load ASCII file with "NaN"

[John W. Eaton]

On 25-Oct-1999, Andy Jacobson <address@hidden> wrote:

|       Is there any way to recognize the string "NaN" during ASCII
|       input?  I get the following surprising result:

No.  There was a discussion about this some time back.

| $ cat > test.dat
| 1 2 NaN 3
| $ octave
| Octave, version 2.0.13.95 (i386-pc-linux-gnu).
| Copyright (C) 1996, 1997, 1998 John W. Eaton.
| This is free software with ABSOLUTELY NO WARRANTY.
| For details, type `warranty'.
| 
| octave:1> load test.dat
| octave:2> test
| test =
| 
|   1  2  2  2

I've fixed my sources so that this will at least give you an error,
and not silently load the wrong data.

If you want to read and write NaN and Inf data reliably, use binary
files.

jwe



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