Re: NaNs in ascii

[Paul Kienzle]

On Sat, Oct 26, 2002 at 09:11:14PM -0400, Paul Kienzle wrote:
> Actually, I believe octave relies on libc to read/write.  I'm guessing
> cygwin uses msvcrt for its scanf since 2.1.37 fails to read NaNs on
> cygwin.
> 
> With the recent introduction of NA for missing data, we will have to
> replace scanf with one of our own making, presumably lifting it from
> glibc and extending it to handle NA.  I'll check tonight if it is 
> easy enough to extract.

Maybe not so easy.  To implement sscanf they fake a FILE * pointer and
preload its buffer with the source string.  This is not something I would
expect to work with a foreign C library.

Paul Kienzle
address@hidden



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