Fix Metrics/AbcSize

Author: isuruf

.rubocop_todo.yml

@@ -11,10 +11,6 @@ Lint/Eval:
   Exclude:
     - 'lib/symengine.rb'
 
-# Offense count: 1
-Metrics/AbcSize:
-  Max: 20
-
 # Offense count: 28
 # Configuration parameters: AllowHeredoc, AllowURI, URISchemes.
 # URISchemes: http, https

lib/symengine.rb

@@ -41,9 +41,9 @@ def evalf(operand, prec = 53, real = false)
     def lambdify(exp, *syms)
       syms.flatten!
       if exp.free_symbols.count > syms.length
-        raise ArgumentError, "Formula contains #{exp.free_symbols.count} free "\
+        raise ArgumentError, 'Formula contains #{exp.free_symbols.count} free '\
                              'symbols. You should provide at least this number '\
-                             "of arguments (only #{syms.length} given)."
+                             'of arguments (only #{syms.length} given).'
       end
       eval(SymEngine::Utils.lambdify_code(exp, syms))
     end

lib/symengine/basic.rb

@@ -19,17 +19,17 @@ def to_proc(*args)
         if free_symbols.count > 1
           raise ArgumentError, 'You should provide symbols order for #to_proc'\
                                '. Only formulae with 1 free symbol can deduce'\
-                               " its name automatically (#{free_symbols.count}"\
-                               " found in #{self})."
+                               ' its name automatically (#{free_symbols.count}'\
+                               ' found in #{self}).'
         end
-        SymEngine.lambdify(self, free_symbols.map { |s| s })
+        return SymEngine.lambdify(self, free_symbols.map { |s| s })
       else
         if free_symbols.count > args.length
-          raise ArgumentError, "Formula contains #{free_symbols.count} free "\
+          raise ArgumentError, 'Formula contains #{free_symbols.count} free '\
                                'symbols. You should provide at least this number '\
-                               "of arguments (only #{args.length} given)."
+                               'of arguments (only #{args.length} given).'
         end
-        SymEngine.lambdify(self, args)
+        return SymEngine.lambdify(self, args)
       end
     end
   end