R-beta: undefined reference to `realpr_' ?

Douglas Bates bates at stat.wisc.edu
Fri Sep 18 19:23:21 CEST 1998

>>>>> "DS" == Douglas Steele <Douglas at dsteele.demon.co.uk> writes:

  DS> Win95 version, trying to build multiv.  Following error (no
  DS> mention in faq etc, but someone may have mentioned it recently).
  DS> Appreciate any help.

  DS> multiv.a(sammon.o)(.text+0x495):sammon.f: undefined reference to
  DS> `realpr_' 

This may be a symptom of a deeper problem.  The Fortran-callable
functions dblepr, intpr, and realpr are used in S for printing vectors
from Fortran code.  If the code is calling realpr does this mean that
it uses Fortran single precision?  If so, you may have some
preliminary work to do on converting it to double precision for use
with R.

If you have already converted the code to double precision then you
can replace the call to realpr by dblepr which is available in R.

Douglas Bates                            bates at stat.wisc.edu
Statistics Department                    608/262-2598
University of Wisconsin - Madison        http://www.stat.wisc.edu/~bates/
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