/core/ao_quaternion.h +++ b/src/core/ao_quaternion.h @@ -26,8 +26,8 @@ struct ao_quaternion { }; static inline void ao_quaternion_multiply(struct ao_quaternion *r, - struct ao_quaternion *a, - struct ao_quaternion *b) + const struct ao_quaternion *a, + const struct ao_quaternion *b) { struct ao_quaternion t; #define T(_a,_b) (((a)->_a) * ((b)->_b)) @@ -40,7 +40,7 @@ static inline void ao_quaternion_multiply(struct ao_quaternion *r, } static inline void ao_quaternion_conjugate(struct ao_quaternion *r, - struct ao_quaternion *a) + const struct ao_quaternion *a) { r->r = a->r; r->x = -a->x; @@ -48,7 +48,7 @@ static inline void ao_quaternion_conjugate(struct ao_quaternion *r, r->z = -a->z; } -static inline float ao_quaternion_normal(struct ao_quaternion *a) +static inline float ao_quaternion_normal(const struct ao_quaternion *a) { #define S(_a) (((a)->_a) * ((a)->_a)) return S(r) + S(x) + S(y) + S(z); @@ -56,7 +56,7 @@ static inline float ao_quaternion_normal(struct ao_quaternion *a) } static inline void ao_quaternion_scale(struct ao_quaternion *r, - struct ao_quaternion *a, + const struct ao_quaternion *a, float b) { r->r = a->r * b; @@ -66,7 +66,7 @@ static inline void ao_quaternion_scale(struct ao_quaternion *r, } static inline void ao_quaternion_normalize(struct ao_quaternion *r, - struct ao_quaternion *a) + const struct ao_quaternion *a) { float n = ao_quaternion_normal(a); |