[R-pkg-devel] Using the amsmath package in a vignette.

[Henrik Bengtsson]

The R.rsp has a vignette engine for plain LaTeX sources. See
https://cran.r-project.org/web/packages/R.rsp/vignettes/R_packages-LaTeX_vignettes.pdf
for how. It's straightforward. Maybe that helps.

Henrik

On Wed, Mar 3, 2021, 18:51 Rolf Turner <r.turner using auckland.ac.nz> wrote:

>
> I am trying to create a vignette in a package (basically just using
> LaTeX code; no R calculations or data are involved).
>
> The LaTeX code involves the use of the align* environment from
> the amsmath package.  When I try to run Sweave() on the *.Rnw file
> I get a corresponding *.tex file, but then when I run pdflatex on
> that file I get an error:
>
> > ! LaTeX Error: Command \iint already defined.
> >                Or name \end... illegal, see p.192 of the manual.
> >
> > See the LaTeX manual or LaTeX Companion for explanation.
> > Type  H <return>  for immediate help.
> >  ...
> >
> > l.649 ...d{\iint}{\DOTSI\protect\MultiIntegral{2}}
>
> which is completely opaque to me.
>
> If I don't have \usepackage{amsmath} in the *.Rnw file, I get
> (unsurprisingly) an error message to the effect that the align*
> environment is undefined.
>
> Is there any way to make use of amsmath facilities in a vignette?
>
> Alternatively, is there any way to simply use the pdf output obtained
> by processing an ordinary LaTeX file as a vignette?  I have done a
> bit of web searching on this, but all of the hits that I get seem to be
> substantially out of date.  They refer to putting vignettes in
> /inst/doc and I'm pretty sure that this is no longer how it's done.
> (But I find all of the vignette business rather bewildering and
> confusing.)
>
> Grateful for any advice.
>
> cheers,
>
> Rolf Turner
>
> --
> Honorary Research Fellow
> Department of Statistics
> University of Auckland
> Phone: +64-9-373-7599 ext. 88276
>
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