Changeset 931 for trunk/yat/classifier/KNN.h

Timestamp:

Oct 5, 2007, 5:42:25 PM (15 years ago)

Author:

Markus Ringnér

Message:

Working on ticket:259. Removed old Distance see ticket:250

File:

• trunk/yat/classifier/KNN.h (modified) (1 diff)

trunk/yat/classifier/KNN.h

@@ -168 +168 @@
   {     
     KNN* knn=0;
-    if(data.weighted()) {
-      knn=new KNN<Distance>(dynamic_cast<const MatrixLookupWeighted&>(data),
-                            target);
-    }
-    knn->k(this->k());
+    try {
+      if(data.weighted()) {
+        knn=new KNN<Distance>(dynamic_cast<const MatrixLookupWeighted&>(data),
+                              target);
+      }  
+      knn->k(this->k());
+    }
+    catch (std::bad_cast) {
+      std::string str = "Error in KNN<Distance>::make_classifier: DataLookup2D of unexpected class.";
+      throw std::runtime_error(str);
+    }
     return knn;
   }