From owner-help-octave at bevo dot che dot wisc dot edu  Thu Nov  9 16:01:44 1995
Subject: Re: Octave C++ libs ported to Borland C++ for OS/2 
From: niles at axp745 dot gsfc dot nasa dot gov
To: John Eaton <jwe at bevo dot che dot wisc dot edu>
Cc: <mikulik at sci dot muni dot cz>, help-octave@che.utexas.edu,         niles@axp745.gsfc.nasa.gov
Date: Thu, 09 Nov 95 17:01:36 -0500


>: By the way, the LAPACK++ documentation includes graphs comparing the
>: numerical power of it with respect to the original Fortran Lapack.
>: They are both equal. Have you performed similar tests using Octave's
>: C++ codes and Octave's macro (interpreter) language?
>
>No, but I would expect the performance to be about the same as for the
>Fortran versions of the Lapack routines, since that is what Octave
>uses.  Of course, there is some added overhead in setting up the
>various classes, but that is not likely to be a big factor for medium
>to large scale problems.

Even though...have you considered moving to this LAPACK++ to try to
keep with c++.  I though I saw it as one of the goals was to try to
move toward C/C++ as long as there was no performance loss.

	Rick Niles.