[R] Calling rand_unif() from fortran

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From: Gregory R. Warnes (greg@warnes.net)
Date: Sun 15 Jul 2001 - 01:37:49 EST 

Message-id: <3B50674D.C35C0904@warnes.net>

What is the necesary incantation to call rand_unif() from a fortran
routine?

Just inserting rand_unif() into the fortran code compiles OK, but won't
dyn.load():

> dyn.load("forest.so")
Error in dyn.load(x, as.logical(local), as.logical(now)) :
        unable to load shared library "/home/warnes/R/forest/forest.so":
  /home/warnes/R/forest/forest.so: undefined symbol: unif_rand__

Do I have to write a bit of C code to "wrap" the call using F77_SUB?

-Greg
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