X-Git-Url: https://www.fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=pysvrt.git;a=blobdiff_plain;f=svrt_generator.cc;h=a536005efa391bbc1e14a233852335e73a6c440e;hp=90f781d39910722ffd681a7965536512e029b5e0;hb=dfca7e16051d1752db7daed892ecb200237e3bb6;hpb=26dffa334607dc6f57139d19eb0b793cb3ac8484

diff --git a/svrt_generator.cc b/svrt_generator.cc
index 90f781d..a536005 100644
--- a/svrt_generator.cc
+++ b/svrt_generator.cc
@@ -157,6 +157,11 @@ 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;
@@ -166,7 +171,13 @@ void svrt_generate_vignettes(int n_problem, int nb_vignettes, long *labels,
 
   unsigned char *s = result->data;
   for(int i = 0; i < nb_vignettes; i++) {
-    vg->generate(labels[i], &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 %d.\n", labels[i]);
+      exit(1);
+    }
+
     int *r = tmp.content;
     for(int k = 0; k < Vignette::width * Vignette::height; k++) {
       *s++ = *r++;