read.c

void read() {
	//Double_t N[5]; // массив для чисел ()
	//ifstream myfile;

	Double_t A[1000];
	Double_t T[1000];
	Int_t i,j,n;

	TFile *f1 = new TFile("exp2.root","RECREATE");
	TTree *tree = new TTree("tree","signal");
	tree->Branch("A",A,"A[1000]/D");
	tree->Branch("T",T,"T[1000]/D");	
							//std::vector<Double_t> *A = new std::vector<Double_t>();
							//tree->Branch("mybranch","vector<Double_t>",A);

	ifstream myfile1;
	myfile1.open("ch12016.12.07-02.11.54.dat");
	for(i = 0; i<100000; i++){	
		n=i/1000;			// if ((i==1002)||(i==900)||(i==2002)||(i==8002)) {cout<<i<<" "<<n<<endl;}
		myfile1 >> A[i-1000*n];	
		T[i-1000*n]=5e-013+ (i-1000*n)*1e-010;	

		if(i-1000*n ==999) {
		tree->Fill();

			for(j=0;j<1000;j++){
				T[j]=0;A[j]=0;
			}
  	  	}	
	}
	myfile1.close();
	
	ifstream myfile2;
	myfile2.open("ch12016.12.07-08.48.05.dat");
	for(i = 0; i<100000; i++){	
		n=i/1000;			// if ((i==1002)||(i==900)||(i==2002)||(i==8002)) {cout<<i<<" "<<n<<endl;}
		myfile2 >> A[i-1000*n];	
		T[i-1000*n]=5e-013+ (i-1000*n)*1e-010;	
	
		if(i-1000*n ==999){
			tree->Fill();

			for(j=0;j<1000;j++){
				T[j]=0;A[j]=0;
			}
  		}	
	}
	myfile2.close();

	ifstream myfile3;
	myfile3.open("ch12016.12.07-10.03.01.dat");
	for(i = 0; i<29000; i++){	
		n=i/1000;// if ((i==1002)||(i==900)||(i==2002)||(i==8002)) {cout<<i<<" "<<n<<endl;}
		myfile3 >> A[i-1000*n];	
		T[i-1000*n]=5e-013+ (i-1000*n)*1e-010;	
	
		if(i-1000*n ==999) {
			tree->Fill();

			for(j=0;j<1000;j++){
				T[j]=0;A[j]=0;
			}
   		}	
	}
	myfile3.close();

	tree->Write();
	f1->Close();
}