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Re: unsigned == signed ?

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Quentin Pope wrote:
> On Tue, 11 Oct 2011 19:43:03 +0000, Raj Pashwar wrote:
>> int main()
>> {
>> uint x = -1;
>> int y = -1;
>> if (x == y)
>> printf("EQUAL");
>> else
>> printf("NOT EQUAL");
>> }
>>
>> This code prints "EQUAL". Does this mean that bit comparison is done
>> for the equality test? If it doesn't can you give me an example that
>> shows bit comparison isn't done?
> 
> no ! unsigned int, and signed int are very different the way they are
> represented in bits. therefore, when you to compare the 2 different types
> (like comparing apples and oranges) one of them has to be converted, in 
> this case, the 'int' is converted to a 'uint', and becomes 0, since
> unsigned numbers cannot be less then zero.

Is this meant to be a joke? Or is -1 equal to 0 where you come from?

> ...

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Thread

unsigned == signed ? Raj Pashwar <raj121190@hotmail.NOSPAM.com> - 2011-10-11 19:43 +0000
  Re: unsigned == signed ? Keith Thompson <kst-u@mib.org> - 2011-10-11 12:57 -0700
  Re: unsigned == signed ? James Kuyper <jameskuyper@verizon.net> - 2011-10-11 16:23 -0400
  Re: unsigned == signed ? Quentin Pope <qp19433@hotmail.NOSPAM.com> - 2011-10-11 20:33 +0000
    Re: unsigned == signed ? James Kuyper <jameskuyper@verizon.net> - 2011-10-11 16:40 -0400
    Re: unsigned == signed ? Keith Thompson <kst-u@mib.org> - 2011-10-11 14:34 -0700
      Re: unsigned == signed ? Quentin Pope <qp19433@hotmail.NOSPAM.com> - 2011-10-12 16:04 +0000
        Re: unsigned == signed ? Keith Thompson <kst-u@mib.org> - 2011-10-12 10:49 -0700
        Re: unsigned == signed ? pete <pfiland@mindspring.com> - 2011-10-12 21:12 -0400
    Re: unsigned == signed ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-10-11 22:35 +0100
      Re: unsigned == signed ? Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-10-13 14:54 +0300
        Re: unsigned == signed ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-10-13 15:26 +0100
    Re: unsigned == signed ? "J. J. Farrell" <jjf@bcs.org.uk> - 2011-10-12 03:02 +0100
  Re: unsigned == signed ? Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-10-13 13:56 +0300

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