def __rsub__(self, other):
res = _new_mpc() # TODO use context precision
if isinstance(other, mpfr):
gmp.mpc_fr_sub(res, other._mpfr, self._mpc, gmp.MPC_RNDNN)
elif isinstance(other, mpq):
gmp.mpfr_sub_q(gmp.mpc_realref(res), gmp.mpc_realref(self._mpc), other._mpq, gmp.MPFR_RNDN)
gmp.mpfr_neg(gmp.mpc_realref(res), gmp.mpc_realref(res), gmp.MPFR_RNDN)
gmp.mpfr_set(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc), gmp.MPFR_RNDN)
elif isinstance(other, mpz):
gmp.mpfr_z_sub(gmp.mpc_realref(res), other._mpz, gmp.mpc_realref(self._mpc), gmp.MPFR_RNDN)
gmp.mpfr_neg(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc), gmp.MPFR_RNDN)
elif isinstance(other, complex):
gmp.mpfr_d_sub(gmp.mpc_realref(res), other.real, gmp.mpc_realref(self._mpc), gmp.MPFR_RNDN)
gmp.mpfr_d_sub(gmp.mpc_imagref(res), other.imag, gmp.mpc_imagref(self._mpc), gmp.MPFR_RNDN)
elif isinstance(other, float):
gmp.mpfr_d_sub(gmp.mpc_realref(res), other, gmp.mpc_realref(self._mpc), gmp.MPFR_RNDN)
gmp.mpfr_neg(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc), gmp.MPFR_RNDN)
elif isinstance(other, (int, long)):
if 0 <= other <= MAX_UI:
gmp.mpc_ui_sub(res, other, self._mpc, gmp.MPC_RNDNN)
elif -sys.maxsize - 1 <= other <= sys.maxsize:
gmp.mpfr_si_sub(gmp.mpc_realref(res), other, gmp.mpc_realref(self._mpc), gmp.MPFR_RNDN)
gmp.mpfr_neg(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc), gmp.MPFR_RNDN)
else:
tmp_mpz = _new_mpz()
_pyint_to_mpz(other, tmp_mpz)
gmp.mpfr_z_sub(gmp.mpc_realref(res), tmp_mpz, gmp.mpc_realref(self._mpc), gmp.MPFR_RNDN)
gmp.mpfr_neg(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc), gmp.MPFR_RNDN)
_del_mpz(tmp_mpz)
else:
return NotImplemented
return mpc._from_c_mpc(res)
def __sub__(self, other):
res = _new_mpc() # TODO use context precision
if isinstance(other, mpc):
gmp.mpc_sub(res, self._mpc, other._mpc, gmp.MPC_RNDNN)
elif isinstance(other, mpfr):
gmp.mpc_sub_fr(res, self._mpc, other._mpfr, gmp.MPC_RNDNN)
elif isinstance(other, mpq):
gmp.mpfr_sub_q(gmp.mpc_realref(res), gmp.mpc_realref(self._mpc),
other._mpq, gmp.MPFR_RNDN)
gmp.mpfr_set(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc),
gmp.MPFR_RNDN)
elif isinstance(other, mpz):
gmp.mpfr_sub_z(gmp.mpc_realref(res), gmp.mpc_realref(self._mpc),
other._mpz, gmp.MPFR_RNDN)
gmp.mpfr_set(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc),
gmp.MPFR_RNDN)
elif isinstance(other, complex):
gmp.mpfr_sub_d(gmp.mpc_realref(res), gmp.mpc_realref(self._mpc),
other.real, gmp.MPFR_RNDN)
gmp.mpfr_sub_d(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc),
other.imag, gmp.MPFR_RNDN)
elif isinstance(other, float):
gmp.mpfr_sub_d(gmp.mpc_realref(res), gmp.mpc_realref(self._mpc),
other, gmp.MPFR_RNDN)
gmp.mpfr_set(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc),
gmp.MPFR_RNDN)
elif isinstance(other, (int, long)):
if 0 <= other <= MAX_UI:
gmp.mpc_sub_ui(res, self._mpc, other, gmp.MPC_RNDNN)
elif -sys.maxsize - 1 <= other <= sys.maxsize:
gmp.mpfr_sub_si(gmp.mpc_realref(res),
gmp.mpc_realref(self._mpc), other,
gmp.MPFR_RNDN)
gmp.mpfr_set(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc),
gmp.MPFR_RNDN)
else:
tmp_mpz = _new_mpz()
_pyint_to_mpz(other, tmp_mpz)
gmp.mpfr_sub_z(gmp.mpc_realref(res),
gmp.mpc_realref(self._mpc), tmp_mpz,
gmp.MPFR_RNDN)
gmp.mpfr_set(gmp.mpc_imagref(res), gmp.mpc_imagref(self._mpc),
gmp.MPFR_RNDN)
_del_mpz(tmp_mpz)
else:
return NotImplemented
return mpc._from_c_mpc(res)
def __init__(self, *args):
nargs = len(args)
# if nargs == 1 and isinstance(args[0], self.__class__):
# self._mpc = args[0]._mpc
# return
if nargs == 0:
self._mpc = ffi.gc(_new_mpc(), _del_mpc)
gmp.mpc_set_ui(self._mpc, 0, gmp.MPC_RNDNN)
elif isinstance(args[0], str): # unicode?
# First argument is a string
if nargs == 1:
prec, base = 0, 10
elif nargs == 2:
prec, base = args[1], 10
elif nargs == 3:
prec, base = args[1], args[2]
else:
raise TypeError("function takes at most 3 arguments (4 given)")
prec = _check_prec(prec)
self._mpc = ffi.gc(_new_mpc(prec), _del_mpc)
_str_to_mpc(args[0], base, self._mpc)
elif isinstance(args[0], (mpc, complex)):
# First argument is complex
if nargs == 1:
prec = (0, 0)
elif nargs == 2:
prec = _check_prec(args[1])
else:
raise TypeError("function takes at most 2 arguments (3 given)")
self._mpc = ffi.gc(_new_mpc(prec), _del_mpc)
if isinstance(args[0], mpc):
gmp.mpc_set(self._mpc, args[0]._mpc, gmp.MPC_RNDNN)
elif isinstance(args[0], complex):
gmp.mpc_set_d_d(self._mpc, args[0].real, args[0].imag,
gmp.MPC_RNDNN)
elif isinstance(args[0], (mpfr, mpq, mpz, float, int, long)):
# First argument is real
if nargs <= 2:
prec = (0, 0)
elif nargs == 3:
prec = _check_prec(args[2])
else:
raise TypeError("function takes at most 3 arguments (4 given)")
self._mpc = ffi.gc(_new_mpc(prec), _del_mpc)
realref = gmp.mpc_realref(self._mpc)
imagref = gmp.mpc_imagref(self._mpc)
if isinstance(args[0], mpfr):
gmp.mpfr_set(realref, args[0]._mpfr, gmp.MPFR_RNDN)
elif isinstance(args[0], mpz):
gmp.mpfr_set_z(realref, args[0]._mpz, gmp.MPFR_RNDN)
elif isinstance(args[0], mpq):
gmp.mpfr_set_q(realref, args[0]._mpq, gmp.MPFR_RNDN)
elif isinstance(args[0], float):
gmp.mpfr_set_d(realref, args[0], gmp.MPFR_RNDN)
elif isinstance(args[0], (int, long)):
_pyint_to_mpfr(args[0], realref)
if nargs >= 2:
# Check if second argument is real
if isinstance(args[1], mpfr):
gmp.mpfr_set(imagref, args[1]._mpfr, gmp.MPFR_RNDN)
elif isinstance(args[1], mpz):
gmp.mpfr_set_z(imagref, args[1]._mpz, gmp.MPFR_RNDN)
elif isinstance(args[1], mpq):
gmp.mpfr_set_q(imagref, args[1]._mpq, gmp.MPFR_RNDN)
elif isinstance(args[1], float):
gmp.mpfr_set_d(imagref, args[1], gmp.MPFR_RNDN)
elif isinstance(args[1], (int, long)):
_pyint_to_mpfr(args[1], imagref)
else:
raise TypeError(
"invalid type for imaginary component in mpc()")
else:
gmp.mpfr_set_ui(imagref, 0, gmp.MPFR_RNDN)
else:
raise TypeError("mpc() requires numeric or string argument")
def __init__(self, *args):
nargs = len(args)
# if nargs == 1 and isinstance(args[0], self.__class__):
# self._mpc = args[0]._mpc
# return
if nargs == 0:
self._mpc = ffi.gc(_new_mpc(), _del_mpc)
gmp.mpc_set_ui(self._mpc, 0, gmp.MPC_RNDNN)
elif isinstance(args[0], str): # unicode?
# First argument is a string
if nargs == 1:
prec, base = 0, 10
elif nargs == 2:
prec, base = args[1], 10
elif nargs == 3:
prec, base = args[1], args[2]
else:
raise TypeError("function takes at most 3 arguments (4 given)")
prec = _check_prec(prec)
self._mpc = ffi.gc(_new_mpc(prec), _del_mpc)
_str_to_mpc(args[0], base, self._mpc)
elif isinstance(args[0], (mpc, complex)):
# First argument is complex
if nargs == 1:
prec = (0, 0)
elif nargs == 2:
prec = _check_prec(args[1])
else:
raise TypeError("function takes at most 2 arguments (3 given)")
self._mpc = ffi.gc(_new_mpc(prec), _del_mpc)
if isinstance(args[0], mpc):
gmp.mpc_set(self._mpc, args[0]._mpc, gmp.MPC_RNDNN)
elif isinstance(args[0], complex):
gmp.mpc_set_d_d(self._mpc, args[0].real, args[0].imag, gmp.MPC_RNDNN)
elif isinstance(args[0], (mpfr, mpq, mpz, float, int, long)):
# First argument is real
if nargs <= 2:
prec = (0, 0)
elif nargs == 3:
prec = _check_prec(args[2])
else:
raise TypeError("function takes at most 3 arguments (4 given)")
self._mpc = ffi.gc(_new_mpc(prec), _del_mpc)
realref = gmp.mpc_realref(self._mpc)
imagref = gmp.mpc_imagref(self._mpc)
if isinstance(args[0], mpfr):
gmp.mpfr_set(realref, args[0]._mpfr, gmp.MPFR_RNDN)
elif isinstance(args[0], mpz):
gmp.mpfr_set_z(realref, args[0]._mpz, gmp.MPFR_RNDN)
elif isinstance(args[0], mpq):
gmp.mpfr_set_q(realref, args[0]._mpq, gmp.MPFR_RNDN)
elif isinstance(args[0], float):
gmp.mpfr_set_d(realref, args[0], gmp.MPFR_RNDN)
elif isinstance(args[0], (int, long)):
_pyint_to_mpfr(args[0], realref)
if nargs >= 2:
# Check if second argument is real
if isinstance(args[1], mpfr):
gmp.mpfr_set(imagref, args[1]._mpfr, gmp.MPFR_RNDN)
elif isinstance(args[1], mpz):
gmp.mpfr_set_z(imagref, args[1]._mpz, gmp.MPFR_RNDN)
elif isinstance(args[1], mpq):
gmp.mpfr_set_q(imagref, args[1]._mpq, gmp.MPFR_RNDN)
elif isinstance(args[1], float):
gmp.mpfr_set_d(imagref, args[1], gmp.MPFR_RNDN)
elif isinstance(args[1], (int, long)):
_pyint_to_mpfr(args[1], imagref)
else:
raise TypeError("invalid type for imaginary component in mpc()")
else:
gmp.mpfr_set_ui(imagref, 0, gmp.MPFR_RNDN)
else:
raise TypeError("mpc() requires numeric or string argument")
