Re: isfinite is not portable

[Ben Pfaff]

Jason Stover <address@hidden> writes:

> data-out.c calls isfinite, but BSD's math.h has no such function.
>
> Since we already link to gsl, I recommend using 
>
> int gsl_finite (const double X)

Thanks, I checked this in.

In the long term I'm going to try to get this kind of thing fixed
via gnulib, but this is fine for now.
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