v3f: add nearest integrals: v3f_ceil()/v3f_floor()

1 files changed, 37 insertions, 0 deletions

diff --git a/v3f.h b/v3f.h
index d169e76..9c1d6e4 100644
--- a/v3f.h
+++ b/v3f.h
@@ -316,4 +316,41 @@ static inline v3f_t * v3f_rand(v3f_t *res, const v3f_t *min, const v3f_t *max)
 }
 
 
+static inline v3f_t _v3f_ceil(const v3f_t *v)
+{
+	return (v3f_t){
+		.x = ceilf(v->x),
+		.y = ceilf(v->y),
+		.z = ceilf(v->z),
+	};
+}
+
+
+static inline v3f_t * v3f_ceil(v3f_t *res, const v3f_t *v)
+{
+	if (_v3f_allocated(&res))
+		*res = _v3f_ceil(v);
+
+	return res;
+}
+
+
+static inline v3f_t _v3f_floor(const v3f_t *v)
+{
+	return (v3f_t){
+		.x = floorf(v->x),
+		.y = floorf(v->y),
+		.z = floorf(v->z),
+	};
+}
+
+
+static inline v3f_t * v3f_floor(v3f_t *res, const v3f_t *v)
+{
+	if (_v3f_allocated(&res))
+		*res = _v3f_floor(v);
+
+	return res;
+}
+
 #endif