On Mar 24, 7:10 pm, Bill Hart <goodwillh...@googlemail.com> wrote:
> I think it is only a matter of entering the given define into gmp.h. I
> don't think you'll need to rebuild the library.
>
> I understood that MPFR had changed their code to not use the
> deprecated functions. But perhaps this is in a version which has not
> yet been released.
>
> Bill.
>
> On 24 March 2010 19:07, Chris Saunders <e...@mountaincable.net> wrote:
>
> > First, thanks very much for the response Bill. Now I don't think I can take
> > the first option because my C interface code to MPFR is not calling the
> > deprecated code it is the MPFR code that is doing so. In the example I gave
> > I was writing an interface to mpfr_get_z. For the second option do I just
> > need to enter "#define mpz_div2_exp mpz_tdiv_q_2exp" into gmp.h or do I
> > need to try and rebuild the library as well. Sorry I am not accustomed to
> > dealing with this type of problem.
>
> > Regards
> > Chris Saunders
>
> > --------------------------------------------------
> > From: "Bill Hart" <goodwillh...@googlemail.com>
> > Sent: Wednesday, March 24, 2010 11:59 AM
> > To: <mpir-devel@googlegroups.com>
> > Subject: Re: [mpir-devel] Having problem with mpz_div_2exp
>
> >> The function mpz_div_2exp was removed from MPIR 1.3 because it is a
> >> very old interface which was deprecated in GMP a long time ago when
> >> the new mpz_tdiv_q_2exp function was added, for example.
>
> >> With MPIR 1.3 you have two options:
>
> >> 1) Replace all references to the deprecated function with the correct
> >> function name throughout your code.
>
> >> 2) Add some #defines to your gmp.h (or elsewhere in your includes),
> >> e.g. #define mpz_div2_exp mpz_tdiv_q_2exp.
>
> >> In the next version of MPIR we have inserted these #defines in the
> >> gmp.h file whenever MPIR is built with --enable-gmpcompat. Obviously
> >> the idea of deprecating functions is that people do (1) above, but
> >> after many years, this doesn't seem to have happened. People keep
> >> using the old functions.
>
> >> Bill.
>
> >> On 24 March 2010 15:25, Chris Saunders <e...@mountaincable.net> wrote:
>
> >>> This question may seem off-topic here but I don't know where else to try
> >>> asking.
>
> >>> I'm working on an Eiffel interface to MPIR, MPFR and MPC and the problem
> >>> I'm
> >>> having right now relates to the library built by Brian Gladmans Visual
> >>> Studio 2008 MPFR project. I'm using the Eiffel compiler to build my
> >>> project
> >>> but the Eiffel compiler compiles to C and then uses the compiler and
> >>> linker
> >>> from the Windows 7 SDK to finish up. The error output I'll show is from
> >>> my
> >>> Eiffel IDE but it actually comes from the Microsoft tools. OK here is
> >>> the
> >>> error:
>
> >>> 2 C Compiler Error: Error LNK2019: unresolved external symbol
> >>> mpz_div_2exp referenced in function mpfr_get_z mpfr.libNow I did a
> >>> search for mpz_div_2exp in mpfr.lib and found this
> >>> "__gmpz_divexact_uiNULmpz_div_2expNUL__gmpz_mul_ui" (this output is from
> >>> Notepad++). Notice that the preceding and following functions are
> >>> prefixed
> >>> by "__".
>
> >>> Now I found this "The functions mpz_div_2exp and mpz_div_ui have been
> >>> removed from MPIR. These were deprecated many years ago, but many people
> >>> have continued to use them." at
> >>>http://osdir.com/ml/sage-support/2010-01/msg00529.html. I'm not sure if
> >>> this is relevant to the problem I am having.
>
> >>> Can anyone make a suggestion?
>
> >>> Regards
> >>> Chris Saunders
> >>> --
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The SVN version of MPFR has removed these dependencies on obsolete GMP/
MPIR functions.
Brian
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