EukPhylo/PTL2/Scripts-GRID/guidance.v2.02/libs/phylogeny/tests/checkTreeLikelihoodGivenBranches.cpp
Katzlab dd76ab1d12 Added PTL2 Scripts
These are PTL2 files from Auden 2/9
2023-02-14 11:20:52 -05:00

52 lines
1.6 KiB
C++

#include <fstream>
#include <iostream>
#include <string>
using namespace std;
#include "nucJC.h"
#include "sequence.h"
#include "distribution.h"
#include "stochasticProcess.h"
#include "uniDistribution.h"
#include "trivialAccelerator.h"
#include "sequenceContainer.h"
#include "nucleotide.h"
#include "phylipFormat.h"
#include "likelihoodComputation.h"
// NOTE: YOU MUST CHANGE THE NAME OF THE string seqFile TO MATCH YOUR OWN LOCATION OF THE SEQUENCE FILE NAME!
int main(int argc,char*argv[]) {
cout<<"This program computes for the JC model, the likelihood of a given tree (when the branch lengths are given)."<<endl;
string seqFile = "nuc7.phylip.txt";
distribution *dist = new uniDistribution;
replacementModel *probMod=new nucJC;
pijAccelerator * pijAcc = new trivialAccelerator(probMod);
stochasticProcess sp(dist, pijAcc);
ifstream in(seqFile.c_str());
if (!in) {errorMsg::reportError("unable to open input sequence file");}
nucleotide myAlph;
sequenceContainer original = phylipFormat::read(in,&myAlph);
// const MDOUBLE myToll = 0.0001;
const string treeFileName = "sevenTaxaTree.txt";
tree myT(treeFileName);
cout<<"computing the log likelihood of the tree..."<<endl;
MDOUBLE resL = likelihoodComputation::getTreeLikelihoodAllPosAlphTheSame(myT,original,sp);
//tree njTree = nj1.computeNJtree(disTab,vNames);
//ofstream out("njTreeRes.txt");
//njTree.output(out);
//MDOUBLE resL = 0;
//MDOUBLE resD = likeDist1.giveDistance(s1,s2,NULL,&resL);
cout<<" the likelihood of the tree is:"<<resL<<endl;
//cout<<" the ML distance between these 2 sequences is:"<<resD<<endl;
delete dist;
delete probMod;
return 0;
}