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/*
 * This file is part of MAMMULT: Metrics And Models for Multilayer Networks
 *  
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "utils.h"


int main(int argc, char *argv[]){

	if (argc < 6){
    	printf("Usage: %s <layer1> <layer2> <overlapping network> <N nodes> <b_p> <b_o>\n", argv[0]);
    	exit(1);
  	}

	
	FILE *filein0,*filein1,*filein2,*filein3,*filein4,*filein5,*filein6,*filein7,*filein8,*filein9, *filein, *fileout;
 	unsigned int N0, K0,N1, K1,N2, K2,N3, K3,N4, K4,N5, K5,N6, K6,N7, K7,N8, K8,N9, K9, N, K;
 	unsigned int *J_slap0, *r_slap0, *J_slap1, *r_slap1,*J_slap2, *r_slap2, *J_slap3, *r_slap3,*J_slap4, *r_slap4, *J_slap5, *r_slap5,*J_slap6, *r_slap6, *J_slap7, *r_slap7,*J_slap8, *r_slap8, *J_slap9, *r_slap9, *J_slap, *r_slap;
	double *w_slap;
	
	
	int i, j;
	double c_i, d_i, f_i, f_i_2;
	double alpha = (atof(argv[5])); 
	double beta = (atof(argv[6]));
	
	int ov;
	int deg0, deg1,deg2, deg3,deg4, deg5,deg6, deg7,deg8, deg9;
	double degM, part, f_j, f_j_2;
	double degMrid, maxdegM = 200.0;
	double num1, num2, den, h;
	int number_nodes=(atoi(argv[4]));
	double M=2.0;
	
	filein0 = openfile_or_exit(argv[1], "r", 2);
  	read_slap(filein0, &K0, &N0, &J_slap0, &r_slap0);

	filein1 = openfile_or_exit(argv[2], "r", 2);
  	read_slap(filein1, &K1, &N1, &J_slap1, &r_slap1);

	filein = openfile_or_exit(argv[3], "r", 2);
  	read_slap_w(filein, &K, &N, &J_slap, &r_slap,&w_slap);

	int r_slap0_n[N+1],r_slap1_n[N+1],r_slap2_n[N+1],r_slap3_n[N+1],r_slap4_n[N+1],r_slap5_n[N+1],r_slap6_n[N+1],r_slap7_n[N+1],r_slap8_n[N+1],r_slap9_n[N+1];
	for (i=0; i<=N; i++) {
		if (i<=N0) {
			r_slap0_n[i]=r_slap0[i];
			}
		else {
			r_slap0_n[i]=r_slap0[N0];
			}
		if (i<=N1) {
			r_slap1_n[i]=r_slap1[i];
			}
		else {
			r_slap1_n[i]=r_slap1[N1];
			}
		
		
		}



	double c_i_vec[N];
	double d_i_vec[N];
	double f_i_vec[N];
	

	for (i=0; i<N; i++) {
		c_i=0;
		d_i=0;
		
		for (j=r_slap[i]; j<r_slap[i+1]; j++) {
			ov = w_slap[j];
			
			deg0=r_slap0_n[J_slap[j]+1]-r_slap0_n[J_slap[j]];
			deg1=r_slap1_n[J_slap[j]+1]-r_slap1_n[J_slap[j]];
			
			
			
			
			
			
			degM=(deg0+deg1)*1.0;
			
			part = (M/(M-1))*  (1-(pow((deg0/degM),2))-(pow((deg1/degM),2)) );
			if (part>0.0000000001) {
				f_j = pow (part, alpha);
				}
			else {
				f_j = 0;
				} 
			f_j_2 = pow (degM, beta); 
			c_i+=ov*f_j*f_j_2;
			if (part>0.0000000001) {
				d_i+=ov*f_j*f_j_2*log((ov*f_j*f_j_2));
				}
			

			
			}
		c_i_vec[i]=c_i;
		d_i_vec[i]=d_i;

		deg0=r_slap0_n[i+1]-r_slap0_n[i];
		deg1=r_slap1_n[i+1]-r_slap1_n[i];
		
		
		
		
		
		
		
	
			
		degM=(deg0+deg1)*1.0;
			
		part = (M/(M-1))*  (1-(pow((deg0/degM),2))-(pow((deg1/degM),2)));

		
		
		if (part>0.0000000001) {
			f_i = pow (part, alpha);
			}
		else {
			f_i = 0;
			}
		f_i_2 = pow (degM, beta);
		
		f_i_vec[i]=f_i*f_i_2;
	
		}
	num1=0;
	num2=0;
	den=0;
	for (i=0; i<N; i++) {
		if (c_i_vec[i]>0.0) {
		
			num1+=f_i_vec[i]*c_i_vec[i]*log(c_i_vec[i]);
			}

		
		num2=num2+f_i_vec[i]*d_i_vec[i];
		den=den+f_i_vec[i]*c_i_vec[i];
		
	
		}
	
	h=(num1-num2)/den*1.0;
	printf("%f %f %f\n", h, alpha, beta);
	
}