Index: trigo.h
===================================================================
--- trigo.h	(revision 21)
+++ trigo.h	(revision 22)
@@ -9,7 +9,7 @@
 // Little introduction to trigo.c
 /**
 This section is mostly designed for internal uses, but provides some
-usefull maths functions.
+usefull maths functions, mostly for trigonometrical uses.
 **/
 
 extern GLfloat raydium_trigo_cos (GLfloat i);
@@ -68,4 +68,9 @@
 Stores the current OpenGL MODELVIEW matrix in res (16 GLfloat)
 **/
 
+extern int raydium_trigo_pow2_next(int value);
+/**
+Returns next power of two of ##value##. Ugly.
+**/
+
 #endif