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Re: Weird result for modulus operation


Andrew Pinski wrote:
On Tue, Apr 29, 2008 at 8:50 PM, Ang Way Chuang <wcang@nav6.org> wrote:

abc.a = abc.a++ % abc.b;

You are assigning to abc.a twice without a sequence point inbetween so this code is undefined as the order of evaluation of expressions without a sequence point is unspecified.
Thanks for the speedy reply. But why this code:

	int a = 17, b = 16;
	a = a++ % 16;

results in a = 2 then? I think I need to know what is sequence point. I'll google that.

Thanks, Andrew Pinski



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