1 files changed, 1 insertions, 0 deletions

diff --git a/maths.h b/maths.h
index bd87839..d81115f 100644
--- a/maths.h
+++ b/maths.h
@@ -18,5 +18,6 @@ extern int sin_table[sin_table_count];
 extern int cos_table[sin_table_count];
 
 void init_maths(void);
+int fxsqrt(int n);
 
 #endif