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def | __init__ (self, probe, ctx=None) |
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def | __deepcopy__ (self, memo={}) |
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def | __del__ (self) |
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def | __lt__ (self, other) |
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def | __gt__ (self, other) |
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def | __le__ (self, other) |
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def | __ge__ (self, other) |
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def | __eq__ (self, other) |
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def | __ne__ (self, other) |
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def | __call__ (self, goal) |
|
Probes are used to inspect a goal (aka problem) and collect information that may be used to decide which solver and/or preprocessing step will be used.
Definition at line 7980 of file z3py.py.
◆ __init__()
def __init__ |
( |
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self, |
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|
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probe, |
|
|
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ctx = None |
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) |
| |
Definition at line 7982 of file z3py.py.
7982 def __init__(self, probe, ctx=None):
7983 self.ctx = _get_ctx(ctx)
7985 if isinstance(probe, ProbeObj):
7987 elif isinstance(probe, float):
7989 elif _is_int(probe):
7991 elif isinstance(probe, bool):
7998 _z3_assert(isinstance(probe, str),
"probe name expected")
8002 raise Z3Exception(
"unknown probe '%s'" % probe)
◆ __del__()
Definition at line 8008 of file z3py.py.
8009 if self.probe
is not None and self.ctx.ref()
is not None:
◆ __call__()
def __call__ |
( |
|
self, |
|
|
|
goal |
|
) |
| |
Evaluate the probe `self` in the given goal.
>>> p = Probe('size')
>>> x = Int('x')
>>> g = Goal()
>>> g.add(x > 0)
>>> g.add(x < 10)
>>> p(g)
2.0
>>> g.add(x < 20)
>>> p(g)
3.0
>>> p = Probe('num-consts')
>>> p(g)
1.0
>>> p = Probe('is-propositional')
>>> p(g)
0.0
>>> p = Probe('is-qflia')
>>> p(g)
1.0
Definition at line 8091 of file z3py.py.
8091 def __call__(self, goal):
8092 """Evaluate the probe `self` in the given goal.
8094 >>> p = Probe('size')
8104 >>> p = Probe('num-consts')
8107 >>> p = Probe('is-propositional')
8110 >>> p = Probe('is-qflia')
8115 _z3_assert(isinstance(goal, Goal)
or isinstance(goal, BoolRef),
"Z3 Goal or Boolean expression expected")
8116 goal = _to_goal(goal)
◆ __deepcopy__()
def __deepcopy__ |
( |
|
self, |
|
|
|
memo = {} |
|
) |
| |
Definition at line 8005 of file z3py.py.
8005 def __deepcopy__(self, memo={}):
8006 return Probe(self.probe, self.ctx)
◆ __eq__()
def __eq__ |
( |
|
self, |
|
|
|
other |
|
) |
| |
Return a probe that evaluates to "true" when the value returned by `self` is equal to the value returned by `other`.
>>> p = Probe('size') == 2
>>> x = Int('x')
>>> g = Goal()
>>> g.add(x > 0)
>>> g.add(x < 10)
>>> p(g)
1.0
Definition at line 8064 of file z3py.py.
8064 def __eq__(self, other):
8065 """Return a probe that evaluates to "true" when the value returned by `self` is equal to the value returned by `other`.
8067 >>> p = Probe('size') == 2
8075 return Probe(
Z3_probe_eq(self.ctx.ref(), self.probe, _to_probe(other, self.ctx).probe), self.ctx)
Referenced by Probe.__ne__().
◆ __ge__()
def __ge__ |
( |
|
self, |
|
|
|
other |
|
) |
| |
Return a probe that evaluates to "true" when the value returned by `self` is greater than or equal to the value returned by `other`.
>>> p = Probe('size') >= 2
>>> x = Int('x')
>>> g = Goal()
>>> g.add(x > 0)
>>> g.add(x < 10)
>>> p(g)
1.0
Definition at line 8051 of file z3py.py.
8051 def __ge__(self, other):
8052 """Return a probe that evaluates to "true" when the value returned by `self` is greater than or equal to the value returned by `other`.
8054 >>> p = Probe('size') >= 2
8062 return Probe(
Z3_probe_ge(self.ctx.ref(), self.probe, _to_probe(other, self.ctx).probe), self.ctx)
◆ __gt__()
def __gt__ |
( |
|
self, |
|
|
|
other |
|
) |
| |
Return a probe that evaluates to "true" when the value returned by `self` is greater than the value returned by `other`.
>>> p = Probe('size') > 10
>>> x = Int('x')
>>> g = Goal()
>>> g.add(x > 0)
>>> g.add(x < 10)
>>> p(g)
0.0
Definition at line 8025 of file z3py.py.
8025 def __gt__(self, other):
8026 """Return a probe that evaluates to "true" when the value returned by `self` is greater than the value returned by `other`.
8028 >>> p = Probe('size') > 10
8036 return Probe(
Z3_probe_gt(self.ctx.ref(), self.probe, _to_probe(other, self.ctx).probe), self.ctx)
◆ __le__()
def __le__ |
( |
|
self, |
|
|
|
other |
|
) |
| |
Return a probe that evaluates to "true" when the value returned by `self` is less than or equal to the value returned by `other`.
>>> p = Probe('size') <= 2
>>> x = Int('x')
>>> g = Goal()
>>> g.add(x > 0)
>>> g.add(x < 10)
>>> p(g)
1.0
Definition at line 8038 of file z3py.py.
8038 def __le__(self, other):
8039 """Return a probe that evaluates to "true" when the value returned by `self` is less than or equal to the value returned by `other`.
8041 >>> p = Probe('size') <= 2
8049 return Probe(
Z3_probe_le(self.ctx.ref(), self.probe, _to_probe(other, self.ctx).probe), self.ctx)
◆ __lt__()
def __lt__ |
( |
|
self, |
|
|
|
other |
|
) |
| |
Return a probe that evaluates to "true" when the value returned by `self` is less than the value returned by `other`.
>>> p = Probe('size') < 10
>>> x = Int('x')
>>> g = Goal()
>>> g.add(x > 0)
>>> g.add(x < 10)
>>> p(g)
1.0
Definition at line 8012 of file z3py.py.
8012 def __lt__(self, other):
8013 """Return a probe that evaluates to "true" when the value returned by `self` is less than the value returned by `other`.
8015 >>> p = Probe('size') < 10
8023 return Probe(
Z3_probe_lt(self.ctx.ref(), self.probe, _to_probe(other, self.ctx).probe), self.ctx)
◆ __ne__()
def __ne__ |
( |
|
self, |
|
|
|
other |
|
) |
| |
Return a probe that evaluates to "true" when the value returned by `self` is not equal to the value returned by `other`.
>>> p = Probe('size') != 2
>>> x = Int('x')
>>> g = Goal()
>>> g.add(x > 0)
>>> g.add(x < 10)
>>> p(g)
0.0
Definition at line 8077 of file z3py.py.
8077 def __ne__(self, other):
8078 """Return a probe that evaluates to "true" when the value returned by `self` is not equal to the value returned by `other`.
8080 >>> p = Probe('size') != 2
8088 p = self.__eq__(other)
8089 return Probe(
Z3_probe_not(self.ctx.ref(), p.probe), self.ctx)
◆ ctx
Definition at line 7983 of file z3py.py.
Referenced by Probe.__call__(), Probe.__deepcopy__(), Probe.__del__(), Probe.__eq__(), Probe.__ge__(), Probe.__gt__(), Probe.__le__(), Probe.__lt__(), Probe.__ne__(), UserPropagateBase.conflict(), and UserPropagateBase.ctx_ref().
◆ probe
def __init__(self, s, ctx=None)
void Z3_API Z3_probe_dec_ref(Z3_context c, Z3_probe p)
Decrement the reference counter of the given probe.
Z3_probe Z3_API Z3_probe_le(Z3_context x, Z3_probe p1, Z3_probe p2)
Return a probe that evaluates to "true" when the value returned by p1 is less than or equal to the va...
Z3_probe Z3_API Z3_probe_const(Z3_context x, double val)
Return a probe that always evaluates to val.
void Z3_API Z3_probe_inc_ref(Z3_context c, Z3_probe p)
Increment the reference counter of the given probe.
Z3_probe Z3_API Z3_probe_ge(Z3_context x, Z3_probe p1, Z3_probe p2)
Return a probe that evaluates to "true" when the value returned by p1 is greater than or equal to the...
Z3_probe Z3_API Z3_probe_eq(Z3_context x, Z3_probe p1, Z3_probe p2)
Return a probe that evaluates to "true" when the value returned by p1 is equal to the value returned ...
double Z3_API Z3_probe_apply(Z3_context c, Z3_probe p, Z3_goal g)
Execute the probe over the goal. The probe always produce a double value. "Boolean" probes return 0....
Z3_probe Z3_API Z3_probe_lt(Z3_context x, Z3_probe p1, Z3_probe p2)
Return a probe that evaluates to "true" when the value returned by p1 is less than the value returned...
Z3_probe Z3_API Z3_mk_probe(Z3_context c, Z3_string name)
Return a probe associated with the given name. The complete list of probes may be obtained using the ...
Z3_probe Z3_API Z3_probe_not(Z3_context x, Z3_probe p)
Return a probe that evaluates to "true" when p does not evaluate to true.
Z3_probe Z3_API Z3_probe_gt(Z3_context x, Z3_probe p1, Z3_probe p2)
Return a probe that evaluates to "true" when the value returned by p1 is greater than the value retur...