Global illumination

1 files changed, 1 insertions, 0 deletions

diff --git a/vector.h b/vector.h
index 81b5df1..7e4dccb 100644
--- a/vector.h
+++ b/vector.h
@@ -18,6 +18,7 @@ vector_t *vector_copy(vector_t *dest, vector_t *src);
 
 // Calculate the length of v
 COORD_T vector_len(vector_t *v);
+void vector_norm(vector_t *v);
 
 COORD_T vector_dot(vector_t *a, vector_t *b);