mv some app examples in app- folders

[simgrid.git] / examples / msg / app-chainsend / iterator.h

diff --git a/examples/msg/app-chainsend/iterator.h b/examples/msg/app-chainsend/iterator.h
new file mode 100644 (file)
index 0000000..5d3d06d
--- /dev/null
+++ b/examples/msg/app-chainsend/iterator.h
@@ -0,0 +1,46 @@
+/* Copyright (c) 2012-2014. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#ifndef ITERATOR_H
+#define ITERATOR_H
+
+#include "xbt/dynar.h"
+#include "xbt/sysdep.h"
+
+/* Random iterator for xbt_dynar */
+typedef struct xbt_dynar_iterator_struct {
+  xbt_dynar_t list;
+  xbt_dynar_t indices_list;
+  int current;
+  unsigned long length;
+  xbt_dynar_t (*criteria_fn)(int size);
+} *xbt_dynar_iterator_t;
+typedef struct xbt_dynar_iterator_struct xbt_dynar_iterator_s;
+
+/* Iterator methods */
+xbt_dynar_iterator_t xbt_dynar_iterator_new(xbt_dynar_t list, xbt_dynar_t (*criteria_fn)(int));
+void xbt_dynar_iterator_reset(xbt_dynar_iterator_t it);
+void xbt_dynar_iterator_seek(xbt_dynar_iterator_t it, int pos);
+void *xbt_dynar_iterator_next(xbt_dynar_iterator_t it);
+void xbt_dynar_iterator_delete(xbt_dynar_iterator_t it);
+
+/* Iterator generators */
+xbt_dynar_t forward_indices_list(int size);
+xbt_dynar_t reverse_indices_list(int size);
+xbt_dynar_t random_indices_list(int size);
+
+/* Shuffle */
+/**************************************/
+void xbt_dynar_shuffle_in_place(xbt_dynar_t indices_list);
+
+#define xbt_dynar_swap_elements(d, type, i, j) \
+  type tmp; \
+  tmp = xbt_dynar_get_as(indices_list, (unsigned int)j, type); \
+  xbt_dynar_set_as(indices_list, (unsigned int)j, type, \
+    xbt_dynar_get_as(indices_list, (unsigned int)i, type)); \
+  xbt_dynar_set_as(indices_list, (unsigned int)i, type, tmp);
+
+#endif /* ITERATOR_H */