2 * Copyright (c) 2001-2002, David Janssens
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30 typedef struct tgt_node {
31 struct tgt_node *parent;
47 * Reset a tag-tree (set all leaves to 0)
48 * tree: tag-tree to reset
50 void tgt_reset(tgt_tree_t * tree);
54 * numleafsh: width of the array of leafs of the tree
55 * numleafsv: height of the array of leafs of the tree
57 tgt_tree_t *tgt_create(int numleafsh, int numleafsv);
60 * Destroy a tag-tree, liberating memory
61 * tree: tag-tree to destroy
63 void tgt_destroy(tgt_tree_t * tree);
66 * Set the value of a leaf of a tag-tree
67 * tree: tag-tree to modify
68 * leafno: number that identifies the leaf to modify
69 * value: new value of the leaf
71 void tgt_setvalue(tgt_tree_t * tree, int leafno, int value);
74 * Encode the value of a leaf of the tag-tree up to a given threshold
75 * leafno: number that identifies the leaf to encode
76 * threshold: threshold to use when encoding value of the leaf
78 void tgt_encode(tgt_tree_t * tree, int leafno, int threshold);
81 * Decode the value of a leaf of the tag-tree up to a given threshold
82 * leafno: number that identifies the leaf to decode
83 * threshold: threshold to use when decoding value of the leaf
85 int tgt_decode(tgt_tree_t * tree, int leafno, int threshold);