gnunet/src/cadet/desirability_table.c

/* This file is in the public domain. */

/**
 * @brief Program to simulate results from #GCP_get_desirability_of_path()
 * for various plausible inputs.
 * @author Christian Grothoff
 */
#include <stdio.h>

int
main()
{
  for (unsigned int num_alts = 1; num_alts < 10; num_alts++)
    for (unsigned int off = 0; off < 10; off++)
      for (double delta = -(int)off; delta <= 5; delta += 0.25)
        {
          double weight_alts;

          if (delta <= -1.0)
            weight_alts = -1.0 * num_alts / delta; /* discount alternative paths */
          else if (delta >= 1.0)
            weight_alts = 1.0 * num_alts * delta; /* overcount alternative paths */
          else
            weight_alts = 1.0 * num_alts; /* count alternative paths normally */

          fprintf(stderr,
                  "Paths: %u  Offset: %u  Delta: %5.2f  SCORE: %f\n",
                  num_alts,
                  off,
                  delta,
                  ((off + 1.0) / (weight_alts * weight_alts)));
        }
}