Public Member Functions | |
def | __init__ (self, ctx=None) |
def | __del__ (self) |
def | set (self, args, keys) |
def | help (self) |
def | param_descrs (self) |
def | assert_exprs (self, args) |
def | add (self, args) |
def | add_soft (self, arg, weight="1", id=None) |
def | maximize (self, arg) |
def | minimize (self, arg) |
def | push (self) |
def | pop (self) |
def | check (self) |
def | reason_unknown (self) |
def | model (self) |
def | lower (self, obj) |
def | upper (self, obj) |
def | __repr__ (self) |
def | sexpr (self) |
def | statistics (self) |
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def | use_pp (self) |
Data Fields | |
ctx | |
optimize | |
Optimize API provides methods for solving using objective functions and weighted soft constraints
def __init__ | ( | self, | |
ctx = None |
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) |
def __del__ | ( | self | ) |
def __repr__ | ( | self | ) |
def add | ( | self, | |
args | |||
) |
def add_soft | ( | self, | |
arg, | |||
weight = "1" , |
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id = None |
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) |
Add soft constraint with optional weight and optional identifier. If no weight is supplied, then the penalty for violating the soft constraint is 1. Soft constraints are grouped by identifiers. Soft constraints that are added without identifiers are grouped by default.
Definition at line 6460 of file z3py.py.
def assert_exprs | ( | self, | |
args | |||
) |
Assert constraints as background axioms for the optimize solver.
Definition at line 6446 of file z3py.py.
Referenced by Optimize.add().
def check | ( | self | ) |
Check satisfiability while optimizing objective functions.
Definition at line 6493 of file z3py.py.
def help | ( | self | ) |
def maximize | ( | self, | |
arg | |||
) |
Add objective function to maximize.
Definition at line 6477 of file z3py.py.
def minimize | ( | self, | |
arg | |||
) |
Add objective function to minimize.
Definition at line 6481 of file z3py.py.
def model | ( | self | ) |
Return a model for the last check().
Definition at line 6501 of file z3py.py.
def param_descrs | ( | self | ) |
Return the parameter description set.
Definition at line 6442 of file z3py.py.
def pop | ( | self | ) |
def push | ( | self | ) |
def reason_unknown | ( | self | ) |
def set | ( | self, | |
args, | |||
keys | |||
) |
Set a configuration option. The method `help()` return a string containing all available options.
def sexpr | ( | self | ) |
Return a formatted string (in Lisp-like format) with all added constraints. We say the string is in s-expression format.
Definition at line 6522 of file z3py.py.
Referenced by Optimize.__repr__().
def statistics | ( | self | ) |
ctx |
Definition at line 6424 of file z3py.py.
Referenced by Probe.__eq__(), Probe.__ge__(), ApplyResult.__getitem__(), Probe.__gt__(), Probe.__le__(), Probe.__lt__(), Probe.__ne__(), Optimize.add_soft(), Tactic.apply(), ApplyResult.as_expr(), ApplyResult.convert_model(), Optimize.model(), Optimize.param_descrs(), Tactic.param_descrs(), Optimize.set(), Tactic.solver(), and Optimize.statistics().
optimize |
Definition at line 6425 of file z3py.py.
Referenced by Optimize.__del__(), Optimize.add_soft(), Optimize.assert_exprs(), Optimize.check(), Optimize.help(), Optimize.maximize(), Optimize.minimize(), Optimize.model(), Optimize.param_descrs(), Optimize.pop(), Optimize.push(), Optimize.reason_unknown(), Optimize.set(), Optimize.sexpr(), and Optimize.statistics().