Update persp and ndc2clip to be more consistent with other maths functions.

1 files changed, 2 insertions, 2 deletions

diff --git a/maths.h b/maths.h
index 6d33c6f..af2a027 100644
--- a/maths.h
+++ b/maths.h
@@ -41,7 +41,7 @@ int* mtx_apply(const int* m, int* v);
 int* vec_cpy(int* d, const int* s, int c);
 int* vec_ref(int* d, const int* i, const int* n, int c);
 int vec_dot(const int* a, const int* b, int d);
-void persp(int* v, int asp);
-void ndc2clip(int* c, int* p);
+int* persp(int* v, int asp);
+int* ndc2clip(const int* c, int* p);
 
 #endif