lib/danica/negative.rb in danica-2.0.6 vs lib/danica/negative.rb in danica-2.1.0

@@ -1,14 +1,15 @@
 module Danica
   class Negative
     include Common
+    include BaseOperations
     include VariablesHolder
     include ActiveModel::Model
 
     attr_accessor :value
 
-    default_value :priority, 1
+    default_value :priority, 2
     default_value :is_grouped?, false
     
     delegate :valued?, to: :value
 
     def initialize(value)
@@ -18,14 +19,14 @@
     def to_f
       -value.to_f
     end
 
     def to_tex
-      "-#{value.to_tex}"
+      "-#{wrap_as_group(value).to_tex}"
     end
 
     def to_gnu
-      "-#{value.to_gnu}"
+      "-#{wrap_as_group(value).to_gnu}"
     end
 
     def ==(other)
       return false unless other.class == self.class
       value == other.value