Z3
Public Member Functions
BitVecNumRef Class Reference
+ Inheritance diagram for BitVecNumRef:

Public Member Functions

def as_long (self)
 
def as_signed_long (self)
 
def as_string (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 num_args (self)
 
def arg (self, idx)
 
def children (self)
 
- Public Member Functions inherited from AstRef
def __init__ (self, ast, ctx=None)
 
def __del__ (self)
 
def __deepcopy__ (self, memo={})
 
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 hash (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 3483 of file z3py.py.

Member Function Documentation

◆ as_long()

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 3486 of file z3py.py.

3486  def as_long(self):
3487  """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
3488 
3489  >>> v = BitVecVal(0xbadc0de, 32)
3490  >>> v
3491  195936478
3492  >>> print("0x%.8x" % v.as_long())
3493  0x0badc0de
3494  """
3495  return int(self.as_string())
3496 

◆ as_signed_long()

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 3497 of file z3py.py.

3497  def as_signed_long(self):
3498  """Return a Z3 bit-vector numeral as a Python long (bignum) numeral. The most significant bit is assumed to be the sign.
3499 
3500  >>> BitVecVal(4, 3).as_signed_long()
3501  -4
3502  >>> BitVecVal(7, 3).as_signed_long()
3503  -1
3504  >>> BitVecVal(3, 3).as_signed_long()
3505  3
3506  >>> BitVecVal(2**32 - 1, 32).as_signed_long()
3507  -1
3508  >>> BitVecVal(2**64 - 1, 64).as_signed_long()
3509  -1
3510  """
3511  sz = self.size()
3512  val = self.as_long()
3513  if val >= 2**(sz - 1):
3514  val = val - 2**sz
3515  if val < -2**(sz - 1):
3516  val = val + 2**sz
3517  return int(val)
3518 

◆ as_string()

def as_string (   self)

Definition at line 3519 of file z3py.py.

Referenced by FiniteDomainNumRef.as_long().

3519  def as_string(self):
3520  return Z3_get_numeral_string(self.ctx_ref(), self.as_ast())
3521 
Z3_string Z3_API Z3_get_numeral_string(Z3_context c, Z3_ast a)
Return numeral value, as a string of a numeric constant term.