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General Multi-Precision arithmetic for Python 2.6+/3+ (GMP, MPIR, MPFR, MPC)

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Issue created as a reminder for me to look at this in the future. But if someone wants to tackle this, that would be great. I can'f figure out how...

On macOS, I installed mpfr using macports. It is installed at `/opt/local/include/mpfr.h`. However, when building, I get this error /usr/bin/clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall...

In the last release of mpfr there are two deprecated functions that appear to be used by gmpy2 ``` src/gmpy2_random.c: In function 'GMPy_MPFR_grandom_Function': src/gmpy2_random.c:248:5: warning: 'mpfr_grandom' is deprecated src/gmpy2_math.c: In...

Continue discuss from issue 146.

See comments on #181. Some of the internal functions that create mpfr and mpc instances accept a precision argument. If precision is 0, they get the required precision from the...

Is there any plan for alpha, beta, stable release? Vincent K. already prepared all the integration in [pplpy](https://github.com/videlec/pplpy) and SageMath (see [ticket 22927](https://trac.sagemath.org/ticket/22927) and [ticket 22928](https://trac.sagemath.org/ticket/22928)). We are just waiting...

Hi, Have downloaded, compiled, checked & installed the latest versions of prerequisites, with no errors: gmp-6.1.2 mfr-3.1.6 mac-1.0.3 (newly created libraries are in $HOME/static) Then downloaded & extracted gmpy2 into...

I have a couple questions about Cython/Sage. Will the GIL be held when the gmpy2 C API functions are called? (I assume so...) Should I assume that the GMP/MPIR, MPFR,...

make latexpdf end in error on osx with travis ci. https://travis-ci.org/vinklein/gmpy/jobs/298473850 > make[1]: latexmk: No such file or directory make[1]: *** [gmpy2.pdf] Error 1 make: *** [latexpdf] Error 2 It...

On Ubuntu 12.04 (LTS from 2012) only gmp 5.0.2 and mpc 0.9.4 are available. As a consequence the gmp library is missing `mpz_2fac_ui`, `mpz_primorial_ui`, `mpz_mfac_uiui`. Similarly, mpc library is missing...