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

@@ -7,11 +7,11 @@
 
       def self.from_hash(hash)
         return nil unless hash
         optimizer_class = DNN.const_get(hash[:class])
         optimizer = optimizer_class.allocate
-        raise DNN_Error, "#{optimizer.class} is not an instance of #{self} class." unless optimizer.is_a?(self)
+        raise DNNError, "#{optimizer.class} is not an instance of #{self} class." unless optimizer.is_a?(self)
         optimizer.load_hash(hash)
         optimizer
       end
 
       # @param [Float | NilClass] clip_norm Gradient clip norm.
@@ -47,10 +47,9 @@
       end
 
       private def clip_grads(params)
         norm = Math.sqrt(params.reduce(0) { |total, param| total + (param.grad**2).sum })
         return if norm <= @clip_norm
-
         rate = @clip_norm / (norm + 1e-7)
         params.each do |param|
           param.grad *= rate
         end
       end