Re: C fmod function

["Candida Ferreira" <cferreira@seehomepage.com>]

I was finally able to test it and Ada's Remainder is not the same as C++ 
fmod. C++ fmod can be expressed by the generic form fMod(x,y) = ((x / y) - 
(Sign(x / y) * Floor(Abs(x / y)))) * y.

Candida

"Candida Ferreira" <cferreira@seehomepage.com> wrote in message 
news:kk9%f.233449$zk4.160702@fe3.news.blueyonder.co.uk...
> Dmitry A. Kazakov wrote:
>>> Is there in Ada a built-in function equivalent to the fmod function in 
>>> C++?
>>
>> Yes. See Annex A.5.3, Remainder attribute defined for floating-point 
>> types.
>
> Thanks, Dmitry. I was aware of the Remainder attribute, but having read 
> the definition I wasn't sure if it corresponded exactly to the C++ fmod 
> function which can be represented by the generic expression fMod(x,y) = 
> ((x / y) - (Sign(x / y) * Floor(Abs(x / y)))) * y.
>
> Best wishes,
> Candida
>
> ---
> Candida Ferreira, Ph.D.
> Chief Scientist, Gepsoft
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