def from_sympy(self, a):
"""Convert SymPy's Integer to `dtype`. """
if a.is_Integer:
return PythonIntegerType(a.p)
elif a.is_Real and int(a) == a:
return PythonIntegerType(int(a))
else:
raise CoercionFailed("expected an integer, got %s" % 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 PythonIntegerType(p)
def from_RR_sympy(K1, a, K0):
"""Convert SymPy's `Real` to Python's `int`. """
p, q = K0.as_integer_ratio(a)
if q == 1:
return PythonIntegerType(p)
def from_QQ_gmpy(K1, a, K0):
"""Convert GMPY's `mpq` to Python's `int`. """
if a.denom() == 1:
return PythonIntegerType(a.numer())
def from_ZZ_gmpy(K1, a, K0):
"""Convert GMPY's `mpz` to Python's `int`. """
return PythonIntegerType(a)
def from_FF_gmpy(K1, a, K0):
"""Convert `ModularInteger(mpz)` to Python's `int`. """
return PythonIntegerType(a.to_int())
def from_QQ_gmpy(K1, a, K0):
"""Convert a GMPY `mpq` object to `dtype`. """
return PythonRationalType(PythonIntegerType(a.numer()),
PythonIntegerType(a.denom()))
def from_ZZ_gmpy(K1, a, K0):
"""Convert a GMPY `mpz` object to `dtype`. """
return PythonRationalType(PythonIntegerType(a))