I've had some simulation that do not accept any updates. In these cases it really doesn't make sense to have them continue, so this pr allows them to fail.
I also forgot to update the unequal time stack to match the irregular safe_mult blocks from #145, so I'm adding it here
I've had some simulation that do not accept any updates. In these cases it really doesn't make sense to have them continue, so this pr allows them to fail.
I also forgot to update the unequal time stack to match the irregular safe_mult blocks from #145, so I'm adding it here