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Message from discussion Need some JavaScript puzzles
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Dr J R Stockton  
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 More options Sep 29 2008, 5:49 pm
Newsgroups: comp.lang.javascript
From: Dr J R Stockton <J.R.Stock...@physics.org>
Date: Mon, 29 Sep 2008 14:49:57 -0700 (PDT)
Local: Mon, Sep 29 2008 5:49 pm
Subject: Re: Need some JavaScript puzzles
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On Sep 29, 9:02 pm, Jorge <jo...@jorgechamorro.com> wrote:

> While writing 'my version', I was going to 'logically' test the bits
> with an '&', but I have discovered that the & operator operates on
> just 32 bits, not on the 53 available in the mantissa of a 'number'
> primitive value:

Agreed, but one can access all bits of a Double for logical operations
by using arithmetic.  Working example :
<URL:http://www.merlyn.demon.co.uk/js-misc0.htm#TC>

--
  (c) John Stockton, near London, UK.  Posting with Google.
 Mail: J.R.""""""""@physics.org or (better) via Home Page at
 Web:  <URL:http://www.merlyn.demon.co.uk/>
 FAQish topics, acronyms, links, etc.; Date, Delphi, JavaScript, ....|


 
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