def test_pysmt_fraction_from_rational(self):
from fractions import Fraction as pyFraction
self.assertEqual(Fraction(4,5), pysmt_fraction_from_rational("4/5"))
self.assertEqual(Fraction(4,5), pysmt_fraction_from_rational(pyFraction(4,5)))
self.assertEqual(Fraction(4,5), pysmt_fraction_from_rational(Fraction(4,5)))
self.assertEqual(Fraction(4), pysmt_fraction_from_rational(4))
self.assertEqual(Fraction(4), pysmt_fraction_from_rational(Integer(4)))
def test_pysmt_fraction_from_rational(self):
self.assertEqual(Fraction(4, 5), pysmt_fraction_from_rational("4/5"))
self.assertEqual(Fraction(4, 5),
pysmt_fraction_from_rational(pyFraction(4, 5)))
self.assertEqual(Fraction(4, 5),
pysmt_fraction_from_rational(Fraction(4, 5)))
self.assertEqual(Fraction(4), pysmt_fraction_from_rational(4))
self.assertEqual(Fraction(4), pysmt_fraction_from_rational(Integer(4)))
def Real(self, value):
""" Returns a Real-type constant of the given value.
value can be:
- A Fraction(n,d)
- A tuple (n,d)
- A long or int n
- A float
- (Optionally) a mpq or mpz object
"""
if value in self.real_constants:
return self.real_constants[value]
if is_pysmt_fraction(value):
val = value
elif type(value) == tuple:
val = Fraction(value[0], value[1])
elif is_python_rational(value):
val = pysmt_fraction_from_rational(value)
else:
raise PysmtTypeError("Invalid type in constant. The type was:" + \
str(type(value)))
n = self.create_node(node_type=op.REAL_CONSTANT,
args=tuple(),
payload=val)
self.real_constants[value] = n
return n
def Real(self, value):
""" Returns a Real-type constant of the given value.
value can be:
- A Fraction(n,d)
- A tuple (n,d)
- A long or int n
- A float
- (Optionally) a mpq or mpz object
"""
if value in self.real_constants:
return self.real_constants[value]
if is_pysmt_fraction(value):
val = value
elif type(value) == tuple:
val = Fraction(value[0], value[1])
elif is_python_rational(value):
val = pysmt_fraction_from_rational(value)
else:
raise PysmtTypeError("Invalid type in constant. The type was:" + \
str(type(value)))
n = self.create_node(node_type=op.REAL_CONSTANT,
args=tuple(),
payload=val)
self.real_constants[value] = n
return n
