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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