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/*
* cTree.cpp
*
* Created on: Jan 30, 2017
* Author: jonas
*/
#include "cTree.h"
cTree::cTree()
{
root = new cEndnode();
}//Constructor
cTree::~cTree()
{
delete root;
}//Destructor
void cTree::insert(cData* _data)
{
root->insert(_data, &root);
}//insert
void cTree::insert(string _data)
{
cData* tmp = new cData(_data);
insert(tmp);
}//insert
void cTree::remove(cData* _data)
{
sSubTree subTree;
root->remove(_data, &subTree, &root);
root->insert(subTree.nextSmaller->getFirstNode(&root), &root); //Insert new root
//Insert remaining subtree
root->insert(subTree.nextSmaller, &root);
root->insert(subTree.nextBigger, &root);
}//remove
void cTree::getList(list<cData>* _list)
{
root->getSortet(_list);
}//getList
void cTree::draw()
{
root->draw(0);
}//draw
cData* cTree::search(string _search)
{
return root->search(_search);
}//search
void cTree::clear()
{
delete root;
root = new cEndnode();
}//clear
void cTree::insertList(list<cData>* _list)
{
unsigned int oldSize = _list->size(); //used bc size of list changes during for-loop
list<cData> tmpList;
if (oldSize <= 0) //Nothing to do if list is empty
return;
for (unsigned int i = 0; i < oldSize / 2; i++) //copy first half of list into tmpList, deleting in _list
{
tmpList.push_back(_list->front());
_list->pop_front();
}
insert(_list->front().clone()); //middle element of _list is inserted as new root of subtree
_list->pop_front();
insertList(&tmpList); //Insert first half(smaller value) of list below new root
tmpList.clear();
if(_list->size() <= 0) //Nothing to do if list is empty
return;
insertList(_list); //Insert second half(bigger value) of list below new root
}//insertList
void cTree::sort()
{
list<cData> sortetList;
root->getSortet(&sortetList); //get inorder
clear(); //clear tree
insertList(&sortetList); //re insert inorderlist
}//sort
unsigned int cTree::size()
{
return root->getSubtreeSize();
}//size
unsigned int cTree::depth()
{
return root->getDepth(0);
}//depth
unsigned int cTree::gradeOfUnbalance()
{
if(root->getSubtreeSize() == 0)
return 0;
double minDepth = log2(size());
unsigned int iDepth = depth();
return (iDepth / minDepth) - 1; //-1 so 100% = 0
}//gradeOfUnbalance
cData *cTree::operator [](unsigned int _i)
{
unsigned int a = 0;
return root->getById(_i, a);
}
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