ParamsRef Class Reference

Parameter Sets. More...

Public Member Functions
def	__init__
def	__deepcopy__
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 5649 of file z3py.py.

Constructor & Destructor Documentation

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

Definition at line 5655 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)

def __del__

(

self

)

Definition at line 5666 of file z3py.py.

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

Member Function Documentation

def __deepcopy__	(		self,
			memo = {}
	)

Definition at line 5663 of file z3py.py.

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

def __repr__

(

self

)

Definition at line 5687 of file z3py.py.

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

def set	(		self,
			name,
			val
	)

Set parameter name with value val.

Definition at line 5670 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")

def validate	(		self,
			ds
	)

Definition at line 5690 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

Definition at line 5656 of file z3py.py.

Referenced by Goal.__copy__(), AstVector.__copy__(), FuncInterp.__copy__(), ModelRef.__copy__(), ParamsRef.__deepcopy__(), ParamDescrsRef.__deepcopy__(), Goal.__deepcopy__(), AstVector.__deepcopy__(), AstMap.__deepcopy__(), FuncEntry.__deepcopy__(), FuncInterp.__deepcopy__(), ModelRef.__deepcopy__(), Fixedpoint.__deepcopy__(), Optimize.__deepcopy__(), ApplyResult.__deepcopy__(), Simplifier.__deepcopy__(), Tactic.__deepcopy__(), Probe.__deepcopy__(), Probe.__eq__(), Probe.__ge__(), AstVector.__getitem__(), AstMap.__getitem__(), ModelRef.__getitem__(), ApplyResult.__getitem__(), Probe.__gt__(), Probe.__le__(), Probe.__lt__(), Probe.__ne__(), Simplifier.add(), Fixedpoint.add_rule(), Optimize.add_soft(), Tactic.apply(), FuncEntry.arg_value(), Goal.as_expr(), ApplyResult.as_expr(), Optimize.assert_and_track(), Goal.assert_exprs(), Fixedpoint.assert_exprs(), Optimize.assert_exprs(), Optimize.assertions(), Goal.convert_model(), ModelRef.decls(), FuncInterp.else_value(), FuncInterp.entry(), ModelRef.eval(), ParserContext.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(), ParamDescrsRef.get_kind(), ParamDescrsRef.get_name(), Fixedpoint.get_rule_names_along_trace(), Fixedpoint.get_rules(), Fixedpoint.get_rules_along_trace(), ModelRef.get_sort(), ModelRef.get_universe(), AstMap.keys(), Optimize.model(), Optimize.objectives(), Fixedpoint.param_descrs(), Optimize.param_descrs(), Simplifier.param_descrs(), Tactic.param_descrs(), Fixedpoint.parse_file(), Fixedpoint.parse_string(), ModelRef.project(), ModelRef.project_with_witness(), Fixedpoint.query(), ParamsRef.set(), Fixedpoint.set(), Optimize.set(), Optimize.set_on_model(), Tactic.solver(), Fixedpoint.statistics(), Optimize.statistics(), Solver.to_smt2(), Optimize.unsat_core(), Fixedpoint.update_rule(), Simplifier.using_params(), and FuncEntry.value().

params

Definition at line 5658 of file z3py.py.

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