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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Eigenvalues to find roots of polynomials
Date: Mon, 25 Jul 2011 21:22:57 +0100
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Date: 2011-07-25T21:22:57+01:00
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marius63 <amado.alves@gmail.com> writes:
[...]

See http://sourceforge.net/projects/gnat-math-extn/ for work I did
supporting asymmetric real and non-hermitian complex matrices.

> --  Build with:
> --  gnatmake find_roots -largs /Developer/SDKs/MacOSX10.4u.sdk/usr/lib/
> libblas.dylib /Developer/SDKs/MacOSX10.4u.sdk/usr/lib/liblapack.dylib

You shouldn't need to specify the libraries - which GNAT are you using?
On this Mac with GNAT GPL 2011 (built for Snow Leopard),

  $ gnatmake find_roots
  gcc -c find_roots.adb
  find_roots.adb:17:07: warning: variable "M" is never read and never assigned
  gnatbind -x find_roots.ali
  gnatlink find_roots.ali
  $ 

Even if your Ada can't manage it itself, I'd have thought
  -largs -llapack -lblas
would do.