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Re: (len % 1) != 0

From: David Daney <ddaney at avtrex dot com>
To: Dave Korn <dave dot korn at artimi dot com>
Cc: 'Sheng-Liang Song' <ssl at baymicrosystems dot com>, 'Bin Chen' <binary dot chen at gmail dot com>, 'Eli Zaretskii' <eliz at gnu dot org>, gdb at sourceware dot org
Date: Tue, 19 Feb 2008 10:25:04 -0800
Subject: Re: (len % 1) != 0
References: <5800c1cc0802162157g3ac31acas4ae95585b9b2e263@mail.gmail.com> <E1JQkG0-0005DD-0k@fencepost.gnu.org> <5800c1cc0802170641g68ab2e5fte724cd076412333@mail.gmail.com> <20080217152625.GA4810@caradoc.them.org> <47BB03ED.5060708@baymicrosystems.com> <007f01c87324$00f45a90$2e08a8c0@CAM.ARTIMI.COM>

Dave Korn wrote:

On 19 February 2008 16:30, Sheng-Liang Song wrote:

or

(len & 1) != 0 <=> (len % 2) != 0

That would have the advantage of not requiring a divide operation :)

But GCC will fold it to the bitwise and form, so it doesn't really matter.

David Daney

References:
- (len % 1) != 0
  - From: Bin Chen
- Re: (len % 1) != 0
  - From: Eli Zaretskii
- Re: (len % 1) != 0
  - From: Bin Chen
- Re: (len % 1) != 0
  - From: Daniel Jacobowitz
- Re: (len % 1) != 0
  - From: Sheng-Liang Song
- RE: (len % 1) != 0
  - From: Dave Korn

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