BitVecSortRef Class Reference

Bit-Vectors. More...

Inheritance diagram for BitVecSortRef:

Public Member Functions
	size (self)
	subsort (self, other)
	cast (self, val)
Public Member Functions inherited from SortRef
	as_ast (self)
	get_id (self)
	kind (self)
	name (self)
	__eq__ (self, other)
	__ne__ (self, other)
	__gt__ (self, other)
	__hash__ (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)
	py_value (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-Vectors.

Bit-vector sort.

Definition at line 3534 of file z3py.py.

Member Function Documentation

cast()

cast	(		self,
			val )

Try to cast `val` as a Bit-Vector.

>>> b = BitVecSort(32)
>>> b.cast(10)
10
>>> b.cast(10).sexpr()
'#x0000000a'

Reimplemented from SortRef.

Definition at line 3549 of file z3py.py.

    def cast(self, val):
        """Try to cast `val` as a Bit-Vector.
 
        >>> b = BitVecSort(32)
        >>> b.cast(10)
        10
        >>> b.cast(10).sexpr()
        '#x0000000a'
        """
        if is_expr(val):
            if z3_debug():
                _z3_assert(self.ctx == val.ctx, "Context mismatch")
            # Idea: use sign_extend if sort of val is a bitvector of smaller size
            return val
        else:
            return BitVecVal(val, self)
 
 

size()

size

(

self

)

Return the size (number of bits) of the bit-vector sort `self`.

>>> b = BitVecSort(32)
>>> b.size()
32

Definition at line 3537 of file z3py.py.

    def size(self):
        """Return the size (number of bits) of the bit-vector sort `self`.
 
        >>> b = BitVecSort(32)
        >>> b.size()
        32
        """
        return int(Z3_get_bv_sort_size(self.ctx_ref(), self.ast))
 

Referenced by Goal.__len__(), ParamDescrsRef.__len__(), BitVecNumRef.as_signed_long(), and subsort().

subsort()

subsort	(		self,
			other )

Return `True` if `self` is a subsort of `other`.

>>> IntSort().subsort(RealSort())
True

Reimplemented from SortRef.

Definition at line 3546 of file z3py.py.

    def subsort(self, other):
        return is_bv_sort(other) and self.size() < other.size()