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

Public Member Functions

 as_long (self)
 
 as_signed_long (self)
 
 as_string (self)
 
 as_binary_string (self)
 
 py_value (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)
 
 kind (self)
 
 num_args (self)
 
 arg (self, idx)
 
 children (self)
 
 update (self, *args)
 
 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
 
- Data Fields inherited from ExprRef
 ctx
 
 ast
 
- Data Fields inherited from AstRef
 ast
 
 ctx
 
- Protected Member Functions inherited from Z3PPObject
 _repr_html_ (self)
 

Detailed Description

Bit-vector values.

Definition at line 4050 of file z3py.py.

Member Function Documentation

◆ as_binary_string()

as_binary_string (   self)

Definition at line 4090 of file z3py.py.

4090 def as_binary_string(self):
4091 return Z3_get_numeral_binary_string(self.ctx_ref(), self.as_ast())
4092
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 4053 of file z3py.py.

4053 def as_long(self):
4054 """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
4055
4056 >>> v = BitVecVal(0xbadc0de, 32)
4057 >>> v
4058 195936478
4059 >>> print("0x%.8x" % v.as_long())
4060 0x0badc0de
4061 """
4062 return int(self.as_string())
4063

Referenced by BitVecNumRef.as_signed_long(), IntNumRef.py_value(), and BitVecNumRef.py_value().

◆ 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 4064 of file z3py.py.

4064 def as_signed_long(self):
4065 """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
4066 The most significant bit is assumed to be the sign.
4067
4068 >>> BitVecVal(4, 3).as_signed_long()
4069 -4
4070 >>> BitVecVal(7, 3).as_signed_long()
4071 -1
4072 >>> BitVecVal(3, 3).as_signed_long()
4073 3
4074 >>> BitVecVal(2**32 - 1, 32).as_signed_long()
4075 -1
4076 >>> BitVecVal(2**64 - 1, 64).as_signed_long()
4077 -1
4078 """
4079 sz = self.size()
4080 val = self.as_long()
4081 if val >= 2**(sz - 1):
4082 val = val - 2**sz
4083 if val < -2**(sz - 1):
4084 val = val + 2**sz
4085 return int(val)
4086

◆ as_string()

as_string (   self)

Definition at line 4087 of file z3py.py.

4087 def as_string(self):
4088 return Z3_get_numeral_string(self.ctx_ref(), self.as_ast())
4089
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 IntNumRef.as_long(), and BitVecNumRef.as_long().

◆ py_value()

py_value (   self)
Return the Python value of a Z3 bit-vector numeral.

Reimplemented from AstRef.

Definition at line 4093 of file z3py.py.

4093 def py_value(self):
4094 """Return the Python value of a Z3 bit-vector numeral."""
4095 return self.as_long()
4096
4097
4098