X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/d33cb3ae09c2bed6df2ef950f5aa14ceba428d8b..55f0c7b1f26afabb7f356343f2650626e09fce51:/src/relation.h diff --git a/src/relation.h b/src/relation.h index 45a872be..479e42ec 100644 --- a/src/relation.h +++ b/src/relation.h @@ -1,5 +1,5 @@ /* Binary relations. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2004 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -15,8 +15,8 @@ You should have received a copy of the GNU General Public License along with Bison; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ #ifndef RELATION_H_ @@ -24,25 +24,27 @@ /* Performing operations on graphs coded as list of adjacency. - If GRAPH is a relation_t, then GRAPH[Node] is a list of adjacent - nodes, ended with -1. */ + If GRAPH is a relation, then GRAPH[Node] is a list of adjacent + nodes, ended with END_NODE. */ -typedef short relation_node_t; -typedef relation_node_t *relation_nodes_t; -typedef relation_nodes_t *relation_t; +#define END_NODE ((relation_node) -1) +typedef size_t relation_node; +typedef relation_node *relation_nodes; +typedef relation_nodes *relation; -/* Report a RELATION that has SIZE vertices. */ -void relation_print (relation_t relatio, size_t size, FILE *out); -/* Compute the transitive closure of the FUNCTION on the RELATION with - SIZE vertices. +/* Report a relation R that has SIZE vertices. */ +void relation_print (relation r, relation_node size, FILE *out); - If RELATION (NODE-1, NODE-2) then on exit FUNCTION[NODE-1] was - extended (unioned) with FUNCTION[NODE-2]. */ -void relation_digraph (relation_t relation, size_t size, bitsetv *function); +/* Compute the transitive closure of the FUNCTION on the relation R + with SIZE vertices. + + If R (NODE-1, NODE-2) then on exit FUNCTION[NODE - 1] was extended + (unioned) with FUNCTION[NODE - 2]. */ +void relation_digraph (relation r, relation_node size, bitsetv *function); /* Destructively transpose *R_ARG, of size N. */ -void relation_transpose (relation_t *R_arg, int n); +void relation_transpose (relation *R_arg, relation_node n); #endif /* ! RELATION_H_ */