def _del_mpz(mpz):
global in_mpz_cache
if in_mpz_cache < cache_size:
if ffi.sizeof(mpz[0]) <= cache_obsize:
mpz_cache[in_mpz_cache] = mpz
else:
mpz_cache[in_mpz_cache] = ffi.new('mpz_t')
in_mpz_cache += 1
else:
gmp.mpz_clear(mpz)
def _pyint_to_mpfr(n, a):
if -sys.maxsize - 1 <= n <= sys.maxsize:
gmp.mpfr_set_si(a, n, gmp.MPFR_RNDN)
elif sys.maxsize < n <= MAX_UI:
gmp.mpfr_set_ui(a, n, gmp.MPFR_RNDN)
else:
assert isinstance(n, long)
tmp_mpz = ffi.new('mpz_t')
gmp.mpz_init(tmp_mpz)
_pylong_to_mpz(n, tmp_mpz)
gmp.mpfr_set_z(a, tmp_mpz, gmp.MPFR_RNDN)
gmp.mpz_clear(tmp_mpz)
def _pyint_to_mpfr(n, a):
if -sys.maxsize - 1 <= n <= sys.maxsize:
gmp.mpfr_set_si(a, n, gmp.MPFR_RNDN)
elif sys.maxsize < n <= MAX_UI:
gmp.mpfr_set_ui(a, n, gmp.MPFR_RNDN)
else:
assert isinstance(n, long)
tmp_mpz = ffi.new('mpz_t')
gmp.mpz_init(tmp_mpz)
_pylong_to_mpz(n, tmp_mpz)
gmp.mpfr_set_z(a, tmp_mpz, gmp.MPFR_RNDN)
gmp.mpz_clear(tmp_mpz)