Z3
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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)
 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)
 __eq__ (self, other)
 __hash__ (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 AstRef
 ast = ast
 ctx = _get_ctx(ctx)
Protected Member Functions inherited from Z3PPObject
 _repr_html_ (self)

Detailed Description

Bit-vector values.

Definition at line 4072 of file z3py.py.

Member Function Documentation

◆ as_binary_string()

as_binary_string ( self)

Definition at line 4112 of file z3py.py.

4112 def as_binary_string(self):
4113 return Z3_get_numeral_binary_string(self.ctx_ref(), self.as_ast())
4114
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 4075 of file z3py.py.

4075 def as_long(self):
4076 """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
4077
4078 >>> v = BitVecVal(0xbadc0de, 32)
4079 >>> v
4080 195936478
4081 >>> print("0x%.8x" % v.as_long())
4082 0x0badc0de
4083 """
4084 return int(self.as_string())
4085

Referenced by as_signed_long(), and 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 4086 of file z3py.py.

4086 def as_signed_long(self):
4087 """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
4088 The most significant bit is assumed to be the sign.
4089
4090 >>> BitVecVal(4, 3).as_signed_long()
4091 -4
4092 >>> BitVecVal(7, 3).as_signed_long()
4093 -1
4094 >>> BitVecVal(3, 3).as_signed_long()
4095 3
4096 >>> BitVecVal(2**32 - 1, 32).as_signed_long()
4097 -1
4098 >>> BitVecVal(2**64 - 1, 64).as_signed_long()
4099 -1
4100 """
4101 sz = self.size()
4102 val = self.as_long()
4103 if val >= 2**(sz - 1):
4104 val = val - 2**sz
4105 if val < -2**(sz - 1):
4106 val = val + 2**sz
4107 return int(val)
4108

◆ as_string()

as_string ( self)

Definition at line 4109 of file z3py.py.

4109 def as_string(self):
4110 return Z3_get_numeral_string(self.ctx_ref(), self.as_ast())
4111
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 as_long().

◆ py_value()

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

Reimplemented from AstRef.

Definition at line 4115 of file z3py.py.

4115 def py_value(self):
4116 """Return the Python value of a Z3 bit-vector numeral."""
4117 return self.as_long()
4118
4119
4120