comp.lang.ada
 help / color / mirror / Atom feed
From: "Randy Brukardt" <randy@rrsoftware.com>
Subject: Re: Way to use Ada Mod function on floats?
Date: Sat, 2 Dec 2006 19:05:41 -0600
Date: 2006-12-02T19:05:41-06:00	[thread overview]
Message-ID: <teidnf-7W_5ev-_YnZ2dnUVZ_qednZ2d@megapath.net> (raw)
In-Reply-To: 4571ac78_6@news.bluewin.ch

"Gautier" <gautier@fakeaddress.nil> wrote in message
news:4571ac78_6@news.bluewin.ch...
> Stephen Leake:
>
> > SAL (http://stephe-leake.org/ada/sal.html) has:
> >
> >    function Modulo (Dividend, Divisor : in Real_Type) return Real_Type
> >    is
> >       --  match names in Ada LRM 4.5.5
> >
> >       A : Real_Type renames Dividend;
> >       B : Real_Type renames Divisor;
> >       N : constant Integer := Integer (Real_Type'Floor (A / B));
> >    begin
> >       return A - B * Real_Type (N);
> >    end Modulo;
>
> Out of curiosity, what is the need of converting Real_Type'Floor (A / B)
to an
> Integer and back to a Real_Type ?

He just wanted to get Constraint_Error sometimes (esp. on Janus/Ada, where
Integer is 16 bits!). ;-)

                             Randy.





  parent reply	other threads:[~2006-12-03  1:05 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-01 15:32 Way to use Ada Mod function on floats? AAFellow
2006-12-01 16:37 ` Jeffrey Creem
2006-12-01 17:21 ` Adam Beneschan
2006-12-01 21:13 ` Chris Moore
2006-12-02 11:11 ` Stephen Leake
2006-12-02 16:40   ` Gautier
2006-12-02 17:48     ` Simon Wright
2006-12-02 18:21       ` Dmitry A. Kazakov
2006-12-02 18:24         ` Dmitry A. Kazakov
2006-12-03  0:50       ` Jeffrey R. Carter
2006-12-03  1:05     ` Randy Brukardt [this message]
2006-12-03 15:14     ` Stephen Leake
2006-12-03 22:27       ` Jeffrey R. Carter
2006-12-04 11:31         ` Stephen Leake
replies disabled

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox