ParamsRef Class Reference

Parameter Sets. More...

Public Member Functions
def	__init__ (self, ctx=None, params=None)
def	__deepcopy__ (self, memo={})
def	__del__ (self)
def	set (self, name, val)
def	__repr__ (self)
def	validate (self, ds)

Data Fields
	ctx
	params

Detailed Description

Parameter Sets.

Set of parameters used to configure Solvers, Tactics and Simplifiers in Z3.

Consider using the function `args2params` to create instances of this object.

Definition at line 5067 of file z3py.py.

Constructor & Destructor Documentation

__init__()

def __init__	(		self,
			ctx = None,
			params = None
	)

Definition at line 5072 of file z3py.py.

    def __init__(self, ctx=None, params=None):
        self.ctx    = _get_ctx(ctx)
        if params is None:
            self.params = Z3_mk_params(self.ctx.ref())
        else:
            self.params = params
        Z3_params_inc_ref(self.ctx.ref(), self.params)
 

__del__()

def __del__

(

self

)

Definition at line 5083 of file z3py.py.

    def __del__(self):
        if self.ctx.ref() is not None:
           Z3_params_dec_ref(self.ctx.ref(), self.params)
 

Member Function Documentation

__deepcopy__()

def __deepcopy__	(		self,
			memo = {}
	)

Definition at line 5080 of file z3py.py.

    def __deepcopy__(self, memo={}):
        return ParamsRef(self.ctx, self.params)
 

__repr__()

def __repr__

(

self

)

Definition at line 5104 of file z3py.py.

    def __repr__(self):
        return Z3_params_to_string(self.ctx.ref(), self.params)
 

set()

def set	(		self,
			name,
			val
	)

Set parameter name with value val.

Definition at line 5087 of file z3py.py.

    def set(self, name, val):
        """Set parameter name with value val."""
        if z3_debug():
            _z3_assert(isinstance(name, str), "parameter name must be a string")
        name_sym = to_symbol(name, self.ctx)
        if isinstance(val, bool):
            Z3_params_set_bool(self.ctx.ref(), self.params, name_sym, val)
        elif _is_int(val):
            Z3_params_set_uint(self.ctx.ref(), self.params, name_sym, val)
        elif isinstance(val, float):
            Z3_params_set_double(self.ctx.ref(), self.params, name_sym, val)
        elif isinstance(val, str):
            Z3_params_set_symbol(self.ctx.ref(), self.params, name_sym, to_symbol(val, self.ctx))
        else:
            if z3_debug():
                _z3_assert(False, "invalid parameter value")
 

validate()

def validate	(		self,
			ds
	)

Definition at line 5107 of file z3py.py.

    def validate(self, ds):
        _z3_assert(isinstance(ds, ParamDescrsRef), "parameter description set expected")
        Z3_params_validate(self.ctx.ref(), self.params, ds.descr)
 

Field Documentation

ctx

ctx

Definition at line 5073 of file z3py.py.

Referenced by Probe.__call__(), AstMap.__contains__(), Goal.__copy__(), AstVector.__copy__(), FuncInterp.__copy__(), ModelRef.__copy__(), Solver.__copy__(), ParamsRef.__deepcopy__(), ParamDescrsRef.__deepcopy__(), Goal.__deepcopy__(), AstVector.__deepcopy__(), AstMap.__deepcopy__(), FuncEntry.__deepcopy__(), FuncInterp.__deepcopy__(), ModelRef.__deepcopy__(), Statistics.__deepcopy__(), Solver.__deepcopy__(), Fixedpoint.__deepcopy__(), Optimize.__deepcopy__(), ApplyResult.__deepcopy__(), Tactic.__deepcopy__(), Probe.__deepcopy__(), ParamsRef.__del__(), ParamDescrsRef.__del__(), Goal.__del__(), AstVector.__del__(), AstMap.__del__(), FuncEntry.__del__(), FuncInterp.__del__(), ModelRef.__del__(), Statistics.__del__(), Solver.__del__(), Fixedpoint.__del__(), Optimize.__del__(), ApplyResult.__del__(), Tactic.__del__(), Probe.__del__(), Probe.__eq__(), Probe.__ge__(), AstVector.__getitem__(), AstMap.__getitem__(), ModelRef.__getitem__(), Statistics.__getitem__(), ApplyResult.__getitem__(), Probe.__gt__(), Probe.__le__(), AstVector.__len__(), AstMap.__len__(), ModelRef.__len__(), Statistics.__len__(), ApplyResult.__len__(), Probe.__lt__(), Probe.__ne__(), ParamsRef.__repr__(), ParamDescrsRef.__repr__(), AstMap.__repr__(), Statistics.__repr__(), AstVector.__setitem__(), AstMap.__setitem__(), Fixedpoint.add_cover(), Fixedpoint.add_rule(), Optimize.add_soft(), Tactic.apply(), FuncEntry.arg_value(), FuncInterp.arity(), Goal.as_expr(), ApplyResult.as_expr(), Solver.assert_and_track(), Optimize.assert_and_track(), Goal.assert_exprs(), Solver.assert_exprs(), Fixedpoint.assert_exprs(), Optimize.assert_exprs(), Solver.assertions(), Optimize.assertions(), Solver.check(), Optimize.check(), UserPropagateBase.conflict(), Solver.consequences(), Goal.convert_model(), UserPropagateBase.ctx_ref(), ModelRef.decls(), Goal.depth(), Goal.dimacs(), Solver.dimacs(), FuncInterp.else_value(), FuncInterp.entry(), AstMap.erase(), ModelRef.eval(), Solver.from_file(), Optimize.from_file(), Solver.from_string(), Optimize.from_string(), Goal.get(), Fixedpoint.get_answer(), Fixedpoint.get_assertions(), Fixedpoint.get_cover_delta(), ParamDescrsRef.get_documentation(), Fixedpoint.get_ground_sat_answer(), ModelRef.get_interp(), Statistics.get_key_value(), ParamDescrsRef.get_kind(), ParamDescrsRef.get_name(), Fixedpoint.get_num_levels(), Fixedpoint.get_rule_names_along_trace(), Fixedpoint.get_rules(), Fixedpoint.get_rules_along_trace(), ModelRef.get_sort(), ModelRef.get_universe(), Solver.help(), Fixedpoint.help(), Optimize.help(), Tactic.help(), Solver.import_model_converter(), Goal.inconsistent(), AstMap.keys(), Statistics.keys(), Optimize.maximize(), Optimize.minimize(), Solver.model(), Optimize.model(), Solver.non_units(), FuncEntry.num_args(), FuncInterp.num_entries(), Solver.num_scopes(), ModelRef.num_sorts(), Optimize.objectives(), Solver.param_descrs(), Fixedpoint.param_descrs(), Optimize.param_descrs(), Tactic.param_descrs(), Fixedpoint.parse_file(), Fixedpoint.parse_string(), Solver.pop(), Optimize.pop(), Goal.prec(), Solver.proof(), AstVector.push(), Solver.push(), Optimize.push(), Fixedpoint.query(), Fixedpoint.query_from_lvl(), Solver.reason_unknown(), Fixedpoint.reason_unknown(), Optimize.reason_unknown(), Fixedpoint.register_relation(), AstMap.reset(), Solver.reset(), AstVector.resize(), ParamsRef.set(), Solver.set(), Fixedpoint.set(), Optimize.set(), Fixedpoint.set_predicate_representation(), Goal.sexpr(), AstVector.sexpr(), ModelRef.sexpr(), Solver.sexpr(), Fixedpoint.sexpr(), Optimize.sexpr(), ApplyResult.sexpr(), ParamDescrsRef.size(), Goal.size(), Tactic.solver(), Solver.statistics(), Fixedpoint.statistics(), Optimize.statistics(), Solver.to_smt2(), Fixedpoint.to_string(), Solver.trail(), Solver.trail_levels(), Goal.translate(), AstVector.translate(), FuncInterp.translate(), ModelRef.translate(), Solver.translate(), Solver.units(), Solver.unsat_core(), Optimize.unsat_core(), Fixedpoint.update_rule(), ParamsRef.validate(), and FuncEntry.value().

params

params

Definition at line 5075 of file z3py.py.

Referenced by ParamsRef.__deepcopy__(), ParamsRef.__del__(), ParamsRef.__repr__(), ParamsRef.set(), and ParamsRef.validate().