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 Posted by Skeleton on 05/31/06 16:46 
So what should I do at this point? I need to make XOR operations with 
such big(small) numbers. 
Chung Leong wrote: 
> Skeleton wrote: 
> > My PHP 5.1.2 is on Windows. So the problem is about the Operating 
> > Systems. 
> > 
> > David Haynes wrote: 
> > > Be careful of your base assumptions. php 5.1.2 on Linux produces 
> > > -2147483647 as well. 
> > > 
> > > -david- 
> 
> No, it's difference is in the compiler. The operation you describe 
> causes a double-to-long-integer conversion overflow. Gcc probably 
> throws in a check which sets the value to the integer boundary whereas 
> MS Visual C just lets it wrap around.
 
  
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