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(END_NODE): New macro.

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(relation_node): Now unsigned int, not short int.
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Paul Eggert
2004-10-22 23:10:39 +00:00
parent 0859e438eb
commit ed4cdb7afc
1 changed files with 4 additions and 2 deletions
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6
src/relation.h
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@@ -25,9 +25,11 @@
/* Performing operations on graphs coded as list of adjacency. /* Performing operations on graphs coded as list of adjacency.
If GRAPH is a relation, then GRAPH[Node] is a list of adjacent 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_node *relation_nodes;
typedef relation_nodes *relation; typedef relation_nodes *relation;