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Re: Optimise adder

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.lang.javascript
Subject Re: Optimise adder
Date 2015-05-21 20:01 +0100
Organization A noiseless patient Spider
Message-ID <87egm9lpmh.fsf@bsb.me.uk> (permalink)
References <a93ee3a0-39f5-408b-9f33-8d193e22e0dc@googlegroups.com> <874mn6m0tt.fsf@bsb.me.uk> <140fbc59-9fd9-41dd-bcb5-55b8c304e5b8@googlegroups.com> <87vbfllxxb.fsf@bsb.me.uk> <69862aa5-cdf8-4d22-beca-c37c59b90e63@googlegroups.com>

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jonas.thornvall@gmail.com writes:

> Den torsdag 21 maj 2015 kl. 18:04:22 UTC+2 skrev Ben Bacarisse:
>> jonas.thornvall@gmail.com writes:
>> 
>> > Den torsdag 21 maj 2015 kl. 17:01:39 UTC+2 skrev Ben Bacarisse:
>> >> jonas.thornvall@gmail.com writes:
>> >> 
>> >> > Feel free try to make it faster
>> >> 
>> >> Optimising bad code is not an appealing project.
>> >> 
>> >> The correct plan is to re-write it as a proper function and, what's
>> >> more, make it a function that operates on some big number object type.
>> >> 
>> >> > but still keep it general "anybase".
>> >> 
>> >> It does not seem to permit any base.  You claimed to be allowing
>> >> arbitrary precision numbers as the base, but the code assumes that the
>> >> base is an ECMAScript Number value.
>> >> 
>> >> <snip>
>> >> -- 
>> >> Ben.
>> 
>> Is there any chance that I can persuade you to follow Usenet conventions
>> and (1) snip signatures; (2) reply in-line to the points being made?
>> 
>> > Actually it is infinite precision arithmetic, i have no idea what you
>> > mean you simply feed it two times if you want decimals, and carry over
>> > a 1 if to the second add if needed. There is no extra penalty in time
>> > for that. The decimals Points is handled by the parser.
>> >
>> > It permit anybase, but you have to format your number into that base
>> > Before feeding the function, try base two.
>> 
>> The code you posted does not permit any base.
>
> Not true, here i changed base same code, different number format.

Yes, true.  Here's a test case for you:

  base=9007199254740992;
  var arrOne = [base-1];
  var arrTwo = [2];

<snip>
-- 
Ben.

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Thread

Optimise adder jonas.thornvall@gmail.com - 2015-05-21 07:19 -0700
  Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-21 16:01 +0100
    Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 08:43 -0700
    Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 08:54 -0700
      Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-21 17:04 +0100
        Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 09:13 -0700
          Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-21 20:01 +0100
            Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 12:39 -0700
              Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-21 21:43 +0100
            Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 12:52 -0700
              Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-21 21:40 +0100
                Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 14:30 -0700
                Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-22 00:10 +0100
                Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 23:20 -0700
                Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-22 10:45 +0100
                Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-22 02:56 -0700
                Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-22 11:25 +0100
                Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-22 04:37 -0700
                Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-22 13:21 +0100
                Re: Optimise adder Denis McMahon <denismfmcmahon@gmail.com> - 2015-05-22 18:14 +0000
                Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 23:24 -0700
                Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-22 01:18 -0700
                Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-22 10:41 +0100
                Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-22 02:52 -0700
                Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-22 13:17 +0100
                Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-22 05:59 -0700
                Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-22 17:37 +0100
                Re: Optimise adder Denis McMahon <denismfmcmahon@gmail.com> - 2015-05-22 18:17 +0000
                Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-22 12:58 -0700
                Re: Optimise adder "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-23 00:08 +0200
                Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-22 10:38 +0100
      Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 09:05 -0700
        Re: Optimise adder Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-21 20:03 +0100
  Re: Optimise adder "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-21 22:51 +0200
    Re: Optimise adder jonas.thornvall@gmail.com - 2015-05-21 15:26 -0700
      Re: Optimise adder "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-22 13:40 +0200
      Re: Optimise adder Scott Sauyet <scott.sauyet@gmail.com> - 2015-05-26 06:20 -0700
        Re: Optimise adder jonas.thornvall@gmail.com - 2015-06-06 04:01 -0700
          Re: Optimise adder jonas.thornvall@gmail.com - 2015-06-06 04:09 -0700
            Re: Optimise adder jonas.thornvall@gmail.com - 2015-06-06 04:15 -0700
              Re: Optimise adder jonas.thornvall@gmail.com - 2015-06-06 05:33 -0700

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