If it were consistent with FLT_EVAL_METHOD==2, then it would evaluate in the highest precision available. There's a lot of smug criticism of this article, but

If it were consistent with FLT_EVAL_METHOD==2, then it would evaluate in the highest precision available. There's a lot of smug criticism of this article, but there actually is a reasonable point that FLT_EVAL_METHOD is inconsistent with the way integers are handled in C.