[Rd] Embedding R in C application

Prof Brian Ripley ripley at stats.ox.ac.uk
Fri Jun 24 16:07:37 CEST 2005

You need to read the correct part of the manual (and you need a manual 
from R >= 2.1.0).  You are writing a front-end, so read

* Linking GUIs and other front-ends to R::

as Duncan suggested.  Your comments are not at all consistent with what 
I wrote there.

On Fri, 24 Jun 2005 Chad.P.Jenness at wellsfargo.com wrote:

> I have done this and it sounded like all that I needed to do is #include
> <R.h> to get access to R functionality.  However, I was getting
> compiling errors when attempting to make an R function call directly
> from C, so I did some research, and this is where I saw the reference to
> needing the libR.so.  By just including R.h, does this provide me with
> the same R functionality as the references that I saw about the libR.so?
> If so, then I will continue to use this to access the R functionality
> and use the "Writing R Extensions" manual.
> Thanks,
> Chad Jenness
> 763-229-0427
> -----Original Message-----
> From: Duncan Murdoch [mailto:murdoch at stats.uwo.ca]
> Sent: Friday, June 24, 2005 8:30 AM
> To: Chad.P.Jenness at wellsfargo.com
> Cc: r-devel at r-project.org
> Subject: Re: [Rd] Embedding R in C application
> On 6/24/2005 9:18 AM, Chad.P.Jenness at wellsfargo.com wrote:
>> To whom it may concern,
>> I am very interested in embedding the R functionality in our
>> application. This is a C application that currently runs on Win32, but
>> will also run on Linux in the future. From the material that I have
>> seen, I need R compiled as a shared library to evaluate R expressions
>> from C. Is this correct? If so, can I download this shared library
> from
>> somewhere? Is there any API document pertaining to this shared
> library?
> You want to look at the "Writing R Extensions" manual, in particular the
> chapters on the R API (for access to the underlying computational
> routines) and the one on linking GUIs or other front-ends (which sounds
> more like what you want to do).
> Duncan Murdoch
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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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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