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Re: Overflow, integers and strings

Newsgroups comp.lang.javascript
Subject Re: Overflow, integers and strings
From "Evertjan." <exxjxw.hannivoort@inter.nl.net>
References <e7aac5c2-b226-44f4-a77f-fa284c3877ba@googlegroups.com> <09495c64-e320-46ca-a6d9-b9f0427c7efd@googlegroups.com> <66061bf2-9092-42a5-918e-5a039a53db20@googlegroups.com> <XnsA48C8AB5EE74Ceejj99@194.109.133.246> <6ca07e69-1694-49c1-93eb-748c44d8ab68@googlegroups.com>
Date 2015-04-30 20:37 +0200
Message-ID <XnsA48CD1D512C3Beejj99@194.109.133.246> (permalink)

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jonas.thornvall@gmail.com wrote on 30 apr 2015 in comp.lang.javascript:

> This is the same as above but when true, i get it.
>  
>>    // so: AA == BB
>>    for(i = AA - 1; i > -1; i-- )
>>      if(A[i] > B[i])
> 
> First i thought it was wrong but now i see it is corrett you loop thru
> while equal and break at bigger or smaller. Now i wonder if my code
> really worked, but i am pretty sure i checked... It probably did since i
> only interested in smaller case, but cause a longer for loop. 
> 
> You are correct Jan no need loop thru until true.

Not my name.

>>        return false // greater
>>      else 
>>        if(A[i] < B[i]) 
>>          return true; // smaller
>> 
>>    return false; // because is equal
>> 
>> };

Methinks my code is more sparse,
and perhaps quicker the larger the difference,
equality is slowest, 
so if you expect that to be most common
you could provide for that.

Methinks the beauty of the KISS-code
should reflect the basic threeway logic:

if array length difference -> exit with result
if most significant member difference -> exit with result
repeat this for all less significant members -> exit with result
no exit yet, so must be equal -> exit equal

only then you start writing code.

=======================

Just for fun, you could empty the arrays in the process:

function arrCompareThreeway(A, B) {  
   var temp;
   if ((temp = Math.sign(B.length - A.length)) != 0) return temp; 
   do ; while (temp = Math.sign(A.pop() - B.pop()));
   return (isNaN(temp))?0 :temp ;
};




-- 
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

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Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 00:11 -0700
  Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 01:29 -0700
    Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 03:31 -0700
    Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 03:33 -0700
      Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-04-30 13:38 +0200
        Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 08:20 -0700
          Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-04-30 20:37 +0200
            Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 23:46 -0700
              Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 01:01 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 01:47 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-01 10:50 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 02:04 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-01 11:08 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 04:43 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 04:46 -0700
              Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-01 10:48 +0200
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-01 10:58 +0100
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-01 14:34 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-01 14:47 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-01 15:04 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 06:18 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 06:24 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 06:49 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 07:00 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 07:17 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 07:21 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 07:37 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 11:27 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 12:34 -0700
                Re: Overflow, integers and strings Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-01 22:42 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-01 23:37 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-02 00:19 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-02 05:50 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-02 14:21 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-03 04:30 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-03 07:12 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-03 16:45 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-03 09:17 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-03 09:22 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 03:38 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-04 14:01 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 06:41 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-04 15:39 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:48 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 06:49 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:25 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 08:26 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 08:59 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-05 00:59 +0100
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-04 15:28 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:34 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-04 15:41 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:52 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 08:03 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 17:56 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 09:04 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 09:21 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 09:38 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 21:07 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 12:25 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 21:43 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 12:46 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 22:11 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 12:53 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 22:23 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:40 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 23:12 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:06 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 22:39 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:42 -0700
                Re: Overflow, integers and strings Scott Sauyet <scott.sauyet@gmail.com> - 2015-05-04 13:40 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:47 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 23:30 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-04 23:33 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 15:53 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:51 -0700
                Re: Overflow, integers and strings Scott Sauyet <scott.sauyet@gmail.com> - 2015-05-04 18:00 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 18:22 -0700
                Re: Overflow, integers and strings Scott Sauyet <scott.sauyet@gmail.com> - 2015-05-04 21:38 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 18:37 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 14:00 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 09:19 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 21:24 +0200
                Re: Overflow, integers and strings wolfgang zeidler <invalid@invalid.invalid> - 2015-05-04 21:37 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 21:56 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:21 -0700
                Re: Overflow, integers and strings wolfgang zeidler <invalid@invalid.invalid> - 2015-05-04 22:38 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 22:46 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-04 22:57 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 23:17 +0200
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-05 00:45 +0100
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-06 00:01 +0200
                Re: Overflow, integers and strings Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-05 08:14 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-05 23:54 +0200
                Re: Overflow, integers and strings wolfgang zeidler <invalid@invalid.invalid> - 2015-05-04 23:18 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 23:53 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 16:06 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-05 10:26 +0200
                Re: Overflow, integers and strings Dr J R Stockton <reply1500@merlyn.demon.co.uk.invalid> - 2015-05-05 19:59 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:40 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-05 01:10 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 05:03 -0700
        Re: Overflow, integers and strings Ben Bacarisse <ben.lists@bsb.me.uk> - 2015-04-30 20:36 +0100
          Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 13:08 -0700
  Re: Overflow, integers and strings Scott Sauyet <scott.sauyet@gmail.com> - 2015-04-30 10:52 -0700

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