In the implementations of the `log2()`, `log10()`, and `log()` intrinsics, while, for a single argument, `elementwise_intrinsic_float_convert_args()` and `intrinsic_float_convert_arg()` do the same thing, the internal logic of the former is more complex than the latter, so, I think that for intrinsics with a single argument, it makes more sense to use the latter.