Index: trunk/psModules/src/objects/psVectorBracket.h
===================================================================
--- trunk/psModules/src/objects/psVectorBracket.h	(revision 8927)
+++ trunk/psModules/src/objects/psVectorBracket.h	(revision 9297)
@@ -3,7 +3,9 @@
 # define PS_VECTOR_BRACKET_H
 
-int psVectorBracket (psVector *index, psF32 key, bool above);
-int psVectorBracketDescend (psVector *index, psF32 key, bool above);
-psF32 psVectorInterpolate (psVector *index, psVector *value, psF32 key);
+#include <pslib.h>
+
+int psVectorBracket(const psVector *index, psF32 key, bool above);
+int psVectorBracketDescend(const psVector *index, psF32 key, bool above);
+psF32 psVectorInterpolate(const psVector *index, const psVector *value, psF32 key);
 
 # endif /* PS_VECTOR_BRACKET_H */