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Subject: Re: Outputting u64 word using printf?

Author: Uri Blass

Date: 08:08:08 06/07/04

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On June 07, 2004 at 11:01:51, Ricardo Gibert wrote:

>On June 07, 2004 at 10:46:28, Uri Blass wrote:
>
>>On June 07, 2004 at 10:40:09, Fabien Letouzey wrote:
>>
>>>On June 07, 2004 at 10:36:58, Vincent Diepeveen wrote:
>>>
>>>>On June 07, 2004 at 10:30:50, Fabien Letouzey wrote:
>>>
>>>>r = 1<<36; // works for good compilers not for the rest
>>>
>>>Hm, my understanding is that first "1<<36" should be calculated (so it's 0 if
>>>sizeof(int) <= 4) and *then* cast into r's type (oops, too late).
>>>
>>>Fabien.
>>
>>A smart compiler should understand that 1<<36 cannot mean 0 because in that case
>>the programmer has no reason to write it in that way.
>
>Of course a programmer might have a reason to write it that way.

He may write 1<<i when i may be 36 in part of the cases but I see no reason to
write 1<<36 and not 0.

Uri



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