X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fpoint.h;h=dcdb1ac89472c9c4c95d865901b442e51fedf0b4;hb=1b6e46a6589c6f3a5c8f52d6948b5f254e6d304b;hp=a2154206d4783c0305087536052e64cad6d05b3e;hpb=b1dc801cd30fc07845a1509ed81d649163d61681;p=nothing.git

diff --git a/src/point.h b/src/point.h
index a2154206..dcdb1ac8 100644
--- a/src/point.h
+++ b/src/point.h
@@ -1,8 +1,19 @@
 #ifndef POINT_H_
 #define POINT_H_
 
-typedef struct {
+typedef struct point_t {
     float x, y;
 } point_t;
 
+typedef point_t vec_t;
+
+vec_t vec(float x, float y);
+vec_t vec_sum(vec_t v1, vec_t v2);
+vec_t vec_neg(vec_t v);
+void vec_add(vec_t *v1, vec_t v2);
+float vec_length(vec_t v);
+vec_t vec_scala_mult(vec_t v, float scalar);
+vec_t vec_entry_mult(vec_t v1, vec_t v2);
+vec_t vec_entry_div(vec_t v1, vec_t v2);
+
 #endif  // POINT_H_