Oh bother!  It seems to have skipped the value between 2315 and 2316  
which is very like what was wrong earlier (ie I thought I had fixed  
that)

Back to debugging
==JPff
PS I also get message
nsegs=1447 x1,y1 = 2315.000000,2316.000000 x2,y2 = 0.041492,2317.000000

which shows where it happens

Quoting Ben Hackbarth <hackbarth@gmail.com>:

> thanks John.  I can confirm that my test csd now works (i'm  
> compiling git develop on OSX).  however, there are still some  
> oddities that I can't seem to explain.
>
> the following table is well formed (that is to say that the x  
> coordinates are always incrementing), yet csound complains otherwise  
> and the data fails to load properly.
>
> sorry if it is a mistake on my part!
>
> http://pastebin.com/Fgjy8HM2
>
> ftable 99: x coordinates must all be in increasing order:
> f 99     0.00  4096.00   -27.00    0.00 ...
>
> cheers,
>  ? ben
>