On Sat, Nov 25, 2006 at 05:40:08PM -0500, Jason Stover wrote:
     BSD's math.h has no 'trunc', but both GNU and BSD have
     'floor' in math.h, so to fix this error on BSD:
     
     src/language/stats/chisquare.c:78: undefined reference to `trunc'
     
     could we use floor instead?

trunc and floor do different things if the argument is negative.

According to the user documentation, "Non-integer values are
truncated before classification". I interpret this to mean "towards
zero".
I suppose the most portable way is to cast to int and back again, but
it's not very nice.

J'


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