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Re: How to tell a function from a string

From: Lorenzo M. Catucci
Subject: Re: How to tell a function from a string
Date: Tue, 20 Jan 1998 10:03:25 +0100 (CET)

On Tue, 20 Jan 1998, John W. Eaton wrote:

> On 17-Jan-1998, Lorenzo M. Catucci <address@hidden> wrote:
> Unfortunately, there isn't a good way to do this from Octave, though
> you could probably wrap is_valid function from src/ in a
> DEFUN easily enough.
> In 2.0.x, you can do something like this (from src/
>   tree_fvc *lsode_fcn = is_valid_function (args(0), "lsode", 1);
>   if (! lsode_fcn)
>     error ...
> In 2.1.x and later the interface will change.  You will have to use
> octave_function* instead of tree_fvc*.
Now comes another question: does there exist some reason not to have such
a wrapper defined into octave's main? 



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