def from_sympy(self, a):
"""Convert SymPy's Integer to ``dtype``. """
if a.is_Integer:
return PythonInteger(a.p)
elif a.is_Float and int(a) == a:
return PythonInteger(int(a))
else:
raise CoercionFailed("expected an integer, got %s" % a)
def from_sympy(self, a):
"""Convert SymPy's Integer to ``dtype``. """
if a.is_Integer:
return PythonInteger(a.p)
elif a.is_Float and int(a) == a:
return PythonInteger(int(a))
else:
from sympy.core.numbers import Infinitesimal, NegativeInfinitesimal
if a.has(Infinitesimal, NegativeInfinitesimal):
return a
raise CoercionFailed("expected an integer, got %s" % a)
def from_RealField(K1, a, K0):
"""Convert mpmath's ``mpf`` to Python's ``int``. """
p, q = K0.to_rational(a)
if q == 1:
return PythonInteger(p)
def from_QQ_gmpy(K1, a, K0):
"""Convert GMPY's ``mpq`` to Python's ``int``. """
if a.denom() == 1:
return PythonInteger(a.numer())
def from_ZZ_gmpy(K1, a, K0):
"""Convert GMPY's ``mpz`` to Python's ``int``. """
return PythonInteger(a)
def from_FF_gmpy(K1, a, K0):
"""Convert ``ModularInteger(mpz)`` to Python's ``int``. """
return PythonInteger(a.to_int())
def from_QQ_gmpy(K1, a, K0):
"""Convert a GMPY `mpq` object to `dtype`. """
return PythonRational(PythonInteger(a.numer()),
PythonInteger(a.denom()))
def from_ZZ_gmpy(K1, a, K0):
"""Convert a GMPY `mpz` object to `dtype`. """
return PythonRational(PythonInteger(a))
def from_RR_mpmath(K1, a, K0):
"""Convert mpmath's ``mpf`` to Python's ``int``. """
p, q = K0.as_integer_ratio(a)
if q == 1:
return PythonInteger(p)
