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Re: [Bug-apl] ⎕NL 'var_name'

From: Christian Robert
Subject: Re: [Bug-apl] ⎕NL 'var_name'
Date: Tue, 10 Mar 2015 22:15:45 -0400
User-agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0

I will try to do that in the future, but it will be hard ;-) please forgive me.

completely out of the current subject, any one saw that video ?


it looks like a 100% "Dialog APL" advertising.

don't ever try to do it in "gnu apl(GPL 3)" nor even in my favorite "nars2000(GPL 
3)", it wont work at all, will fail at
the first or second function definition.

but it was really fun to watch.

see you,


On 2015-03-10 22:03, Blake McBride wrote:
I've found that when learning a new system, it is easy to find bugs in it - 
which turn out to be a misunderstanding on my part.  Take it from someone with 
years experience doing nothing but APL, GNU APL is pretty solid.  If you 
encounter a bug, definitely look closely at your code.

Glad to help.


On Tue, Mar 10, 2015 at 8:49 PM, Christian Robert <address@hidden 
<mailto:address@hidden>> wrote:

    You are right. QuadNC do the right thing.

    btw: this is why I asked for some kind of a "newbie" list for gnu apl. I 
don't want to bother the developpers at each time
          *I think* of a problem in the software. 9/10+ are my own ignorance.

    thanks, and still learning from near zero.


    On 2015-03-10 21:09, Blake McBride wrote:

        I think you are confusing ⎕NC and ⎕NL

        On Tue, Mar 10, 2015 at 7:16 PM, Christian Robert <address@hidden 
<mailto:address@hidden> <mailto:address@hidden <mailto:address@hidden>>> wrote:


             I'm pretty sure this was working a few days ago to test if a 
variable has a value or not at entry to a function.

             Is it broken or I miss something ?



             [0]   z←ncpu Time what;⎕io;start;stop;day;old_____ncpu
             [1]   →(1=⎕NL 'ncpu')/already_set
             [2]     ncpu←1 ⍝ the default
             [3]  already_set:
             [4]   ⎕io←0
             [5]   start←¯5↑⎕ts
             [6]   day←start[0]
             [7]   start ← 32 24 60 60 1000 ⊥ start
             [8]   old_ncpu←⎕SYL [25;1]
             [9]   ⍎what
             [10]  stop←¯5↑⎕ts
             [11]  ⎕SYL [25;1]← old_ncpu
             [12]  →(stop[0]=day)/ok
             [13]    stop[0]←stop[0]+1
             [14] ok:
             [15]  stop ← 32 24 60 60 1000 ⊥ stop
             [16]  z←(⍕(stop-start)÷1000),' seconds at num core = 
',(⍕⎕syl[25;1]),' of ', ⍕⎕syl[24;1]
                    Time 'z←⍳1000'
             DOMAIN ERROR
             Time[1]  →(1=⎕NL 'ncpu')/already_set
                           ^           ^

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