> On 30/06/2011 20:37, Scott wrote:
>> I would hope lint or a good compiler would throw a warning about
>> "evaluation of>=3D 0 is always true" if the data type is unsigned int.
>> Of course, this only applies if you're writing in a language higher
>> than asm.
>
> And only applies if you are always 100% sure what all bounds are, have
> all parts of system using a machine readable system spec and a tool that
> can read the spec....
>

I include bounds checking in my code (and hopefully get it right!). I
remember Turbo Pascal under CP/M had a flag to enable and disable bounds
checking. They suggested enabling it during development and disabling it
when code was released to speed up the code.

Harold




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