From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD,
	FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4
X-Google-Thread: 103376,ad030c25af062445
X-Google-NewGroupId: yes
X-Google-Attributes: gida07f3367d7,domainid0,public,usenet
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news2.google.com!postnews.google.com!l17g2000yqe.googlegroups.com!not-for-mail
From: tolkamp <f.tolkamp@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: How to include vector operators?
Date: Tue, 7 Dec 2010 03:11:17 -0800 (PST)
Organization: http://groups.google.com
Message-ID: 
 <294277bf-c947-40e4-86ec-3071e33b5adb@l17g2000yqe.googlegroups.com>
References: 
 <1ba74849-bafa-499f-a448-661dff1f60bd@c39g2000yqi.googlegroups.com>
 <838d2332-d88f-4010-ab8f-e56ca23a35b1@j18g2000prn.googlegroups.com>
NNTP-Posting-Host: 77.248.181.38
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1291720277 5451 127.0.0.1 (7 Dec 2010 11:11:17
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Tue, 7 Dec 2010 11:11:17 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: l17g2000yqe.googlegroups.com; posting-host=77.248.181.38;
 posting-account=nZAcngoAAACcfYM9wDw3w9Z1XR3bObfs
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64;
 Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR
 3.0.30729; Media Center PC 6.0; InfoPath.1; .NET4.0C),gzip(gfe)
Xref: g2news2.google.com comp.lang.ada:16807
Date: 2010-12-07T03:11:17-08:00
List-Id: <comp.lang.ada>

On 6 dec, 22:37, Adam Beneschan <a...@irvine.com> wrote:
> On Dec 6, 1:03=A0pm, tolkamp <f.tolk...@gmail.com> wrote:
>
>
>
>
>
> > In my application the package Ada.Numerics.Generic_Real_Arrays =A0is
> > included.
>
> > Code:
>
> > with Ada.Numerics.Generic_Real_Arrays;
> > package Vectors is new Ada.Numerics.Generic_Real_Arrays(Float);
>
> > How to include the vector operators like "+" and "-" ?
>
> > I tried the follwing:
> > function "+" (Left, Right : Vectors.Real_Vector) return
> > Vectors.Real_Vector
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0renames
> > Ada.Numerics.Generic_Real_Arrays.Instantiations."+";
>
> > However this gives the error:
> > invalid prefix in selected component "Generic_Real_Arrays".
>
> function "+" (Left, Right : Vectors.Real_Vector) return
> Vectors.Real_Vector
> =A0 =A0renames Vectors."+";
>
> But you probably really want to use this, which will make all the
> operators visible:
>
> =A0 =A0use type Vectors.Real_Vector;
>
> (and maybe the same for Real_Matrix).
>
> But NOT this:
>
> =A0 =A0use type Ada.Numerics.Generic_Real_Arrays.Real_Vector;
>
> You can't access declarations in a generic package directly. =A0You have
> to access the declarations in a generic *instance*.
>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 -- Adam- =
Tekst uit oorspronkelijk bericht niet weergeven -
>
> - Tekst uit oorspronkelijk bericht weergeven -

Thank you for your solution. Now it works correct.

Fred