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Re: [Bug-apl] axis specification issue... (?)
From: |
Fausto Saporito |
Subject: |
Re: [Bug-apl] axis specification issue... (?) |
Date: |
Tue, 14 Apr 2015 10:14:26 +0200 |
Hello Jay,
thanks a lot!
regards,
Fausto
2015-04-14 10:09 GMT+02:00 Jay Foad <address@hidden>:
> On 14 April 2015 at 07:31, Fausto Saporito <address@hidden> wrote:
>> Hello,
>>
>> as I wrote before I'm trying to use the Sullivan multi precision
>> package with GNU APL.
>> That workspace was written with Dyalog APL in mind, so there're some
>> Dyalog feature we saw before ([]SIGNAL, []FMT).
>> Those are now ok.
>>
>> But I have this problem:
>>
>> {delta}6:{->}(0^.=x{<-}(-{rho}f),1 {neg}1[s]{times}x,f)/0 @ Put it all
>> together, quit if zero
>>
>> it gives me RANK ERROR
>>
>> RANK ERROR
>> Fexec[30] →(0∧.=x←(-⍴f),1 ¯1[s]×x,f)/0
>> ^ ^
>> when i try to calculate '234233' ADD '23434983498'. I suppose the
>> problem could be the AXIS [s], but I'm not sure how to read exactly
>> the error message.
>
> You need parentheses around (1 ¯1).
>
> [s] here is just indexing, not an axis specification. In Dyalog APL, 3
> 4 5[2] is parsed as (3 4 5)[2]. But in APL2 and GNU APL it's parsed as
> 3 4 (5[2]).
>
> Jay.