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Newsgroups: comp.lang.ada
Date: Thu, 26 Jan 2017 03:54:07 -0800 (PST)
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Subject: Re: Ada.Numerics.Long_Real_Arrays
From: hnptz@yahoo.de
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Xref: news.eternal-september.org comp.lang.ada:33173
Date: 2017-01-26T03:54:07-08:00
List-Id: <comp.lang.ada>

On Thursday, January 26, 2017 at 8:47:07 AM UTC+1, Simon Wright wrote:
> hnptz@yahoo.de writes:
>=20
> > I have nm_G.ads, nm.ads, nm.adb and test_nm.adb, and I want to specify
> > Np in test_nm.adb only, How can it be made possible ?
>=20
> The thing is, you've supplied code examples that wouldn't even begin to
> compile because you've cut out so much and replaced with
> english-language text. The result is that we have no real idea what
> you're talking about.

I have conducted four files:

1. file nm_g.ads:

with Ada.Numerics.Long_Real_Arrays;=20
generic=20
=C2=A0 Np : Positive;=20
package Nm_G is=20
=C2=A0 =C2=A0subtype R_Vector=20
=C2=A0 =C2=A0 =C2=A0is Ada.Numerics.Long_Real_Arrays.Real_Vector (1 .. Np);=
=20
=C2=A0 =C2=A0type R_Matrix is array (1 ..Np+1) of R_Vector;=20
end Nm_G;=20

2. file nm.ads:

with Ada.Numerics.Long_Real_Arrays; use Ada.Numerics.Long_Real_Arrays;
with nm_g;
package nm is
=E2=80=A6
generic
with function f(R : R_Vector) return Long_Float;
procedure fnm ( P : in out R_Matrix);
=E2=80=A6
end nm;

result: R_Matrix is not visible. But I don=E2=80=99t know Np at this moment=
.

3. file nm.adb:

package body nm is
=E2=80=A6
procedure fnm ( P : in out R_Matrix) is
=E2=80=A6
end fnm;
end nm;

result: R_Matrix is not visible. But I still don=E2=80=99t know Nt at this =
moment.

4. file test_nm.adb

with nm; use nm;
procedure test_nm is
Np : Positive :=3D 2;
P : R_Matrix :=3D ((1.0,2.0),(3.0,4.0),(5.0,6.0));
begin
fnm(P);
end test_nm;

result: cannot work

I admit this is only the way, I would like to set up the project. However, =
using an array of Real_Vectors may require a different approach.