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Diffstat (limited to 'digital/avr/modules/math/geometry/distance.h')
-rw-r--r--digital/avr/modules/math/geometry/distance.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/digital/avr/modules/math/geometry/distance.h b/digital/avr/modules/math/geometry/distance.h
index c48c2226..049b84ce 100644
--- a/digital/avr/modules/math/geometry/distance.h
+++ b/digital/avr/modules/math/geometry/distance.h
@@ -29,13 +29,13 @@
/** Compute distance between two points.
* - a, b: points. */
int16_t
-distance_point_point (vect_t *a, vect_t *b);
+distance_point_point (const vect_t *a, const vect_t *b);
/** Compute distance between a segment and a point.
* - a: segment first vertice.
* - b: segment second vertice.
* - p: point. */
int16_t
-distance_segment_point (vect_t *a, vect_t *b, vect_t *p);
+distance_segment_point (const vect_t *a, const vect_t *b, const vect_t *p);
#endif /* distance_h */