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BitVecNumRef Class Reference
+ Inheritance diagram for BitVecNumRef:

Public Member Functions

 as_long (self)
 
 as_signed_long (self)
 
 as_string (self)
 
 as_binary_string (self)
 
- Public Member Functions inherited from BitVecRef
 sort (self)
 
 size (self)
 
 __add__ (self, other)
 
 __radd__ (self, other)
 
 __mul__ (self, other)
 
 __rmul__ (self, other)
 
 __sub__ (self, other)
 
 __rsub__ (self, other)
 
 __or__ (self, other)
 
 __ror__ (self, other)
 
 __and__ (self, other)
 
 __rand__ (self, other)
 
 __xor__ (self, other)
 
 __rxor__ (self, other)
 
 __pos__ (self)
 
 __neg__ (self)
 
 __invert__ (self)
 
 __div__ (self, other)
 
 __truediv__ (self, other)
 
 __rdiv__ (self, other)
 
 __rtruediv__ (self, other)
 
 __mod__ (self, other)
 
 __rmod__ (self, other)
 
 __le__ (self, other)
 
 __lt__ (self, other)
 
 __gt__ (self, other)
 
 __ge__ (self, other)
 
 __rshift__ (self, other)
 
 __lshift__ (self, other)
 
 __rrshift__ (self, other)
 
 __rlshift__ (self, other)
 
- Public Member Functions inherited from ExprRef
 as_ast (self)
 
 get_id (self)
 
 sort_kind (self)
 
 __eq__ (self, other)
 
 __hash__ (self)
 
 __ne__ (self, other)
 
 params (self)
 
 decl (self)
 
 num_args (self)
 
 arg (self, idx)
 
 children (self)
 
 from_string (self, s)
 
 serialize (self)
 
- Public Member Functions inherited from AstRef
 __init__ (self, ast, ctx=None)
 
 __del__ (self)
 
 __deepcopy__ (self, memo={})
 
 __str__ (self)
 
 __repr__ (self)
 
 __nonzero__ (self)
 
 __bool__ (self)
 
 sexpr (self)
 
 ctx_ref (self)
 
 eq (self, other)
 
 translate (self, target)
 
 __copy__ (self)
 
 hash (self)
 
- Public Member Functions inherited from Z3PPObject
 use_pp (self)
 

Additional Inherited Members

- Data Fields inherited from BitVecRef
 ctx = _coerce_exprs(self, other)
 
- Data Fields inherited from ExprRef
 ctx
 
- Data Fields inherited from AstRef
 ast = ast
 
 ctx = _get_ctx(ctx)
 
- Protected Member Functions inherited from Z3PPObject
 _repr_html_ (self)
 

Detailed Description

Bit-vector values.

Definition at line 3946 of file z3py.py.

Member Function Documentation

◆ as_binary_string()

as_binary_string ( self)

Definition at line 3986 of file z3py.py.

3986 def as_binary_string(self):
3987 return Z3_get_numeral_binary_string(self.ctx_ref(), self.as_ast())
3988
3989
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.

◆ as_long()

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 3949 of file z3py.py.

3949 def as_long(self):
3950 """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
3951
3952 >>> v = BitVecVal(0xbadc0de, 32)
3953 >>> v
3954 195936478
3955 >>> print("0x%.8x" % v.as_long())
3956 0x0badc0de
3957 """
3958 return int(self.as_string())
3959

Referenced by BitVecNumRef.as_signed_long().

◆ as_signed_long()

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 3960 of file z3py.py.

3960 def as_signed_long(self):
3961 """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
3962 The most significant bit is assumed to be the sign.
3963
3964 >>> BitVecVal(4, 3).as_signed_long()
3965 -4
3966 >>> BitVecVal(7, 3).as_signed_long()
3967 -1
3968 >>> BitVecVal(3, 3).as_signed_long()
3969 3
3970 >>> BitVecVal(2**32 - 1, 32).as_signed_long()
3971 -1
3972 >>> BitVecVal(2**64 - 1, 64).as_signed_long()
3973 -1
3974 """
3975 sz = self.size()
3976 val = self.as_long()
3977 if val >= 2**(sz - 1):
3978 val = val - 2**sz
3979 if val < -2**(sz - 1):
3980 val = val + 2**sz
3981 return int(val)
3982

◆ as_string()

as_string ( self)

Definition at line 3983 of file z3py.py.

3983 def as_string(self):
3984 return Z3_get_numeral_string(self.ctx_ref(), self.as_ast())
3985
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.

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