64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
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#include <vector>
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#include <iostream>
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#include "PTree.h"
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#include "Sequence.h"
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using namespace std;
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PTree::PTree(const vector<Sequence *> & leaves)
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{
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int num_leaves = leaves.size();
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if (num_leaves & (num_leaves - 1))
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{
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cerr << "Ptree::Ptree(): Number of initializing leaves is not a power of 2!!" << endl;
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}
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else
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{
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vector<Sequence> * my_leaves = new vector<Sequence>(num_leaves);
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for (int i = 0; i < num_leaves; i++)
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{
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(*my_leaves)[i] = *leaves[i];
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}
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myLevels.push_back(my_leaves);
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for (int level_index = 1, level_size = num_leaves / 2;
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level_size;
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level_index++, level_size /= 2)
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{
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vector<Sequence> * level = new vector<Sequence>(level_size);
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for (int i = 0; i < level_size; i++)
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{
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(*level)[i] =
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(*myLevels[level_index-1])[2*i].parent(
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(*myLevels[level_index-1])[2*i+1]
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);
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}
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}
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}
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}
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PTree::~PTree()
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{
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for (int i = 0, sz = myLevels.size(); i < sz; i++)
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{
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delete myLevels[i];
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}
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}
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void PTree::print(ostream & out, int level, int index,
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string prefix, string subprefix) const
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{
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out << prefix;
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out << myLevels[level][0][index];
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if (level > 0)
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{
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print(out, level - 1, index * 2, subprefix + "+-", subprefix + "| ");
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print(out, level - 1, index * 2 + 1, subprefix + "`-", subprefix + " ");
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}
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}
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ostream & operator<<(ostream & out, const PTree & p)
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{
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p.print(out, p.myLevels.size() - 1, 0, "", "");
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return out;
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}
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