diff --git a/src/collections.h b/src/collections.h
index 0a263729..9fff7520 100644
--- a/src/collections.h
+++ b/src/collections.h
@@ -30,10 +30,11 @@ KHASH_MAP_INIT_STR(str_str, char *)
 
 VECTOR_INIT(int32_array, int32_t)
 VECTOR_INIT(uint32_array, uint32_t)
+VECTOR_INIT(float_array, float)
+VECTOR_INIT(double_array, double)
 VECTOR_INIT(char_array, char)
 VECTOR_INIT(uchar_array, unsigned char)
 
-
 #ifdef __cplusplus
 }
 #endif