Re: [PATCH nft 3/4] meta: add probability matching

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On Friday 2016-03-04 12:12, Florian Westphal wrote:
>Jan Engelhardt <jengelh@xxxxxxx> wrote:
>> >> >+		if (tmp >= UINT_MAX || d > 0.9999999)
>> >> >+			return error(loc, "Probability " META_PROB_FMT " too %s", d, "big");
>> >> 
>> >> You are misappropriating some 430 points here. 0.9999999 maps to
>> >> just 0xfffffe51.
>> >
>> >Sorry, I am not following.
>> 
>> 0.9999999997 is still a valid probability, but you are making it 
>> impossible to select it by cutting off at d > 0.9999999000.
>
>I'll change it to allow one more digit, so that supported range will
>be 0.00000001 [10^-8] (0x0000002a) to
>   0.99999999 (0xffffffd4).

Let's ask differently. What precludes the use of the full range
(0x0/0x1) [2*10^-10] to (0xffffffff)?
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