//Write tree using TestPersist
#include "TestPersist.h"
#include "TTree.h"
#include "TFile.h"
#include "Riostream.h"

void write_tree(){

	TFile *f = new TFile("test_persist.root", "RECREATE");
	TTree *t1 = new TTree("t1", "Tree with TestPersist objects");
	TestPersist *tp = new TestPersist;
	t1->Branch("b__tp","TestPersist",&tp, 16000, 0);
	cout << "Beginning..." << endl;
	for(int i=0;i<100;i++){
		tp->SetA(i);
		t1->Fill();
	}
	cout << "Done" << endl;
	t1->Print();
	t1->Write();
	f->Close();
}