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 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 __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 3442 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 3445 of file z3py.py.

3445  def as_long(self):
3446  """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
3447 
3448  >>> v = BitVecVal(0xbadc0de, 32)
3449  >>> v
3450  195936478
3451  >>> print("0x%.8x" % v.as_long())
3452  0x0badc0de
3453  """
3454  return int(self.as_string())
3455 

§ 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 3456 of file z3py.py.

3456  def as_signed_long(self):
3457  """Return a Z3 bit-vector numeral as a Python long (bignum) numeral. The most significant bit is assumed to be the sign.
3458 
3459  >>> BitVecVal(4, 3).as_signed_long()
3460  -4
3461  >>> BitVecVal(7, 3).as_signed_long()
3462  -1
3463  >>> BitVecVal(3, 3).as_signed_long()
3464  3
3465  >>> BitVecVal(2**32 - 1, 32).as_signed_long()
3466  -1
3467  >>> BitVecVal(2**64 - 1, 64).as_signed_long()
3468  -1
3469  """
3470  sz = self.size()
3471  val = self.as_long()
3472  if val >= 2**(sz - 1):
3473  val = val - 2**sz
3474  if val < -2**(sz - 1):
3475  val = val + 2**sz
3476  return int(val)
3477 

§ as_string()

def as_string (   self)

Definition at line 3478 of file z3py.py.

Referenced by FiniteDomainNumRef.as_long().

3478  def as_string(self):
3479  return Z3_get_numeral_string(self.ctx_ref(), self.as_ast())
3480 
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.