Пример #1
0
// Look up in fm, assigning found val at spec'd address
Bool lookupFM ( WordFM* fm, /*OUT*/Word* valP, Word key )
{
    AvlNode* node = avl_find_node( fm->root, key, fm->kCmp );
    if (node) {
        if (valP)
            *valP = node->val;
        return True;
    } else {
        return False;
    }
}
Пример #2
0
int glp_find_row(glp_prob *lp, const char *name)
{   AVLNODE *node;
    int i = 0;
    if (lp->r_tree == NULL)
        xerror("glp_find_row: row name index does not exist\n");
    if (!(name == NULL || name[0] == '\0' || strlen(name) > 255))
    {   node = avl_find_node(lp->r_tree, name);
        if (node != NULL)
            i = ((GLPROW *)avl_get_node_link(node))->i;
    }
    return i;
}
Пример #3
0
int glp_find_col(glp_prob *lp, const char *name)
{   AVLNODE *node;
    int j = 0;
    if (lp->c_tree == NULL)
        xerror("glp_find_col: column name index does not exist\n");
    if (!(name == NULL || name[0] == '\0' || strlen(name) > 255))
    {   node = avl_find_node(lp->c_tree, name);
        if (node != NULL)
            j = ((GLPCOL *)avl_get_node_link(node))->j;
    }
    return j;
}
Пример #4
0
// Delete key from fm, returning associated val if found
Bool delFromFM ( WordFM* fm, /*OUT*/Word* oldV, Word key )
{
    AvlNode* node = avl_find_node( fm->root, key, fm->kCmp );
    if (node) {
        avl_remove_wrk( &fm->root, node, fm->kCmp );
        if (oldV)
            *oldV = node->val;
        fm->dealloc(node);
        return True;
    } else {
        return False;
    }
}
Пример #5
0
int glp_find_vertex(glp_graph *G, const char *name)
{   /* find vertex by its name */
    AVLNODE *node;
    int i = 0;
    if (G->index == NULL)
        xerror("glp_find_vertex: vertex name index does not exist\n");
    if (!(name == NULL || name[0] == '\0' || strlen(name) > 255))
    {   node = avl_find_node(G->index, name);
        if (node != NULL)
            i = ((glp_vertex *)avl_get_node_link(node))->i;
    }
    return i;
}
Пример #6
0
// Look up in fm, assigning found key & val at spec'd addresses
Bool VG_(lookupFM) ( WordFM* fm, 
                     /*OUT*/UWord* keyP, /*OUT*/UWord* valP, UWord key )
{
   AvlNode* node = avl_find_node( fm->root, key, fm->kCmp );
   if (node) {
      if (keyP)
         *keyP = node->key;
      if (valP)
         *valP = node->val;
      return True;
   } else {
      return False;
   }
}