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)
 
def as_binary_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_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 __nonzero__ (self)
 
def __bool__ (self)
 
def sexpr (self)
 
def ctx_ref (self)
 
def eq (self, other)
 
def translate (self, target)
 
def __copy__ (self)
 
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 3681 of file z3py.py.

Member Function Documentation

◆ as_binary_string()

def as_binary_string (   self)

Definition at line 3720 of file z3py.py.

3720  def as_binary_string(self):
3721  return Z3_get_numeral_binary_string(self.ctx_ref(), self.as_ast())
3722 
3723 

◆ 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 3684 of file z3py.py.

3684  def as_long(self):
3685  """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
3686 
3687  >>> v = BitVecVal(0xbadc0de, 32)
3688  >>> v
3689  195936478
3690  >>> print("0x%.8x" % v.as_long())
3691  0x0badc0de
3692  """
3693  return int(self.as_string())
3694 

Referenced by BitVecNumRef.as_signed_long().

◆ 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 3695 of file z3py.py.

3695  def as_signed_long(self):
3696  """Return a Z3 bit-vector numeral as a Python long (bignum) numeral. The most significant bit is assumed to be the sign.
3697 
3698  >>> BitVecVal(4, 3).as_signed_long()
3699  -4
3700  >>> BitVecVal(7, 3).as_signed_long()
3701  -1
3702  >>> BitVecVal(3, 3).as_signed_long()
3703  3
3704  >>> BitVecVal(2**32 - 1, 32).as_signed_long()
3705  -1
3706  >>> BitVecVal(2**64 - 1, 64).as_signed_long()
3707  -1
3708  """
3709  sz = self.size()
3710  val = self.as_long()
3711  if val >= 2**(sz - 1):
3712  val = val - 2**sz
3713  if val < -2**(sz - 1):
3714  val = val + 2**sz
3715  return int(val)
3716 

◆ as_string()

def as_string (   self)

Definition at line 3717 of file z3py.py.

3717  def as_string(self):
3718  return Z3_get_numeral_string(self.ctx_ref(), self.as_ast())
3719 

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

Z3_get_numeral_binary_string
Z3_string Z3_API Z3_get_numeral_binary_string(Z3_context c, Z3_ast a)
Return numeral value, as a binary string of a numeric constant term.
Z3_get_numeral_string
Z3_string Z3_API Z3_get_numeral_string(Z3_context c, Z3_ast a)
Return numeral value, as a decimal string of a numeric constant term.