fixed review comments.

src/targets/cpu/lowering.cpp

@@ -610,7 +610,7 @@ struct cpu_unary
         argument result{output_shape};
         result.visit([&](auto output) {
             args[0].visit([&](auto input) {
-                if(input.get_shape().packed())
+                if(input.get_shape().standard())
                 {
                     std::transform(input.begin(), input.end(), output.begin(), op.fcn());
                 }
@@ -811,7 +811,7 @@ struct cpu_binary
         visit_all(result, args[0], args[1])([&](auto output, auto input1, auto input2) {
             auto s1 = input1.get_shape();
             auto s2 = input2.get_shape();
-            if(s1 == s2 and s1.packed())
+            if(s1 == s2 and s1.standard())
             {
                 std::transform(
                     input1.begin(), input1.end(), input2.begin(), output.begin(), op.fcn());