portability - values.h

Darrell McCauley mccauley at ecn.purdue.edu
Sun May 16 23:00:06 EDT 1993

This question is probably better suited for comp.lang.c, but
it pertains to some GRASS code that I'm writing. 
I'm going to use a singular value decomposition and I need
the smallest representable double value. Under SunOS 4.1
and 5.1, I can get this from values.h (MINDOUBLE). 
Is this portable?


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