X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=pbqp_node.c;h=f20954f0426cbf2678e5dc975fbbb3ebd006c8b8;hb=4a0403e066651b474eb3a0d1ee106bb0a7f228b7;hp=160425d8cf868e4b1c59af2ce2cd4b8681d774cc;hpb=b1ca465591d6c8e6bf323b3d80b6b75ae2ee593e;p=libfirm

diff --git a/pbqp_node.c b/pbqp_node.c
index 160425d8c..f20954f04 100644
--- a/pbqp_node.c
+++ b/pbqp_node.c
@@ -4,19 +4,47 @@
 
 #include "pbqp_node.h"
 #include "pbqp_node_t.h"
+#include "pbqp_edge_t.h"
 #include "vector.h"
 
-pbqp_node *alloc_node(pbqp *pbqp, vector *costs)
+pbqp_node *alloc_node(pbqp *pbqp, unsigned node_index, vector *costs)
 {
 	pbqp_node *node = obstack_alloc(&pbqp->obstack, sizeof(*node));
 	assert(node);
 
 	node->edges = NEW_ARR_F(pbqp_edge *, 0);
 	node->costs = vector_copy(pbqp, costs);
+	node->bucket_index = UINT_MAX;
+	node->solution = UINT_MAX;
+	node->index = node_index;
 
 	return node;
 }
 
+int is_connected(pbqp_node *node, pbqp_edge *edge)
+{
+	pbqp_edge **edges;
+	unsigned    edge_index;
+	unsigned    edge_len;
+
+	assert(node);
+	assert(edge);
+
+	if (edge->src != node && edge->tgt != node) return 0;
+
+	edges = node->edges;
+	edge_len = ARR_LEN(edges);
+
+	for (edge_index = 0; edge_index < edge_len; ++edge_index) {
+		pbqp_edge *edge_candidate = edges[edge_index];
+		if (edge_candidate == edge) {
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
 void disconnect_edge(pbqp_node *node, pbqp_edge *edge)
 {
 	pbqp_edge **edges;