#include <iostream>
#include <fstream>
#include <stdlib.h>
+#include <string.h>
using namespace std;
scalar_t noisy_score(scalar_t true_score, scalar_t erroneous_score,
scalar_t score_noise, scalar_t flip_noise) {
if(drand48() < flip_noise) {
- return erroneous_score + score_noise * (2.0 * drand48() - 1.0);
+ return erroneous_score + score_noise * (2.0f * scalar_t(drand48()) - 1.0f);
} else {
- return true_score + score_noise * (2.0 * drand48() - 1.0);
+ return true_score + score_noise * (2.0f * scalar_t(drand48()) - 1.0f);
}
}
-int main(int argc, char **argv) {
+void create_light_test(MTPTracker *tracker) {
int nb_locations = 7;
int nb_time_steps = 8;
int motion_amplitude = 1;
- MTPTracker *tracker = new MTPTracker();
-
tracker->allocate(nb_time_steps, nb_locations);
// We define the spatial structure by stating what are the possible
// Then, we specify for every location and time step what is the
// detection score there.
- scalar_t flip_noise = 0.05;
- scalar_t score_noise = 0.0;
+ scalar_t flip_noise = 0.05f;
+ scalar_t score_noise = 0.0f;
// We first put a background noise, with negative scores at every
// location.
tracker->detection_scores[t][la] = sa;
tracker->detection_scores[t][lb] = sb;
}
+}
+
+void create_heavy_test(MTPTracker *tracker) {
+ int nb_locations = 100;
+ int nb_time_steps = 1000;
+
+ tracker->allocate(nb_time_steps, nb_locations);
+
+ for(int l = 0; l < nb_locations; l++) {
+ for(int m = 0; m < nb_locations; m++) {
+ tracker->allowed_motions[l][m] = (drand48() < 0.1);
+ }
+ }
+
+ for(int t = 0; t < nb_time_steps; t++) {
+ for(int l = 0; l < nb_locations; l++) {
+ tracker->entrances[t][l] = drand48() < 0.01;
+ tracker->exits[t][l] = drand48() < 0.01;
+ }
+ }
+
+ tracker->build_graph();
+
+ for(int t = 0; t < nb_time_steps; t++) {
+ for(int l = 0; l < nb_locations; l++) {
+ tracker->detection_scores[t][l] = scalar_t(drand48()) - 0.95f;
+ }
+ }
+}
+
+int main(int argc, char **argv) {
+ int stress_test;
+
+ if(argc == 1) {
+ stress_test = 0;
+ } else if(argc == 2 && strcmp(argv[1], "stress") == 0) {
+ stress_test = 1;
+ } else {
+ cerr << "mtp_examples [stress]" << endl;
+ exit(EXIT_FAILURE);
+ }
+
+ MTPTracker *tracker = new MTPTracker();
+
+ if(stress_test) {
+ create_heavy_test(tracker);
+ } else {
+ create_light_test(tracker);
+ }
- { // Write down the tracker setting, so that we can use it as an
+ {
+ // Write down the tracker setting, so that we can use it as an
// example for the mtp command line
ofstream out_tracker("tracker.dat");
tracker->write(&out_tracker);
<< " starting at " << tracker->trajectory_entrance_time(t)
<< ", duration " << tracker->trajectory_duration(t)
<< ", score " << tracker->trajectory_score(t)
- << ", through nodes ";
+ << ", through locations";
for(int u = 0; u < tracker->trajectory_duration(t); u++) {
cout << " " << tracker->trajectory_location(t, u);
}