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Re: [Help-gsl] Error handling
From: |
Brian Gough |
Subject: |
Re: [Help-gsl] Error handling |
Date: |
Tue, 18 Jul 2006 17:19:05 +0100 |
User-agent: |
Wanderlust/2.14.0 (Africa) Emacs/21.3 Mule/5.0 (SAKAKI) |
At Tue, 18 Jul 2006 15:17:40 +0200,
Raphael Mack wrote:
> The last line will overflow for element (0, 0) so I'd like to see the
> value of A = [Inf, 3] and I expected result == GSL_EOVRFLW.
>
> I wonder how I can compile my app and setup gsl to get this behavior,
> because I already played with gsl_ieee_set_mode, but then I get an OS
> signal which I don't like.
We don't handle IEEE overflow, it's left to the user to detect it.
You can use the standard C function fetestexcept() to check whether
any IEEE exceptions were raised during a function call and then reset
them if necessary.
--
Brian Gough
Network Theory Ltd,
Publishing the GSL Manual - http://www.network-theory.co.uk/gsl/manual/