+/* Copyright (c) 2006 Darina Dimitrova, Arnaud Legrand.
+ 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 _XBT_GRAPH_PRIVATE_H
+#define _XBT_GRAPH_PRIVATE_H
+#include "xbt/dynar.h"
+
+#define NOT_EXPLORED 0
+#define CURRENTLY_EXPLORING 1
+#define ALREADY_EXPLORED 2
+
+/* Node structure */
+/* typedef struct xbt_node *xbt_node_t; */
+typedef struct xbt_node
+{
+ xbt_dynar_t out;
+ xbt_dynar_t in; /* not used when the graph is directed */
+ double position_x; /* positive value: negative means undefined */
+ double position_y; /* positive value: negative means undefined */
+ void *data; /* user data */
+ void *xbtdata; /* private xbt data: should be reinitialized at the
+ beginning of your algorithm if you need to use it */
+} s_xbt_node_t;
+
+/* edge structure */
+/* typedef struct xbt_edge *xbt_edge_t; */
+typedef struct xbt_edge
+{
+ xbt_node_t src;
+ xbt_node_t dst;
+ void *data; /* user data */
+ void *xbtdata; /* private xbt data: should be reinitialized at the
+ beginning of your algorithm if you need to use it */
+ double length; /* positive value: negative means undefined */
+} s_xbt_edge_t;
+
+/* Graph structure */
+/* typedef struct xbt_graph *xbt_graph_t; */
+typedef struct xbt_graph
+{
+ xbt_dynar_t nodes;
+ xbt_dynar_t edges;
+ unsigned short int directed;
+ void *data; /* user data */
+ void *xbtdata; /* private xbt data: should be reinitialized at the
+ beginning of your algorithm if you need to use it */
+} s_xbt_graph_t;
+void xbt_floyd_algorithm(xbt_graph_t g, double* adj,double* d, xbt_node_t* p);
+void xbt_graph_depth_visit (xbt_graph_t g,xbt_node_t n,xbt_node_t* sorted,int* idx);
+
+#endif /* _XBT_GRAPH_PRIVATE_H */