rust-gmp 0.2.8

Rust bindings for GMP
Documentation
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The following functions are intentionally left out of the bindings:

* `gmp_randinit` (not thread-safe, obsolete)
* `mpz_random` (not thread-safe, obsolete)
* `mpz_random2` (not thread-safe, obsolete)
* `mpf_set_default_prec` (not thread-safe)
* `mpf_get_default_prec` (not thread-safe)
* `mpf_init` (not thread-safe)
* `mpf_inits` (not thread-safe, va_list wrapper)
* `mpf_clears` (va_list wrapper)
* `mpf_swap` (no better than rust's swap)
* `mpf_set_prec_raw` (could be exposed with an `unsafe` function if needed)
* `mpz_inits` (va_list wrapper)
* `mpz_clears` (va_list wrapper)
* `mpz_swap` (no better than rust's swap)
* `mpq_inits` (va_list wrapper)
* `mpq_clears` (va_list wrapper)
* `mpq_swap` (no better than rust's swap)