X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/8e3fe3d8ea9f5e75b6f1be4e4ae8cf2c16db88e3..1f868ca317a161c7b754dc2d80b3be49eddafb23:/lib/heap.h

diff --git a/lib/heap.h b/lib/heap.h
index ebd2f60..c6504ef 100644
--- a/lib/heap.h
+++ b/lib/heap.h
@@ -1,6 +1,6 @@
 /*
  * This file is part of DisOrder.
- * Copyright (C) 2007 Richard Kettlewell
+ * Copyright (C) 2007, 2008 Richard Kettlewell
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,6 +22,8 @@
 #ifndef HEAP_H
 #define HEAP_H
 
+#include "vector.h"
+
 /** @brief Binary heap template.
  * @param NAME name of type to define
  * @param ETYPE element type
@@ -85,7 +87,7 @@
   }                                                                     \
                                                                         \
   static inline NAME##_element NAME##_first(struct NAME *heap) {        \
-    assert(heap->nvec > 0);                                             \
+    assert(heap->nvec > 0 && "_first");                                 \
     return heap->vec[0];                                                \
   }                                                                     \
                                                                         \
@@ -116,7 +118,7 @@
     int n = 0;                                                  \
     NAME##_element r;                                           \
                                                                 \
-    assert(heap->nvec > 0);                                     \
+    assert(heap->nvec > 0 && "_remove");                        \
     r = heap->vec[0];                                           \
     heap->vec[0] = heap->vec[--heap->nvec];                     \
     while(2 * n + 1 < heap->nvec) {                             \