Z3
Public Member Functions | Data Fields
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 5412 of file z3py.py.

Constructor & Destructor Documentation

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

Definition at line 5418 of file z3py.py.

5418  def __init__(self, ctx=None, params=None):
5419  self.ctx = _get_ctx(ctx)
5420  if params is None:
5421  self.params = Z3_mk_params(self.ctx.ref())
5422  else:
5423  self.params = params
5424  Z3_params_inc_ref(self.ctx.ref(), self.params)
5425 
Z3_params Z3_API Z3_mk_params(Z3_context c)
Create a Z3 (empty) parameter set. Starting at Z3 4.0, parameter sets are used to configure many comp...
void Z3_API Z3_params_inc_ref(Z3_context c, Z3_params p)
Increment the reference counter of the given parameter set.
def __init__
Definition: z3py.py:5418
def __del__ (   self)

Definition at line 5429 of file z3py.py.

5429  def __del__(self):
5430  if self.ctx.ref() is not None and Z3_params_dec_ref is not None:
5431  Z3_params_dec_ref(self.ctx.ref(), self.params)
5432 
def __del__(self)
Definition: z3py.py:5429
void Z3_API Z3_params_dec_ref(Z3_context c, Z3_params p)
Decrement the reference counter of the given parameter set.

Member Function Documentation

def __deepcopy__ (   self,
  memo = {} 
)

Definition at line 5426 of file z3py.py.

5426  def __deepcopy__(self, memo={}):
5427  return ParamsRef(self.ctx, self.params)
5428 
Parameter Sets.
Definition: z3py.py:5412
def __deepcopy__
Definition: z3py.py:5426
def __repr__ (   self)

Definition at line 5450 of file z3py.py.

5450  def __repr__(self):
5451  return Z3_params_to_string(self.ctx.ref(), self.params)
5452 
def __repr__(self)
Definition: z3py.py:5450
Z3_string Z3_API Z3_params_to_string(Z3_context c, Z3_params p)
Convert a parameter set into a string. This function is mainly used for printing the contents of a pa...
def set (   self,
  name,
  val 
)
Set parameter name with value val.

Definition at line 5433 of file z3py.py.

5433  def set(self, name, val):
5434  """Set parameter name with value val."""
5435  if z3_debug():
5436  _z3_assert(isinstance(name, str), "parameter name must be a string")
5437  name_sym = to_symbol(name, self.ctx)
5438  if isinstance(val, bool):
5439  Z3_params_set_bool(self.ctx.ref(), self.params, name_sym, val)
5440  elif _is_int(val):
5441  Z3_params_set_uint(self.ctx.ref(), self.params, name_sym, val)
5442  elif isinstance(val, float):
5443  Z3_params_set_double(self.ctx.ref(), self.params, name_sym, val)
5444  elif isinstance(val, str):
5445  Z3_params_set_symbol(self.ctx.ref(), self.params, name_sym, to_symbol(val, self.ctx))
5446  else:
5447  if z3_debug():
5448  _z3_assert(False, "invalid parameter value")
5449 
void Z3_API Z3_params_set_uint(Z3_context c, Z3_params p, Z3_symbol k, unsigned v)
Add a unsigned parameter k with value v to the parameter set p.
def z3_debug()
Definition: z3py.py:62
void Z3_API Z3_params_set_double(Z3_context c, Z3_params p, Z3_symbol k, double v)
Add a double parameter k with value v to the parameter set p.
def set(self, name, val)
Definition: z3py.py:5433
void Z3_API Z3_params_set_symbol(Z3_context c, Z3_params p, Z3_symbol k, Z3_symbol v)
Add a symbol parameter k with value v to the parameter set p.
void Z3_API Z3_params_set_bool(Z3_context c, Z3_params p, Z3_symbol k, bool v)
Add a Boolean parameter k with value v to the parameter set p.
def to_symbol
Definition: z3py.py:124
def validate (   self,
  ds 
)

Definition at line 5453 of file z3py.py.

5453  def validate(self, ds):
5454  _z3_assert(isinstance(ds, ParamDescrsRef), "parameter description set expected")
5455  Z3_params_validate(self.ctx.ref(), self.params, ds.descr)
5456 
5457 
def validate(self, ds)
Definition: z3py.py:5453
void Z3_API Z3_params_validate(Z3_context c, Z3_params p, Z3_param_descrs d)
Validate the parameter set p against the parameter description set d.

Field Documentation

ctx

Definition at line 5419 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(), 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