[R] trouble using R Mathlib as standalone

[Prof Brian Ripley]

You are using this in C++ code, not in C code.
`Actually', I don't think it is a good idea to include C headers in C++
code with -pedantic.  C is not required to pass C++ -pedantic.

On Tue, 15 Jan 2002, Faheem Mitha wrote:
> On Tue, 15 Jan 2002, Prof Brian Ripley wrote:
> > On Tue, 15 Jan 2002, Faheem Mitha wrote:
> > > On Tue, 15 Jan 2002, Prof Brian Ripley wrote:
> > >
> > > > I think we need to consider renaming the R version of log1p to avoid
> > > > possible problems elsewhere.  It is not a bug, as it does need to be
> > > > declared in Rmath.h on some ISO C systems.  It just happens that both
> > > > glibc and MM used the same name for the same extension.
> > >
> > > Can you suggest a temporary workaround for this, so I can continue using
> > > -pedantic?
> >
> > You don't need workarounds for warnings, do you?
>
> Actually,
>
> g++-3.0 -c -Wall -pedantic -g rand.cc
>
> gives an error, not a warning.
>
> In file included from rand.cc:4:
> /usr/include/Rmath.h:520: declaration of `double log1p(double)' throws
>    different exceptions
> /usr/include/bits/mathcalls.h:125: than previous declaration `double
>    log1p(double) throw ()'
> make: *** [rand.o] Error 1
>                                          Faheem.
>
>

-- 
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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