Organization: Medical Physics Dept., University College, London, UK
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>Where can I get a (legal) copy of erfc. I am porting a program to a machine
>that does not have this (BSD 4.3) function, so I need the _source_.
Get a copy of the book "Numerical Recipes of C", by W.H. Press et al, Cambridge University Press 1988 + reprints. There are also Pascal and C versions of the book. They print source code in book. Can also be got on disk. There are functions erf() and erfc().