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Subject: Re: In-Out Parameters for functions
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Date: 2004-02-26T08:29:36-05:00
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Hyman Rosen wrote:

> Preben Randhol wrote:
> 
>> Only in the case that b is true is the evaluation of needed Sqrt (x) > 
>> 5.0 Or have I missed som point here?
> 
> 
> Sqrt(x) may have side effects.

Totally irrelevant.  As I just posted what matters is whether or not 
Sqrt(x) is declared in a pure library unit.  In the case of the standard 
Sqrt, the standard also says:

    pragma Pure(Generic_Elementary_Functions);

So the compiler is free to eliminate calls to Sqrt if possible.

-- 
                                           Robert I. Eachus

"The only thing necessary for the triumph of evil is for good men to do 
nothing." --Edmund Burke