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John Cremona on Thu, 10 Dec 2015 11:26:44 +0100
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Re: Regarding digits function
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- To: "pari-users@pari.math.u-bordeaux.fr" <pari-users@pari.math.u-bordeaux.fr>
- Subject: Re: Regarding digits function
- From: John Cremona <john.cremona@gmail.com>
- Date: Thu, 10 Dec 2015 10:26:07 +0000
- Delivery-date: Thu, 10 Dec 2015 11:26:44 +0100
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On 10 December 2015 at 10:13, Bill Allombert
<Bill.Allombert@math.u-bordeaux.fr> wrote:
> On Thu, Dec 10, 2015 at 02:35:33PM +0530, chandra sekaran wrote:
>> Hi,
>>
>> digits(0) is giving empty vector. It should give [0].
>> Am i correct or wrong?
>
> No, this is expected: this is consistent with binary(0).
> The idea is to remove all leading zeros.
That is certainly the mathematically pure answer, but in Real Life we
strip leading 0s except for 0 itself, since we do not like empty
strings representing integers.
Perhaps the documentation could point this out?
John
>
> Cheers,
> Bill.
>