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)
 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 3985 of file z3py.py.

Member Function Documentation

◆ as_binary_string()

as_binary_string ( self)

Definition at line 4025 of file z3py.py.

4025 def as_binary_string(self):
4026 return Z3_get_numeral_binary_string(self.ctx_ref(), self.as_ast())
4027
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 3988 of file z3py.py.

3988 def as_long(self):
3989 """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
3990
3991 >>> v = BitVecVal(0xbadc0de, 32)
3992 >>> v
3993 195936478
3994 >>> print("0x%.8x" % v.as_long())
3995 0x0badc0de
3996 """
3997 return int(self.as_string())
3998

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 3999 of file z3py.py.

3999 def as_signed_long(self):
4000 """Return a Z3 bit-vector numeral as a Python long (bignum) numeral.
4001 The most significant bit is assumed to be the sign.
4002
4003 >>> BitVecVal(4, 3).as_signed_long()
4004 -4
4005 >>> BitVecVal(7, 3).as_signed_long()
4006 -1
4007 >>> BitVecVal(3, 3).as_signed_long()
4008 3
4009 >>> BitVecVal(2**32 - 1, 32).as_signed_long()
4010 -1
4011 >>> BitVecVal(2**64 - 1, 64).as_signed_long()
4012 -1
4013 """
4014 sz = self.size()
4015 val = self.as_long()
4016 if val >= 2**(sz - 1):
4017 val = val - 2**sz
4018 if val < -2**(sz - 1):
4019 val = val + 2**sz
4020 return int(val)
4021

◆ as_string()

as_string ( self)

Definition at line 4022 of file z3py.py.

4022 def as_string(self):
4023 return Z3_get_numeral_string(self.ctx_ref(), self.as_ast())
4024
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 4028 of file z3py.py.

4028 def py_value(self):
4029 """Return the Python value of a Z3 bit-vector numeral."""
4030 return self.as_long()
4031
4032
4033