./ripser examples/random16.lower_distance_matrix

distance matrix with 15 points
value range: [1,120]
persistence intervals in dim 0:
 [0,1)
 [0,2)
 [0,4)
 [0,5)
 [0,6)
 [0,7)
 [0,8)
 [0,9)
 [0,10)
 [0,11)
 [0,12)
 [0,14)
 [0,15)
 [0,35)
 [0, )
persistence intervals in dim 1:
 [54,56)
 [43,45)
 [37,51)
 [27,56)
 [22,52)
 [21,52)
 [20,59)
 [19,62)
 [18,62)
 [17,60)
 [16,33)

l. 639   std::cout << " [" << diameter << ", )" << std::endl << std::flush;
l. 651   std::cout << " [" << diameter << "," << death << ")" << std::endl << std::flush;
l. 929   if (get_diameter(e) > 0) std::cout << " [0," << get_diameter(e) << ")" << std::endl;
l. 939   if (dset.find(i) == i) std::cout << " [0, )" << std::endl << std::flush;

#ifdef PRINT_PERSISTENCE_PAIRS
        for (index_t i = 0; i < n; ++i)
            if (dset.find(i) == i) std::cout << " [0, )" << std::endl << std::flush;
#endif

//! [write to file]
FILE * fp;
fp = fopen ("./output", "a+");
fprintf(fp, "0 0 -1n");
fclose(fp);

#ifdef PRINT_PERSISTENCE_PAIRS
        for (index_t i = 0; i < n; ++i)
            if (dset.find(i) == i)
                std::cout << " [0, )" << std::endl << std::flush;
                //! [write to file]
                FILE * fp;
                fp = fopen ("./output", "a+");
                fprintf(fp, "0 0 -1n");  // works only for i=0
                fclose(fp);
#endif

0 0 1.013644
0 0 2.838865
0 0 3.131685
0 0 4.077876
0 0 4.725016
0 0 4.818406
0 0 4.924389
0 0 -1