Public Member Functions
def	__init__
def	__del__
def	num_args
def	arg_value
def	value
def	as_list
def	__repr__
Data Fields
	entry
	ctx

Detailed Description

Store the value of the interpretation of a function in a particular point.

Definition at line 5117 of file z3py.py.

Constructor & Destructor Documentation

def __init__	(	self,
		entry,
		ctx
	)

Definition at line 5120 of file z3py.py.

05120 
05121     def __init__(self, entry, ctx):
05122         self.entry = entry
05123         self.ctx   = ctx
05124         Z3_func_entry_inc_ref(self.ctx.ref(), self.entry)

def __del__ ( self )

Definition at line 5125 of file z3py.py.

05125 
05126     def __del__(self):
05127         Z3_func_entry_dec_ref(self.ctx.ref(), self.entry)

Member Function Documentation

def __repr__ ( self )

Definition at line 5218 of file z3py.py.

05218 
05219     def __repr__(self):
        return repr(self.as_list())

def arg_value	(	self,
		idx
	)

Return the value of argument `idx`.

>>> f = Function('f', IntSort(), IntSort(), IntSort())
>>> s = Solver()
>>> s.add(f(0, 1) == 10, f(1, 2) == 20, f(1, 0) == 10)
>>> s.check()
sat
>>> m = s.model()
>>> f_i = m[f]
>>> f_i.num_entries()
3
>>> e = f_i.entry(0)
>>> e
[0, 1, 10]
>>> e.num_args()
2
>>> e.arg_value(0)
0
>>> e.arg_value(1)
1
>>> try:
...   e.arg_value(2)
... except IndexError:
...   print("index error")
index error

Definition at line 5146 of file z3py.py.

05146 
05147     def arg_value(self, idx):
05148         """Return the value of argument `idx`.
05149         
05150         >>> f = Function('f', IntSort(), IntSort(), IntSort())
05151         >>> s = Solver()
05152         >>> s.add(f(0, 1) == 10, f(1, 2) == 20, f(1, 0) == 10)
05153         >>> s.check()
05154         sat
05155         >>> m = s.model()
05156         >>> f_i = m[f]
05157         >>> f_i.num_entries()
05158         3
05159         >>> e = f_i.entry(0)
05160         >>> e
05161         [0, 1, 10]
05162         >>> e.num_args()
05163         2
05164         >>> e.arg_value(0)
05165         0
05166         >>> e.arg_value(1)
05167         1
05168         >>> try:
05169         ...   e.arg_value(2)
05170         ... except IndexError:
05171         ...   print("index error")
05172         index error
05173         """
05174         if idx >= self.num_args():
05175             raise IndexError
05176         return _to_expr_ref(Z3_func_entry_get_arg(self.ctx.ref(), self.entry, idx), self.ctx)

def as_list ( self )

Return entry `self` as a Python list.
>>> f = Function('f', IntSort(), IntSort(), IntSort())
>>> s = Solver()
>>> s.add(f(0, 1) == 10, f(1, 2) == 20, f(1, 0) == 10)
>>> s.check()
sat
>>> m = s.model()
>>> f_i = m[f]
>>> f_i.num_entries()
3
>>> e = f_i.entry(0)
>>> e.as_list()
[0, 1, 10]

Definition at line 5199 of file z3py.py.

Referenced by FuncEntry.__repr__().

05199 
05200     def as_list(self):
05201         """Return entry `self` as a Python list.
05202         >>> f = Function('f', IntSort(), IntSort(), IntSort())
05203         >>> s = Solver()
05204         >>> s.add(f(0, 1) == 10, f(1, 2) == 20, f(1, 0) == 10)
05205         >>> s.check()
05206         sat
05207         >>> m = s.model()
05208         >>> f_i = m[f]
05209         >>> f_i.num_entries()
05210         3
05211         >>> e = f_i.entry(0)
05212         >>> e.as_list()
05213         [0, 1, 10]
05214         """
05215         args = [ self.arg_value(i) for i in range(self.num_args())]
05216         args.append(self.value())
05217         return args

def num_args ( self )

Return the number of arguments in the given entry.

>>> f = Function('f', IntSort(), IntSort(), IntSort())
>>> s = Solver()
>>> s.add(f(0, 1) == 10, f(1, 2) == 20, f(1, 0) == 10)
>>> s.check()
sat
>>> m = s.model()
>>> f_i = m[f]
>>> f_i.num_entries()
3
>>> e = f_i.entry(0)
>>> e.num_args()
2

Definition at line 5128 of file z3py.py.

Referenced by FuncEntry.arg_value(), and FuncEntry.as_list().

05128 
05129     def num_args(self):
05130         """Return the number of arguments in the given entry.
05131         
05132         >>> f = Function('f', IntSort(), IntSort(), IntSort())
05133         >>> s = Solver()
05134         >>> s.add(f(0, 1) == 10, f(1, 2) == 20, f(1, 0) == 10)
05135         >>> s.check()
05136         sat
05137         >>> m = s.model()
05138         >>> f_i = m[f]
05139         >>> f_i.num_entries()
05140         3
05141         >>> e = f_i.entry(0)
05142         >>> e.num_args()
05143         2
05144         """
05145         return int(Z3_func_entry_get_num_args(self.ctx.ref(), self.entry))

def value ( self )

Return the value of the function at point `self`.

>>> f = Function('f', IntSort(), IntSort(), IntSort())
>>> s = Solver()
>>> s.add(f(0, 1) == 10, f(1, 2) == 20, f(1, 0) == 10)
>>> s.check()
sat
>>> m = s.model()
>>> f_i = m[f]
>>> f_i.num_entries()
3
>>> e = f_i.entry(0)
>>> e
[0, 1, 10]
>>> e.num_args()
2
>>> e.value()
10

Definition at line 5177 of file z3py.py.

Referenced by FuncEntry.as_list().

05177 
05178     def value(self):
05179         """Return the value of the function at point `self`.
05180         
05181         >>> f = Function('f', IntSort(), IntSort(), IntSort())
05182         >>> s = Solver()
05183         >>> s.add(f(0, 1) == 10, f(1, 2) == 20, f(1, 0) == 10)
05184         >>> s.check()
05185         sat
05186         >>> m = s.model()
05187         >>> f_i = m[f]
05188         >>> f_i.num_entries()
05189         3
05190         >>> e = f_i.entry(0)
05191         >>> e
05192         [0, 1, 10]
05193         >>> e.num_args()
05194         2
05195         >>> e.value()
05196         10
05197         """
05198         return _to_expr_ref(Z3_func_entry_get_value(self.ctx.ref(), self.entry), self.ctx)

Field Documentation

ctx

Definition at line 5120 of file z3py.py.

Referenced by ArithRef.__add__(), BitVecRef.__add__(), BitVecRef.__and__(), FuncDeclRef.__call__(), ArithRef.__div__(), BitVecRef.__div__(), ExprRef.__eq__(), Probe.__eq__(), ArithRef.__ge__(), BitVecRef.__ge__(), Probe.__ge__(), ArrayRef.__getitem__(), ApplyResult.__getitem__(), ArithRef.__gt__(), BitVecRef.__gt__(), Probe.__gt__(), BitVecRef.__invert__(), ArithRef.__le__(), BitVecRef.__le__(), Probe.__le__(), BitVecRef.__lshift__(), ArithRef.__lt__(), BitVecRef.__lt__(), Probe.__lt__(), ArithRef.__mod__(), BitVecRef.__mod__(), ArithRef.__mul__(), BitVecRef.__mul__(), ExprRef.__ne__(), Probe.__ne__(), ArithRef.__neg__(), BitVecRef.__neg__(), BitVecRef.__or__(), ArithRef.__pow__(), ArithRef.__radd__(), BitVecRef.__radd__(), BitVecRef.__rand__(), ArithRef.__rdiv__(), BitVecRef.__rdiv__(), BitVecRef.__rlshift__(), ArithRef.__rmod__(), BitVecRef.__rmod__(), ArithRef.__rmul__(), BitVecRef.__rmul__(), BitVecRef.__ror__(), ArithRef.__rpow__(), BitVecRef.__rrshift__(), BitVecRef.__rshift__(), ArithRef.__rsub__(), BitVecRef.__rsub__(), BitVecRef.__rxor__(), ArithRef.__sub__(), BitVecRef.__sub__(), BitVecRef.__xor__(), DatatypeSortRef.accessor(), Fixedpoint.add_rule(), Optimize.add_soft(), Tactic.apply(), AlgebraicNumRef.approx(), ExprRef.arg(), FuncEntry.arg_value(), ApplyResult.as_expr(), Fixedpoint.assert_exprs(), QuantifierRef.body(), BoolSortRef.cast(), DatatypeSortRef.constructor(), ApplyResult.convert_model(), ExprRef.decl(), RatNumRef.denominator(), FuncDeclRef.domain(), ArraySortRef.domain(), Fixedpoint.get_answer(), Fixedpoint.get_assertions(), Fixedpoint.get_cover_delta(), Fixedpoint.get_rules(), SortRef.kind(), ArrayRef.mk_default(), Optimize.model(), SortRef.name(), FuncDeclRef.name(), QuantifierRef.no_pattern(), RatNumRef.numerator(), Fixedpoint.param_descrs(), Optimize.param_descrs(), Tactic.param_descrs(), Fixedpoint.parse_file(), Fixedpoint.parse_string(), QuantifierRef.pattern(), Fixedpoint.query(), FuncDeclRef.range(), ArraySortRef.range(), DatatypeSortRef.recognizer(), Fixedpoint.set(), Optimize.set(), Tactic.solver(), ExprRef.sort(), BoolRef.sort(), QuantifierRef.sort(), ArithRef.sort(), BitVecRef.sort(), ArrayRef.sort(), DatatypeRef.sort(), Fixedpoint.statistics(), Optimize.statistics(), Solver.to_smt2(), Fixedpoint.update_rule(), FuncEntry.value(), QuantifierRef.var_name(), and QuantifierRef.var_sort().

entry

Definition at line 5120 of file z3py.py.

Referenced by FuncEntry::__del__(), FuncEntry::arg_value(), FuncEntry::num_args(), and FuncEntry::value().

Public Member Functions

Data Fields

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation