def __cmp(self, other):
if isinstance(other, mpfr):
return gmp.mpfr_cmp(self._mpfr, other._mpfr)
elif isinstance(other, float):
return gmp.mpfr_cmp_d(self._mpfr, other)
if isinstance(other, (int, long)):
if -sys.maxsize - 1 <= other < sys.maxsize:
return gmp.mpfr_cmp_ui(self._mpfr, other)
elif 0 <= other <= MAX_UI:
return gmp.mpfr_cmp_ui(self._mpfr, other)
else:
tmp_mpz = _new_mpz()
_pylong_to_mpz(other, tmp_mpz)
result = gmp.mpfr_cmp_z(self._mpfr, tmp_mpz)
_del_mpz(tmp_mpz)
return result
elif isinstance(other, mpz):
return gmp.mpfr_cmp_z(self._mpfr, other._mpz)
elif isinstance(other, mpq):
return gmp.mpfr_cmp_q(self._mpfr, other._mpq)
return None
def __eq__(self, other):
# Complex Comparison
if isinstance(other, mpc):
return gmp.mpc_cmp(self._mpc, other._mpc) == 0
elif isinstance(other, complex):
return (
gmp.mpfr_cmp_d(gmp.mpc_realref(self._mpc), other.real) == 0
and gmp.mpfr_cmp_d(gmp.mpc_imagref(self._mpc), other.imag) == 0
)
# Real Comparison
realref = gmp.mpc_realref(self._mpc)
if isinstance(other, mpfr):
result = gmp.mpfr_cmp(realref, other._mpfr)
elif isinstance(other, float):
result = gmp.mpfr_cmp_d(realref, other)
elif isinstance(other, (int, long)):
if -sys.maxsize - 1 <= other < sys.maxsize:
result = gmp.mpfr_cmp_ui(realref, other)
elif 0 <= other <= MAX_UI:
result = gmp.mpfr_cmp_ui(realref, other)
else:
tmp_mpz = _new_mpz()
_pyint_to_mpz(other, tmp_mpz)
result = gmp.mpfr_cmp_z(realref, tmp_mpz)
_del_mpz(tmp_mpz)
result = result
elif isinstance(other, mpz):
result = gmp.mpfr_cmp_z(realref, other._mpz)
elif isinstance(other, mpq):
result = gmp.mpfr_cmp_q(realref, other._mpq)
else:
return NotImplemented
if not gmp.mpfr_zero_p(gmp.mpc_imagref(self._mpc)):
return False
return result == 0
def __eq__(self, other):
# Complex Comparison
if isinstance(other, mpc):
return gmp.mpc_cmp(self._mpc, other._mpc) == 0
elif isinstance(other, complex):
return (gmp.mpfr_cmp_d(gmp.mpc_realref(self._mpc), other.real) == 0
and gmp.mpfr_cmp_d(gmp.mpc_imagref(self._mpc),
other.imag) == 0)
# Real Comparison
realref = gmp.mpc_realref(self._mpc)
if isinstance(other, mpfr):
result = gmp.mpfr_cmp(realref, other._mpfr)
elif isinstance(other, float):
result = gmp.mpfr_cmp_d(realref, other)
elif isinstance(other, (int, long)):
if -sys.maxsize - 1 <= other < sys.maxsize:
result = gmp.mpfr_cmp_ui(realref, other)
elif 0 <= other <= MAX_UI:
result = gmp.mpfr_cmp_ui(realref, other)
else:
tmp_mpz = _new_mpz()
_pyint_to_mpz(other, tmp_mpz)
result = gmp.mpfr_cmp_z(realref, tmp_mpz)
_del_mpz(tmp_mpz)
result = result
elif isinstance(other, mpz):
result = gmp.mpfr_cmp_z(realref, other._mpz)
elif isinstance(other, mpq):
result = gmp.mpfr_cmp_q(realref, other._mpq)
else:
return NotImplemented
if not gmp.mpfr_zero_p(gmp.mpc_imagref(self._mpc)):
return False
return result == 0