コード例 #1
0
ファイル: completeTrees.c プロジェクト: calebsander/compsci
int main() {
	CompleteTree testTree = {NULL, 12};
	/*
	        0
	   1         2
	 3   4     5    6
	7 8 9 10 11
	*/
	CompleteTree *tree = &testTree;
	for (unsigned int i = 0; i < 12; i++) {
		if (i < 6) assert(!isLeaf(tree, i));
		else assert(isLeaf(tree, i));
	}
	assert(getLeftChild(tree, 0) == 1);
	assert(getLeftChild(tree, 2) == 5);
	assert(getLeftChild(tree, 4) == 9);
	assert(getLeftChild(tree, 5) == 11);
	for (unsigned int i = 4; i < 7; i++) assert(getLeftSibling(tree, i) == (i - 1));
	for (unsigned int i = 3; i < 6; i++) assert(getRightSibling(tree, i) == (i + 1));
	for (unsigned int i = 1; i < 3; i++) assert(getParent(tree, i) == 0);
	for (unsigned int i = 3; i < 5; i++) assert(getParent(tree, i) == 1);
	for (unsigned int i = 5; i < 7; i++) assert(getParent(tree, i) == 2);
	for (unsigned int i = 7; i < 9; i++) assert(getParent(tree, i) == 3);
	for (unsigned int i = 9; i < 11; i++) assert(getParent(tree, i) == 4);
	assert(getParent(tree, 11) == 5);
	assert(!getDepth(tree, 0));
	for (unsigned int i = 1; i < 3; i++) assert(getDepth(tree, i) == 1);
	for (unsigned int i = 3; i < 7; i++) assert(getDepth(tree, i) == 2);
	for (unsigned int i = 7; i < testTree.length; i++) assert(getDepth(tree, i) == 3);
	assert(getHeight(tree, 0) == 4);
	for (unsigned int i = 1; i < 3; i++) assert(getHeight(tree, i) == 3);
	for (unsigned int i = 3; i < 6; i++) assert(getHeight(tree, i) == 2);
	for (unsigned int i = 6; i < testTree.length; i++) assert(getHeight(tree, i) == 1);
}
コード例 #2
0
ファイル: UpperBVH.cpp プロジェクト: ricortiz/MCCD
void
UpperNode::self_collide()
{
	if (isLeaf()) {
		s_trees[getID()]->self_collide();
		return;
	}

	getLeftChild()->self_collide();

	if (getRightChild()) {
		getRightChild()->self_collide();
		getLeftChild()->collide(getRightChild());
	}
}
コード例 #3
0
ファイル: Memory.cpp プロジェクト: findorlolz/PhotonMaping
bool MaxHeap::isLeaf(size_t i)
{
	if (getLeftChild(i) > m_nextIndex)
		return true;
	else
		return false;
}
コード例 #4
0
ファイル: UpperBVH.cpp プロジェクト: ricortiz/MCCD
void
UpperNode::visulization(int level)
{
	if (isLeaf())
		_box.visulization();
	else
		if ((level > 0)) {
			if (level == 1)
				_box.visulization();
			else
			if (getLeftChild())
				getLeftChild()->visulization(level-1);
			if (getRightChild())
				getRightChild()->visulization(level-1);
		}
}
コード例 #5
0
ファイル: UpperBVH-flat.cpp プロジェクト: ricortiz/MCCD
void
UpperNode::Construct(unsigned int *lst, unsigned int lst_num)
{
	if (lst_num == 1){
		_child = lst[0];
		_box = s_trees[getID()]->box();
		return;
	}

	_box.empty();
	//try to split them
	for (unsigned int t=0; t<lst_num; t++) {
		int i=lst[t];
		_box += s_trees[i]->box();
	}

	if (lst_num == 2) {// must split it!
		getLeftChild()->Construct(lst[0]);
		getRightChild()->Construct(lst[1]);
		return;
	}

	aap pln(_box);
	unsigned int left_idx=0, right_idx=lst_num-1;
	
	for (unsigned int t=0; t<lst_num; t++) {
		int i=lst[left_idx];
		if (pln.inside(s_trees[i]->box().center()))
			left_idx++;
		else {// swap it
			unsigned int tmp = i;
			lst[left_idx] = lst[right_idx];
			lst[right_idx--] = tmp;
		}
	}

	int hal = lst_num/2;
	if (left_idx == 0 || left_idx == lst_num)
	{
		getLeftChild()->Construct(lst, hal);
		getRightChild()->Construct(lst+hal, lst_num-hal);
	}
	else {
		getLeftChild()->Construct(lst, left_idx);
		getRightChild()->Construct(lst+left_idx, lst_num-left_idx);
	}
}
コード例 #6
0
ファイル: Memory.cpp プロジェクト: findorlolz/PhotonMaping
void MaxHeap::balanceEntireTreeRec(size_t i)
{
	if (isLeaf(i))
		return;
	balanceEntireTreeRec(getLeftChild(i));
	balanceEntireTreeRec(getRightChild(i));
	balanceTreeRec(i);
}
コード例 #7
0
ファイル: UpperBVH.cpp プロジェクト: ricortiz/MCCD
void
UpperNode::refit()
{
	if (isLeaf()) {
		_box = s_trees[getID()]->box();
	} else {
		getLeftChild()->refit();

		if (getRightChild())
		getRightChild()->refit();

		if (getRightChild())
			_box = getLeftChild()->_box + getRightChild()->_box;
		else
			_box = getLeftChild()->_box;
	}
}
コード例 #8
0
ファイル: DeformBVH-flat.cpp プロジェクト: desaic/MeshPlane
void
DeformBVHNode::Construct(unsigned int *lst, unsigned int lst_num)
{
	_count = lst_num;
	for (unsigned int t=0; t<lst_num; t++)
		_box += s_mdl->_tri_boxes[lst[t]];

	if (lst_num == 1) {
		_child = ID(lst[0]);
		_box = s_mdl->_tri_boxes[lst[0]];
	} else { // try to split
		_child = this-s_current_node;
		s_current_node += 2;

		if (lst_num == 2) {// must split
			getLeftChild()->Construct(ID(lst[0]));
			getRightChild()->Construct(ID(lst[1]));
		} else {
			aap pln(_box);
			unsigned int left_idx = 0, right_idx = lst_num-1;
			for (unsigned int t=0; t<lst_num; t++) {
				int i=lst[left_idx];
				if (pln.inside(s_mdl->_tri_centers[i]))
					left_idx++;
				else {// swap it
					unsigned int tmp = i;
					lst[left_idx] = lst[right_idx];
					lst[right_idx--] = tmp;
				}
			}

			int half = lst_num/2;

			if (left_idx == 0 || left_idx == lst_num) {
				getLeftChild()->Construct(lst, half);
				getRightChild()->Construct(lst+half, lst_num-half);
			} else {
				getLeftChild()->Construct(lst, left_idx);
				getRightChild()->Construct(lst+left_idx, lst_num-left_idx);
			}
		}
	}
}
コード例 #9
0
ファイル: test.c プロジェクト: cschubiner/CS166_Homework
void test2() {
    struct node rootStruct;
    struct node * root = &rootStruct;
    setNodeRed(root);
    struct node lStruct;
    struct node lStruct2;
    struct node lStruct3;
    root->left = &lStruct;
    root->right = &lStruct2;
    setNodeRed(root->left);
    getLeftChild(root)->left = &lStruct3;
    setNodeRed(root->right);
    assert(!is_red_black_tree(root));
}
コード例 #10
0
bool SynopsisMD2::isLogicalLeaf(int lvl,int idx,int & left_child,bool assign)
{
	if(isLeaf(lvl,idx) /*|| isLastLevel(lvl)*/)
		return false;

	if(assign)
		left_child = getLeftChild(lvl,idx);
	//otherwise use the already calculated value
	int right_child = left_child + 1;
#ifdef SYNDEBUG
	assert(shape.size() > lvl+1); // we are not at the last level
	assert(shape[lvl+1].size() > right_child); // the vector of the children is ok
#endif
	return (isLeaf(lvl+1,left_child) && isLeaf(lvl+1,right_child));

}
コード例 #11
0
ファイル: heapSort.c プロジェクト: jwchong93/HeapSort
void heap (int arrayList[],int size,int currentLocation)
{
	int temp;
	int parentIndex,leftChildIndex,rightChildIndex;
	parentIndex = getParent(currentLocation);
	leftChildIndex = getLeftChild(currentLocation);
	rightChildIndex = getRightChild(currentLocation);
	if(currentLocation<size)
	{
		if(arrayList[currentLocation]<arrayList[rightChildIndex]&&rightChildIndex<size)
		{
			temp=arrayList[currentLocation];
			arrayList[currentLocation]=arrayList[rightChildIndex];
			arrayList[rightChildIndex]=temp;
		}
			heap(arrayList,size,rightChildIndex);
		if(arrayList[currentLocation]<arrayList[leftChildIndex]&&leftChildIndex<size)
		{ 
			temp=arrayList[currentLocation];
			arrayList[currentLocation]=arrayList[leftChildIndex];
			arrayList[leftChildIndex]=temp;
		}


			heap(arrayList,size,leftChildIndex);
		
		if(currentLocation!=0)
		{
			if(arrayList[currentLocation]>arrayList[parentIndex]&&parentIndex<size)
			{
				temp=arrayList[currentLocation];
				arrayList[currentLocation]=arrayList[parentIndex];
				arrayList[parentIndex]=temp;
			}
		}
		
		
		
	}
	


}
コード例 #12
0
ファイル: Memory.cpp プロジェクト: findorlolz/PhotonMaping
void MaxHeap::balanceTreeRec(size_t i)
{
	size_t l = getLeftChild(i);
	size_t r = getRightChild(i);
	size_t greatest;

	if (l < m_nextIndex && (*m_array)[l].key > (*m_array)[i].key)
		greatest = l;
	else
		greatest = i;

	if (r < m_nextIndex && (*m_array)[r].key > (*m_array)[greatest].key)
		greatest = r;

	if (greatest != i)
	{
		swapNode(i, greatest);
		balanceTreeRec(greatest);
	}
}
コード例 #13
0
ファイル: UpperBVH.cpp プロジェクト: ricortiz/MCCD
void
UpperNode::collide(UpperNode *other)
{
	s_mdl->_counts[0]._num_box_tests++;
	if (!_box.overlaps(other->_box))
		return;

	if (isLeaf() && other->isLeaf()) {
		s_trees[getID()]->collide(s_trees[other->getID()]);
		return;
	}

	if (isLeaf()) {
		collide(other->getLeftChild());
		collide(other->getRightChild());
	} else {
		getLeftChild()->collide(other);
		getRightChild()->collide(other);
	}
}
コード例 #14
0
void DecisionTree::Node::printTree() const {
  // cerr << "[";
  if(isLeaf()) {
  //   cerr << "LEAF: "<< m_probability<<" ";
     if(m_probability>0 && m_probability<1) 
       cerr << m_probability << " ";
  } else {
  //  cerr << m_tree->getFeatureName(m_feature_index);
  }
  if(!isLeaf()) {
  //  cerr << "-> L: ";
    getLeftChild()->printTree();
  //  cerr << " ";
  }
  if(!isLeaf()) {
  //  cerr << "-> R: ";
    getRightChild()->printTree();
  //  cerr << " ";
  }
  // cerr << "]";
}
コード例 #15
0
ファイル: test.c プロジェクト: cschubiner/CS166_Homework
void printTree(struct node * n) {
    if (n == NULL) return;
    printTree(getLeftChild(n));
    printf("%d(%s) ", n->key, isNodeRed(n) ? "red" : "black");
    printTree(n->right);
}
コード例 #16
0
bool SynopsisMD2::evict_victims(int lvl, int idx,int plvl, int pidx,bool * visited_prev,int target_size)
{


	bool done;

	if(isLeaf(lvl,idx))
	{

		if(lvl == plvl && idx == pidx)
			*visited_prev = true;
		return false;
	}

	//int left_child =  levels->at(lvl).prefix + getLeftChild(lvl,levels->at(lvl).idx,idx);

	int left_child = getLeftChild(lvl,idx);

	/*
	levels->at(lvl).prefix = left_child;
	levels->at(lvl).idx = idx;*/

	if(*visited_prev && isLogicalLeaf(lvl,idx,left_child,false)) /* if candidate for truncating */
	{
		bool left,right;
		int leaf_idx;
		left = getLeaf(lvl+1,left_child,leaf_idx,true);
		right = getLeafValue(lvl+1, leaf_idx + 1);
				//getLeaf(lvl+1, left_child + 1,leaf_idx+1);

		return evict_lleaf(lvl,idx,left_child,leaf_idx,left,right,target_size);
	}
	 /* else, truncate the descendants (bottom-up) and check again ^^ */
	{

		if(!(*visited_prev) && lvl == plvl && idx == pidx)
		{
			*visited_prev = true;

		}



	   /* look left */

		{
			//cout<<"looking for victims at left child "<<lvl+1<<","<<left_child<<endl;
			done = evict_victims(lvl+1,left_child,plvl,pidx,visited_prev,target_size);
			if(done)
				return done;
		}

       /* look right */

		int right_child = left_child + 1;

		{
			//cout<<"looking for victims at right child "<<lvl+1<<","<<right_child<<endl;
			done = evict_victims(lvl+1,right_child,plvl,pidx,visited_prev,target_size);
			if(done)
				return done;
		}

	}

	return false;
}