Minor update.

[pysvrt.git] / svrt_generator.cc

diff --git a/svrt_generator.cc b/svrt_generator.cc
index 80cfd12..33b98ee 100644 (file)
--- a/svrt_generator.cc
+++ b/svrt_generator.cc
@@ -18,7 +18,7 @@
  *  General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
- *  along with selector.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with svrt.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 
@@ -153,9 +153,15 @@ struct VignetteSet {
   unsigned char *data;
 };
 
-void svrt_generate_vignettes(int n_problem, int nb_vignettes, VignetteSet *result) {
+void svrt_generate_vignettes(int n_problem, int nb_vignettes, long *labels,
+                             VignetteSet *result) {
   Vignette tmp;
 
+  if(n_problem < 1 || n_problem > NB_PROBLEMS) {
+    printf("Problem number should be between 1 and %d. Provided value is %d.\n", NB_PROBLEMS, n_problem);
+    exit(1);
+  }
+
   VignetteGenerator *vg = new_generator(n_problem);
   result->n_problem = n_problem;
   result->nb_vignettes = nb_vignettes;
@@ -165,7 +171,13 @@ void svrt_generate_vignettes(int n_problem, int nb_vignettes, VignetteSet *resul
 
   unsigned char *s = result->data;
   for(int i = 0; i < nb_vignettes; i++) {
-    vg->generate(drand48() < 0.5 ? 1 : 0, &tmp);
+    if(labels[i] == 0 || labels[i] == 1) {
+      vg->generate(labels[i], &tmp);
+    } else {
+      printf("Vignette class label has to be 0 or 1. Provided value is %ld.\n", labels[i]);
+      exit(1);
+    }
+
     int *r = tmp.content;
     for(int k = 0; k < Vignette::width * Vignette::height; k++) {
       *s++ = *r++;