(END_NODE): New macro.

(relation_node): Now unsigned int, not short int.
This commit is contained in:
Paul Eggert
2004-10-22 23:10:39 +00:00
parent 0859e438eb
commit ed4cdb7afc

View File

@@ -25,9 +25,11 @@
/* Performing operations on graphs coded as list of adjacency.
If GRAPH is a relation, then GRAPH[Node] is a list of adjacent
nodes, ended with -1. */
nodes, ended with END_NODE. */
typedef short int relation_node;
#define END_NODE ((relation_node) -1)
typedef unsigned int relation_node;
typedef relation_node *relation_nodes;
typedef relation_nodes *relation;