Example #1
0
    def test_is_methods(self):
        from fractions import Fraction as pyFraction

        self.assertFalse(is_pysmt_fraction(4))
        self.assertTrue(is_pysmt_fraction(Fraction(4)))

        self.assertFalse(is_pysmt_integer(4.0))
        self.assertTrue(is_pysmt_integer(Integer(4)))

        self.assertTrue(is_python_integer(int(2)))
        if PY2:
            self.assertTrue(is_python_integer(long(2)))
        if HAS_GMPY:
            from gmpy2 import mpz
            self.assertTrue(is_python_integer(mpz(1)))

        if HAS_GMPY:
            from gmpy2 import mpz, mpq
            self.assertTrue(is_python_rational(mpz(1)))
            self.assertTrue(is_python_rational(mpq(1)))
        if PY2:
            self.assertTrue(is_python_rational(long(1)))

        self.assertTrue(is_python_rational(pyFraction(5)))
        self.assertTrue(is_python_rational(3))

        self.assertTrue(is_python_boolean(True))
        self.assertTrue(is_python_boolean(False))
Example #2
0
    def test_is_methods(self):
        self.assertFalse(is_pysmt_fraction(4))
        self.assertTrue(is_pysmt_fraction(Fraction(4)))

        self.assertFalse(is_pysmt_integer(4.0))
        self.assertTrue(is_pysmt_integer(Integer(4)))

        self.assertTrue(is_python_integer(int(2)))
        if PY2:
            self.assertTrue(is_python_integer(long(2)))
        if HAS_GMPY:
            from gmpy2 import mpz
            self.assertTrue(is_python_integer(mpz(1)))

        if HAS_GMPY:
            from gmpy2 import mpz, mpq
            self.assertTrue(is_python_rational(mpz(1)))
            self.assertTrue(is_python_rational(mpq(1)))
        if PY2:
            self.assertTrue(is_python_rational(long(1)))

        self.assertTrue(is_python_rational(pyFraction(5)))
        self.assertTrue(is_python_rational(3))

        self.assertTrue(is_python_boolean(True))
        self.assertTrue(is_python_boolean(False))
Example #3
0
    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
Example #4
0
    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
Example #5
0
 def walk_real_constant(self, formula):
     assert is_pysmt_fraction(formula.constant_value()), \
         "The type was " + str(type(formula.constant_value()))
     # TODO: Remove this once issue 113 in gmpy2 is solved
     v = formula.constant_value()
     n, d = v.numerator, v.denominator
     if formula.constant_value().denominator == 1:
         self.write("%s.0" % n)
     else:
         self.write("%s/%s" % (n, d))
Example #6
0
 def walk_real_constant(self, formula):
     assert is_pysmt_fraction(formula.constant_value()), \
         "The type was " + str(type(formula.constant_value()))
     # TODO: Remove this once issue 113 in gmpy2 is solved
     v = formula.constant_value()
     n,d = v.numerator, v.denominator
     if formula.constant_value().denominator == 1:
         self.write("%s.0" % n)
     else:
         self.write("%s/%s" % (n, d))