lib/dnn/core/param.rb in ruby-dnn-0.16.2 vs lib/dnn/core/param.rb in ruby-dnn-1.0.0

@@ -16,11 +16,11 @@
         if @data.shape == grad.shape
           @grad += grad
         elsif @data.shape == grad.shape[1..-1]
           @grad += grad.sum(0)
         else
-          raise DNN_Error, "Shape is missmatch."
+          raise DNNError, "Shape is missmatch."
         end
       else
         @grad = Xumo::SFloat[0]
       end
     end
@@ -32,10 +32,10 @@
     def +@
       self
     end
 
     def -@
-      self * -1
+      Neg.(self)
     end
 
     def +(other)
       Layers::Add.(self, other)
     end