BitVecNumRef Class Reference

Inheritance diagram for BitVecNumRef:

Public Member Functions
def	as_long (self)
def	as_signed_long (self)
def	as_string (self)
def	as_binary_string (self)
def	py_value (self)
Public Member Functions inherited from BitVecRef
def	sort (self)
def	size (self)
def	__add__ (self, other)
def	__radd__ (self, other)
def	__mul__ (self, other)
def	__rmul__ (self, other)
def	__sub__ (self, other)
def	__rsub__ (self, other)
def	__or__ (self, other)
def	__ror__ (self, other)
def	__and__ (self, other)
def	__rand__ (self, other)
def	__xor__ (self, other)
def	__rxor__ (self, other)
def	__pos__ (self)
def	__neg__ (self)
def	__invert__ (self)
def	__div__ (self, other)
def	__truediv__ (self, other)
def	__rdiv__ (self, other)
def	__rtruediv__ (self, other)
def	__mod__ (self, other)
def	__rmod__ (self, other)
def	__le__ (self, other)
def	__lt__ (self, other)
def	__gt__ (self, other)
def	__ge__ (self, other)
def	__rshift__ (self, other)
def	__lshift__ (self, other)
def	__rrshift__ (self, other)
def	__rlshift__ (self, other)
Public Member Functions inherited from ExprRef
def	as_ast (self)
def	get_id (self)
def	sort (self)
def	sort_kind (self)
def	__eq__ (self, other)
def	__hash__ (self)
def	__ne__ (self, other)
def	params (self)
def	decl (self)
def	kind (self)
def	num_args (self)
def	arg (self, idx)
def	children (self)
def	update (self, args)
def	from_string (self, s)
def	serialize (self)
Public Member Functions inherited from AstRef
def	__init__
def	__del__ (self)
def	__deepcopy__
def	__str__ (self)
def	__repr__ (self)
def	__eq__ (self, other)
def	__hash__ (self)
def	__nonzero__ (self)
def	__bool__ (self)
def	sexpr (self)
def	as_ast (self)
def	get_id (self)
def	ctx_ref (self)
def	eq (self, other)
def	translate (self, target)
def	__copy__ (self)
def	hash (self)
def	py_value (self)
Public Member Functions inherited from Z3PPObject
def	use_pp (self)

Additional Inherited Members
Data Fields inherited from AstRef
	ast
	ctx

Detailed Description

Bit-vector values.

Definition at line 4062 of file z3py.py.

Member Function Documentation

def as_binary_string

(

self

)

Definition at line 4102 of file z3py.py.

    def as_binary_string(self):
        return Z3_get_numeral_binary_string(self.ctx_ref(), self.as_ast())

def as_long

(

self

)

Return a Z3 bit-vector numeral as a Python long (bignum) numeral.

>>> v = BitVecVal(0xbadc0de, 32)
>>> v
195936478
>>> print("0x%.8x" % v.as_long())
0x0badc0de

Definition at line 4065 of file z3py.py.

    def as_long(self):
        """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.

        >>> v = BitVecVal(0xbadc0de, 32)
        >>> v
        195936478
        >>> print("0x%.8x" % v.as_long())
        0x0badc0de
        """
        return int(self.as_string())

def as_signed_long

(

self

)

Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
The most significant bit is assumed to be the sign.

>>> BitVecVal(4, 3).as_signed_long()
-4
>>> BitVecVal(7, 3).as_signed_long()
-1
>>> BitVecVal(3, 3).as_signed_long()
3
>>> BitVecVal(2**32 - 1, 32).as_signed_long()
-1
>>> BitVecVal(2**64 - 1, 64).as_signed_long()
-1

Definition at line 4076 of file z3py.py.

    def as_signed_long(self):
        """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
        The most significant bit is assumed to be the sign.

        >>> BitVecVal(4, 3).as_signed_long()
        -4
        >>> BitVecVal(7, 3).as_signed_long()
        -1
        >>> BitVecVal(3, 3).as_signed_long()
        3
        >>> BitVecVal(2**32 - 1, 32).as_signed_long()
        -1
        >>> BitVecVal(2**64 - 1, 64).as_signed_long()
        -1
        """
        sz = self.size()
        val = self.as_long()
        if val >= 2**(sz - 1):
            val = val - 2**sz
        if val < -2**(sz - 1):
            val = val + 2**sz
        return int(val)

def as_string

(

self

)

Definition at line 4099 of file z3py.py.

Referenced by BitVecNumRef.as_long(), and FiniteDomainNumRef.as_long().

    def as_string(self):
        return Z3_get_numeral_string(self.ctx_ref(), self.as_ast())

def py_value

(

self

)

Return the Python value of a Z3 bit-vector numeral.

Definition at line 4105 of file z3py.py.

    def py_value(self):
        """Return the Python value of a Z3 bit-vector numeral."""
        return self.as_long()