ext/libsvm/libsvm.c in rb-libsvm-1.1.5 vs ext/libsvm/libsvm.c in rb-libsvm-1.2.0

@@ -409,10 +409,17 @@
   const struct svm_model *model;
   Data_Get_Struct(obj, struct svm_model, model);
   return INT2NUM(svm_get_nr_class(model));
 }
 
+static VALUE cModel_support_vectors(VALUE obj)
+{
+  const struct svm_model *model;
+  Data_Get_Struct(obj, struct svm_model, model);
+  return INT2NUM(svm_get_nr_sv(model));
+}
+
 static VALUE cModel_class_load(VALUE cls, VALUE filename)
 {
   struct svm_model *model;
   char *path;
   path = StringValueCStr(filename);
@@ -491,9 +498,10 @@
   rb_define_singleton_method(cModel, "cross_validation", cModel_class_cross_validation, 3);
   rb_define_singleton_method(cModel, "load", cModel_class_load, 1);
   rb_define_method(cModel, "save", cModel_save, 1);
   rb_define_method(cModel, "svm_type", cModel_svm_type, 0);
   rb_define_method(cModel, "classes", cModel_classes, 0);
+  rb_define_method(cModel, "support_vectors", cModel_support_vectors, 0);
   rb_define_method(cModel, "predict", cModel_predict, 1);
   rb_define_method(cModel, "predict_probability", cModel_predict_probability, 1);
 
   mKernelType = rb_define_module_under(mLibsvm, "KernelType");
   rb_define_const(mKernelType, "LINEAR", INT2NUM(LINEAR));