[R] Two questions about nmath

ripley@stats.ox.ac.uk ripley at stats.ox.ac.uk
Fri May 31 15:58:36 CEST 2002

On Fri, 31 May 2002, Paola Lecca wrote:

> 1) First question.
> Excuse me for trouble with the same question. I still have problems
> with the compilation of test.c in src/nmath/standalone.
> I did follow the instructions you gave me but I still receive this message

I don't think R-help collectively gave you instructions.  Credit where
credit is due (and ditto for blame), please.

> [root at my standalone]# cc -o test test.c -L/usr/local -lRmath
> /usr/local/libRmath.so: undefined reference to `log'

> Which is the problem now ?

The same as before.  Did you actually try

make test

?   Do try it and see what you can learn from it.

> I did produce libRmath.so and then I did copy it in /usr/local. I did

A very strange place to put it: /usr/local/lib is the conventional place
for third-party libraries.

> add the path /usr/local in /etc/ls.so.conf, then I did run ldconfig as
> follows


> ./sbin/ldconfig -n /usr/local

> 2) Second question
>  Where can I find documentation about Rmath ?

The README, the appropriate R manual, R-exts.texi etc, and in the source

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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