Ejemplo n.º 1
0
void rotate_left(rb_node* pivot, rb_tree* tree) {
	#ifdef DEBUG
	is_correct(tree);
	assert(!is_leaf(pivot->right, tree));
	#endif
	
	rb_node* root = pivot->right;
	rb_node* move = root->left;
	
	root->parent = pivot->parent;
	
	pivot->right = move;
	if(!is_leaf(move, tree))
		move->parent = pivot;
	
	root->left = pivot;
	pivot->parent = root;
	
	if(root->parent) {
		if (pivot == root->parent->left)
			root->parent->left = root;
		else
			root->parent->right = root;
	} else {
		tree->root = root;
	}
	
	#ifdef DEBUG
	is_correct(tree);
	#endif
}
Ejemplo n.º 2
0
void SetNodeReg::cleave(const IntervalVector& box, Ctc& Ctcin, Ctc& Ctcout, const double eps) {
	if(is_leaf() && status == OUT)
		return;
	IntervalVector box1(box);
	IntervalVector box2(box);
    //try{Ctcin.contract(box1);}
    //catch(EmptyBoxException&){inter(OUT);return;}
    Ctcin.contract(box1);
    if(box1.is_empty()) {
        inter(OUT);
        return;
    }
    //try{Ctcout.contract(box2);}
    //catch(EmptyBoxException&){_union(IN);return;}
    Ctcout.contract(box2);
    if(box2.is_empty()) {
        _union(IN);return;
    }
			
	if(is_leaf()) {
		if(box[var].diam()>eps) {
			cut(box);
			left->cleave(left_box(box),Ctcin,Ctcout,eps);
			right->cleave(right_box(box),Ctcin,Ctcout,eps);
		}
		else
			status = inte(status,UNK);
	}
	else {
		left->cleave(left_box(box),Ctcin,Ctcout,eps);
		right->cleave(right_box(box),Ctcin,Ctcout,eps);
	}
}
Ejemplo n.º 3
0
void SetNodeReg::cleave(const IntervalVector& box, Sep& sep, const double eps) {
	if(is_leaf() && status == OUT)
		return;
	IntervalVector box1(box);
	IntervalVector box2(box);
	sep.separate(box1,box2);
    if(box1.is_empty()){
        inter(OUT);
//        cout<<"box: "<<box<<" set to OUT"<<endl;
    }

    else if(box2.is_empty()){
        _union(IN);
        cout<<"box: "<<box<<" set to IN"<<endl;
    }


	else // continu until box1 and box2 are disjoint
	{	
		if(is_leaf()) {
			if(box[var].diam()>eps) {
				cut(box);
				left->cleave(left_box(box),sep,eps);
				right->cleave(right_box(box),sep,eps);
			}
			else
				status = inte(status,UNK);
		}
		else {
			left->cleave(left_box(box),sep,eps);
			right->cleave(right_box(box),sep,eps);
		}
	}
}
Ejemplo n.º 4
0
bool set::insert(const T& item) {
  if (!loose_insert(item)) return false;
  if (entry_count > MAX) {
    set *left = new set;
    set *right = new set;
    
    std::memmove(left->data, data, MIN*sizeof(T));
    std::memmove(left->subset, subset, (MIN+1)*sizeof(set*));
    left->entry_count = MIN;
    left->child_count = is_leaf() ? 0 : (MIN+1);
    
    std::memmove(right->data, &(data[MIN+1]), MIN*sizeof(T));
    std::memmove(right->subset, &(subset[MIN+1]),(MIN+1)*sizeof(set*));
    right->entry_count = MIN;
    right->child_count = is_leaf() ? 0 : (MIN+1);
    
    data[0] = data[MIN];
    entry_count = 1;
    subset[0] = left;
    subset[1] = right;
    child_count = 2;
  }
  ++cardinal;
  return true;  
}
Ejemplo n.º 5
0
void set::print() {
    for (int i = 0; i<entry_count; i++) {
        if (!is_leaf()) subset[i]->print();
        std::cout << data[i] << " ";
    }
    
	if (!is_leaf()) subset[child_count-1]->print();
}
Ejemplo n.º 6
0
int btree_delete_ex (PBTREE btree, int node_idx, long target_key) {
// target is just a package for the key value.  the reference does not
// provide the address of the Elem instance to be deleted.

    // first find the node contain the Elem instance with the given key
    int parent_index_this = BTREE_INVALID_ELEMENT_IDX;
    PBTREE_ELEMENT found;
    int last_visted_node_idx;
    if (node_idx == BTREE_INVALID_NODE_IDX)
        node_idx = btree->root_node_idx;
    last_visted_node_idx = node_idx;
    found = btree_search_ex (btree, &last_visted_node_idx, target_key);
    if (!found)
        return 0;

    if (is_leaf(btree, last_visted_node_idx) && key_count(btree, last_visted_node_idx) > btree_minimum_keys())
        return vector_delete (btree, last_visted_node_idx, target_key);
    else if (is_leaf(btree, last_visted_node_idx)) {
        vector_delete (btree, last_visted_node_idx, target_key);
        // loop invariant: if _node_ is not null_ptr, it points to a node
        // that has lost an element and needs to import one from a sibling
        // or merge with a sibling and import one from its parent.
        // after an iteration of the loop, _node_ may become null or
        // it may point to its parent if an element was imported from the
        // parent and this caused the parent to fall below the minimum
        // element count.
        while (BTREE_IS_VALID_NODE_IDX(last_visted_node_idx)) {
            int right, left;
            // NOTE: the "this" pointer may no longer be valid after the first
            // iteration of this loop!!!
            if (last_visted_node_idx == find_root(btree) && is_leaf(btree, last_visted_node_idx))
                break;
            if (last_visted_node_idx == find_root(btree) && !is_leaf(btree, last_visted_node_idx)) // sanity check
                return 0;
            // is an extra element available from the right sibling (if any)
            right = right_sibling(btree, last_visted_node_idx, &parent_index_this);
            if (BTREE_IS_VALID_NODE_IDX(right) && key_count(btree, right) > btree_minimum_keys())
                last_visted_node_idx = rotate_from_right(btree, last_visted_node_idx, parent_index_this);
            else {
                // is an extra element available from the left sibling (if any)
                left = left_sibling(btree, last_visted_node_idx, &parent_index_this);
                if (BTREE_IS_VALID_NODE_IDX(left) && key_count(btree, left) > btree_minimum_keys())
                    last_visted_node_idx = rotate_from_left(btree, last_visted_node_idx, parent_index_this);
                else if (BTREE_IS_VALID_NODE_IDX(right))
                    last_visted_node_idx = merge_right(btree, last_visted_node_idx, parent_index_this);
                else if (BTREE_IS_VALID_NODE_IDX(left))
                    last_visted_node_idx = merge_left(btree, last_visted_node_idx, parent_index_this);
            }
        }
    }
    else {
        PBTREE_ELEMENT smallest_in_subtree = smallest_key_in_subtree(btree, found->subtree_node_idx);
        found->key = smallest_in_subtree->key;
        found->data_entry_idx = smallest_in_subtree->data_entry_idx;
        btree_delete_ex (btree, found->subtree_node_idx, smallest_in_subtree->key);
    }
    return 1;
}
Ejemplo n.º 7
0
void rb_delete(rb_node* n, rb_tree* tree) {
	#ifdef DEBUG
	if(!is_leaf(n->left, tree))
		assert(is_leaf(n->right, tree));
	if(!is_leaf(n->right, tree))
		assert(is_leaf(n->left, tree));
	#endif
	
	delete_one_child(n, tree);
	tree->n--;
}
Ejemplo n.º 8
0
// only c1 and c2 can be modified
static void interact(const struct cell *c1, const struct cell *c2) {
    if (is_leaf(c1) && is_leaf(c2)) {
        direct(c1, c2);
    } else if (is_leaf(c1)) {
        map(interact, product(c1, get_subcells(c2)));
    } else if (is_leaf(c2)) {
        map(interact, product(get_subcells(c1), c2));
    } else {
        map(interact, product(get_subcells(c1), get_subcells(c2)));
    }
}
void infix(Pointer<T> pointer)
{
    if(pointer)
    {
        if(! is_leaf(pointer))  std::cout << "(";
        infix(pointer->left_);
        std::cout << pointer->val_;
        infix(pointer->right_);
        if(! is_leaf(pointer))  std::cout << ")";
    }
}
Ejemplo n.º 10
0
int check_tree(btree *tree){
  /*
    We need to treat the root specially since it can violate some properties
  */
  btree_node *root = tree->root;
  if(root->n_keys == 0){
    return 0;
  }
  if(root->n_keys > max_keys){
    HERE_FMT("Too many keys in the root\n");
    return -1;
  }
  if(is_leaf(root)){
    uint64_t min = 0;
    int i;
    for(i=0;i<root->n_keys;i++){
      if(root->keys[i] < min){
        HERE_FMT("key %d = %lu < key %d = %lu\n",
                 i, root->keys[i], i-1, root->keys[i-1]);
        return -1;
      }
      min = root->keys[i];
    }
    return 0 ;
  }
  int i = 0;
  //we use i<=root->n_keys since btree nodes have one child more
  //then they do keys
  uint64_t min = 0;
  uint64_t max = root->keys[0];
  //Check to make sure all nodes on the same level are either
  //leaves or internal nodes, not a mix of the two
  int leaf_status = is_leaf(root->children[i]);
  for(i=0;i<=root->n_keys;i++){
    WARN_ONCE(min > max, "key %d > key %d\n",i,i-1);
    if(leaf_status != is_leaf(root->children[i])){
      HERE_FMT("All leaves are not the same depth");
      return -1;
    }
    int err = check_node(root->children[i], min, max);
    if(err){
      return err;
    }
    min = root->keys[i];
    max = (i+1 == root->n_keys ? UINT64_MAX : root->keys[i+1]);
  }
  return 0;
}
Ejemplo n.º 11
0
struct node* tree_to_list(struct node* root)
{
    if (root == NULL)
        return root;
    if (is_leaf(root)) {
        root->left = root;
        root->right = root;
        return root;
    }
    struct node* head = NULL;
    struct node* end = NULL;
    struct node* temp = NULL;
    if (root->left != NULL) {
        helper(root->left, &head, &end); 
        root->left = end;
        root->left->right = root;
        temp = head; 
    } else {
        temp = root;
    }
    if (root->right != NULL) {
        helper(root->right, &head, &end); 
        root->right = head;
        root->right->left = root;
    } else {
        end = root;
    }
    
    temp->left = end;  
    end->right = temp;
    return temp;
}
Ejemplo n.º 12
0
int leaf_count(Node node){
	if(!node)
		return 0;
	else if(is_leaf(node))
		return 1;
	else return(leaf_count(node->left) + leaf_count(node->right));
}
Ejemplo n.º 13
0
   p_queue::size_type
   p_queue::big_child_index(size_type i) const
   // Pre:  is_leaf(i) returns false
   // Post: The index of "the bigger child of the item at heap[i]"
   //       has been returned.
   //       (The bigger child is the one whose priority is no smaller
   //       than that of the other child, if there is one.)
   {
	  assert( !is_leaf(i) );
	  
	  size_type index1 = 2 * i + 1,
	            index2 = 2 * i + 2;
	
	 if( index1 <=  used - 1  && index2 > used - 1 )
		 return index1; 
	 
	 else if( index1 >  used - 1  && index2 <= used - 1 ) 
		 return index2; 
	 
	 else if( heap[index1].priority > heap[index2].priority )
		 return index1; 
	 
	 else 
		 return index2; 
	  
	
   }
Ejemplo n.º 14
0
/*************************************************************************
 * Compute the maximum depth of a tree.
 *************************************************************************/
int compute_depth
  (TREE_T * const a_tree)
{
  /* Base case: leaf. */
  if (is_leaf(a_tree)) {
    return(1);
  }

  /* Recursive case: internal node. */
  else {
    int max_depth = 0;
    int num_children = get_num_children(a_tree);
    int i_child;
    for (i_child = 0; i_child < num_children; i_child++) {
      int this_depth = compute_depth(get_nth_child(i_child, a_tree));
      if (this_depth > max_depth) {
	max_depth = this_depth;
      }
    }
    return(max_depth + 1);
  }
  /* Unreachable. */
  abort();
  return(0);
}
Ejemplo n.º 15
0
/* This auxiliary function is only necessary because the tree must end
   with a semi-colon. */
static void write_tree_aux
  (TREE_T * a_tree,
   FILE *   outfile)
{
  int i_child;

  /* If it's a leaf, print it. */
  if (is_leaf(a_tree)) {
    fprintf(outfile, "%s", a_tree->label);
    if (a_tree->has_length) {
      fprintf(outfile, ":%7.5f", a_tree->length);
    }
  }

  /* Otherwise, parenthesize and print the children with commas between. */
  else {
    fprintf(outfile, "(");
    for (i_child = 0; i_child < a_tree->num_children - 1; i_child++) {
      write_tree_aux(a_tree->children[i_child], outfile);
      fprintf(outfile, ",");
    }
    write_tree_aux(a_tree->children[i_child], outfile);
    fprintf(outfile, ")");
    if (a_tree->has_length) {
      fprintf(outfile, ":%7.5f", a_tree->length);
    }
  }
}
Ejemplo n.º 16
0
static void logprint_qtree(QTREE_NODE *node, int depth) {
	BBOX b;
	int i;

	if (node == NULL)
		return;
	b = node->bb;
	if (!is_leaf(node)) {
		printlog("newline linethickness 0.3 pts %g %g %g %g %g %g %g %g %g %g\n",
			b.x, b.y, b.x+b.size, b.y, b.x+b.size,
			b.y+b.size, b.x, b.y+b.size, b.x, b.y);
		for (i = 0; i < N_NODES(node); i++)
			logprint_qtree(node->u.node[i], depth+1);
	} else {
		printlog("newline pts %g %g %g %g %g %g %g %g %g %g\n",
			b.x, b.y, b.x+b.size, b.y, b.x+b.size,
			b.y+b.size, b.x, b.y+b.size, b.x, b.y);
		/*
		if (node == NULL)
			printlog("newcurve marktype circle fill 1 pts %g %g\n",
				b.x+0.5*b.size, b.y+0.5*b.size);
		*/
		if (node->n_node > 0) {
			printlog("newcurve marktype cross pts");
			for (i = 0; i < node->n_node; i++)
				printlog(" %g %g",	node->u.list[i]->x, node->u.list[i]->y);
			printlog("\n");
		}
	}
}
Ejemplo n.º 17
0
/**************************************************************************
 * Compute and store the number of descendants of each node in a tree.
 **************************************************************************/
static void compute_descendants
  (TREE_T * a_tree, BOOLEAN_T force) 
{
  int i_child;
  int num_descendants;

  /* Don't do anything if we've already computed the descendants. */
  if (!force && a_tree->has_descendants) {
    return;
  }

  /* Base case: A leaf has only itself as a descendant. */
  if (is_leaf(a_tree)) {
    num_descendants = 1;
    a_tree->has_descendants = FALSE;
  }
  else {
    /* Recursive case: Descendants of each child. */
    num_descendants = 0;
    a_tree->has_descendants = TRUE;
    for (i_child = 0; i_child < a_tree->num_children; i_child++) {
      compute_descendants(get_nth_child(i_child, a_tree), force);
      num_descendants += get_num_descendants(get_nth_child(i_child, a_tree), force);
    }
  }
  a_tree->num_descendants = num_descendants;
}
Ejemplo n.º 18
0
Archivo: hamt.c Proyecto: 4n3w/dump
void *hamt_insert(struct hamt_root *root, void *item)
{
	uint128_t *item_hash = root->hash(root->hash_ud, item);
	assert(((unsigned long)item & ITEM_MASK) == 0);
	assert(item);

	if (unlikely(ston(root->slot) == NULL)) {
		root->slot = item_to_slot(item);
		return item;
	}

	struct hamt_state s;
        s.level = 0;
        s.ptr[0] = &root->slot;
        void *found_item = __hamt_search(root, item_hash, &s);

        if (unlikely(found_item != NULL)) {
                return found_item;
        }

        if (!is_leaf(s.ptr[s.level])) {
                __hamt_add_slot(root, s.ptr[s.level], item, item_hash, s.level);
        } else {
                void *leaf = to_leaf(s.ptr[s.level]);
                uint128_t *leaf_hash = root->hash(root->hash_ud, leaf);

                __hamt_insert_leaf(root, &s, item_hash, item, leaf_hash, leaf);
        }
	return item;
}
 void flatten(TreeNode* root) {
     if (!root)
         return;
     
     if (root->right)
         flatten(root->right);
     
     if (root->left) {
         if (is_leaf(root->left)) {
             root->left->right = root->right;
             root->right = root->left;
             root->left = NULL;
             return;
         }
         
         flatten(root->left);
             
         // var
         TreeNode* it = root->left;
         
         while (it->right)
             it = it->right;
         
         it->right = root->right;
         root->right = root->left;
         root->left = NULL;
     }
 }
Ejemplo n.º 20
0
void test_down(rb_node* n, rb_tree* tree) {
	assert(n->parent);
	assert(n == n->parent->left || n == n->parent->right);
	assert(n->left);
	assert(n->right);
	if(!is_leaf(n->left, tree)) {
		assert(n->key >= n->left->key);
		test_down(n->left, tree);
		assert(n->left != n->right);
	}
	if(!is_leaf(n->right, tree)) {
		assert(n->key <= n->right->key);
		test_down(n->right, tree);
		assert(n->left != n->right);
	}
}
Ejemplo n.º 21
0
// search keywords in array Keys in the text T
// Keys: 	the 2D char array holding keywords
// T:		the pointer to the text array
// num_states: 	the number of states in the finite state machine, 
// 		this parameter need not to be exact, you can input the maximum number of states
// num_keys: 	the number of keys in the keyword set
// alpb:	the size of the alphabet. 
void multi_pattern_search(char *T, char **Keys, int num_states, int num_keys, int alpb){
	int **G = construct_trie_and_L(Keys, num_keys, num_states, alpb);
	int *F = construct_fsm_and_L(Keys,G, alpb, num_keys);
	int j = 0;
	int i = 1;
	int n = strlen(T) - 1; // characters in T are indexed from 1
	for(; i <= n; i++){
		while(j >= 0 && G[j][id(T[i])] == -1){
			j = F[j];
		}
		if(j == -1) j = 0;
		else {
			j = G[j][id(T[i])];
			if(strlen(L[j]) > 0){
				printf("the keyword found at state %d is: ", j);
				print_char_arr(L[j]);
				printf("\n");
				int keylen = strlen(L[j])-1; // ignore the first empty character
				printf("the last pos of the text containing the keywords is:  %d\n", i);
			}
			if(is_leaf(j, G, alpb)){
				j = F[j];
			}
		}
	}
}
Ejemplo n.º 22
0
void list(desktop_t *d, node_t *n, char *rsp, unsigned int depth)
{
    if (n == NULL)
        return;

    char line[MAXLEN];

    for (unsigned int i = 0; i < depth; i++)
        strncat(rsp, "  ", REMLEN(rsp));

    if (is_leaf(n)) {
        client_t *c = n->client;
        snprintf(line, sizeof(line), "%c %s %X %u %u %ux%u%+i%+i %c%c%c%c%c", (c->born_as == MODE_AUTOMATIC ? 'a' : 'm'), c->class_name, c->window, c->uid, c->border_width, c->floating_rectangle.width, c->floating_rectangle.height, c->floating_rectangle.x, c->floating_rectangle.y, (c->floating ? 'f' : '-'), (c->transient ? 't' : '-'), (c->fullscreen ? 'F' : '-'), (c->urgent ? 'u' : '-'), (c->locked ? 'l' : '-'));
    } else {
        snprintf(line, sizeof(line), "%c %.2f", (n->split_type == TYPE_HORIZONTAL ? 'H' : 'V'), n->split_ratio);
    }

    strncat(rsp, line, REMLEN(rsp));

    if (n == d->focus)
        strncat(rsp, " *\n", REMLEN(rsp));
    else if (n == d->last_focus)
        strncat(rsp, " ~\n", REMLEN(rsp));
    else
        strncat(rsp, "\n", REMLEN(rsp));

    list(d, n->first_child, rsp, depth + 1);
    list(d, n->second_child, rsp, depth + 1);
}
Ejemplo n.º 23
0
void rotate_tree(node_t *n, rotate_t rot)
{
    if (n == NULL || is_leaf(n))
        return;

    node_t *tmp;

    if ((rot == ROTATE_CLOCKWISE && n->split_type == TYPE_HORIZONTAL)
            || (rot == ROTATE_COUNTER_CLOCKWISE && n->split_type == TYPE_VERTICAL)
            || rot == ROTATE_FULL_CYCLE) {
        tmp = n->first_child;
        n->first_child = n->second_child;
        n->second_child = tmp;
        n->split_ratio = 1.0 - n->split_ratio;
    }

    if (rot != ROTATE_FULL_CYCLE) {
        if (n->split_type == TYPE_HORIZONTAL)
            n->split_type = TYPE_VERTICAL;
        else if (n->split_type == TYPE_VERTICAL)
            n->split_type = TYPE_HORIZONTAL;
    }

    rotate_tree(n->first_child, rot);
    rotate_tree(n->second_child, rot);
}
Ejemplo n.º 24
0
    static branch_vector break_trees_into_branches(
        tree_vector const& trees,
        mcolor_t complete_color = cfg::get().complete_color()) {
      branch_vector result;

      for (auto& tree: trees) {
        node_queue nodes_to_process;
        nodes_to_process.push(tree.get_root());
        while (!nodes_to_process.empty()) {
          auto node = nodes_to_process.front();
          auto node_color = node->get_data();
          nodes_to_process.pop();
          if (node_color != complete_color) {
            // Otherwise packed compliment is empty
            result.push_back(node_color.packed_compliment(complete_color));
          }
          if (!node->is_leaf()) {
            nodes_to_process.push(node->get_left_child());
            nodes_to_process.push(node->get_right_child());
          }
        }
      }

      std::sort(result.begin(), result.end());
      result.erase(std::unique(result.begin(), result.end()), result.end());
      return result;
    }
Ejemplo n.º 25
0
static int get_permutations(Node *location, DynArray *current_string, PrefixResult **collection)
{
  HashTable *current_hash_table = location->next;
  DynArray *internal_array = current_hash_table->array;
  if (location->isword)
  {
    PrefixResult *new_result = malloc(sizeof(PrefixResult));
    LIBPREFIX_ASSERT(new_result != NULL, MALLOC_FAILED)
    new_result->next = *collection;
    new_result->word = dyn_array_to_str(current_string);
    *collection = new_result;
  }
  if (is_leaf(location)) {
    return 0;
  }
  else {
    int i;
    for (i = 0; i < internal_array->size; i++)
    {
      Node *next_node = lookup_dyn_array_node(internal_array, i);
      if (next_node != NULL) {
        append_dyn_array_char(current_string, next_node->key);
        if (get_permutations(next_node, current_string, collection) == 0) {
          pop_dyn_array(current_string);
        }
        else {
          return -1;
        }
      }
    }
  }
  return 0;
}
Ejemplo n.º 26
0
// Compute the Number of leaves in the tree of color TreeColor
static int nb_leaves(GeometricGraph &G, short TreeColor, tbrin RootBrin,
		     svector<short> &ecolor)
  {svector<int> marked(1,G.ne(),0);  marked.SetName("marked");
  svector<bool> is_leaf(1,G.nv(),true);  is_leaf.SetName("is_leaf");
  tbrin b = RootBrin;
  int root_distance = 0;
  int nb_leaves = 0;
  while (1)
      {do
          {b = G.cir[b];
          if(b == RootBrin) return nb_leaves;
          }while (ecolor[b.GetEdge()] != TreeColor && !marked[b.GetEdge()]);

      if (!marked[b.GetEdge()])     // Montee dans l'arbre
          {root_distance++;
          marked[b.GetEdge()] = 1;
          b = -b;
          }
      else               // Descente
          {if (is_leaf[G.vin[b]])
              nb_leaves ++;
          root_distance--;
          is_leaf[G.vin[-b]] = false;
          b = -b;
          }
      }
  return nb_leaves;
  }
Ejemplo n.º 27
0
void cycle_search::find_random_cycle(graph_access & G, std::vector<NodeID> & cycle) {
	//first perform a bfs starting from a random node and build the parent array
        std::deque<NodeID>* bfsqueue = new std::deque<NodeID>;
	NodeID v = random_functions::nextInt(0, G.number_of_nodes()-1);
	bfsqueue->push_back(v); 

	std::vector<bool>   touched(G.number_of_nodes(),false);
	std::vector<bool>   is_leaf(G.number_of_nodes(),false);
	std::vector<NodeID> parent(G.number_of_nodes(),0);
	std::vector<NodeID> leafes;
	touched[v] = true;
	parent[v]  = v;

	while(!bfsqueue->empty()) {
		NodeID source = bfsqueue->front();
		bfsqueue->pop_front();

		bool is_leaf = true;
		forall_out_edges(G, e, source) {
			NodeID target = G.getEdgeTarget(e);
			if(!touched[target]) {
				is_leaf         = false;
				touched[target] = true; 
				parent[target]  = source;
				bfsqueue->push_back(target);
			}
		} endfor

		if(is_leaf) 
			leafes.push_back(source);

	}
Ejemplo n.º 28
0
 /*!
  *  \param v A node.
  */
 size_type degree(const node_type& v) const {
     if (is_leaf(v)) {  // handles boundary cases
         return 0;
     }
     // position of the next node  - node position - 1
     return m_bv_select1(v.nr+2) - v.pos - 1;
 }
Ejemplo n.º 29
0
/*************************************************************************
  This function populates a trans_matix_array with pointers to matrices 
  and the corresponding time values indexed by the edge number of the 
  phylogenetic tree.  The edges are numbered in depth-first order.

  The three parameters are an evolutinary model, a phylogentic
  tree, and a pointer to substmatrix_array structure.

  The function returns an integer containing the number of matrices
  added to the substmatrix_array structure.
 *************************************************************************/
static int populate_substmatrix_array(
  EVOMODEL_T* model, // IN
  TREE_T* tree, // IN
  int current_position, // IN
  SUBSTMATRIX_ARRAY_T* array // OUT
) {
  // Recursively descend the tree, depth first
  int num_children = get_num_children(tree);
  if (is_leaf(tree) != TRUE) {
    int c = 0;
    for (c = 0; c < num_children; c++) {
      TREE_T* child = get_nth_child(c, tree);
      double t = get_length(child);
      set_substmatrix_time(array, current_position, t);
      MATRIX_T* prob_matrix = get_model_prob_matrix(t, model);
      set_substmatrix_matrix(array, current_position, prob_matrix);
      free_matrix(prob_matrix);
      current_position = populate_substmatrix_array(
        model, 
        child, 
        current_position + 1,
        array
      );
    }
  }
  return current_position;
}
Ejemplo n.º 30
0
rb_node* rb_pred(rb_node* n, rb_tree* tree) {
	if(!is_leaf(n->left, tree))
		return n->left;
	while(n->parent && n->parent->right != n)
		n = n->parent;
	return n->parent;
}