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def | __init__ (self, probe, ctx=None) |
|
def | __deepcopy__ (self, memo={}) |
|
def | __del__ (self) |
|
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) |
|
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 7946 of file z3py.py.
◆ __init__()
def __init__ |
( |
|
self, |
|
|
|
probe, |
|
|
|
ctx = None |
|
) |
| |
Definition at line 7948 of file z3py.py.
7948 def __init__(self, probe, ctx=None):
7949 self.ctx = _get_ctx(ctx)
7951 if isinstance(probe, ProbeObj):
7953 elif isinstance(probe, float):
7955 elif _is_int(probe):
7957 elif isinstance(probe, bool):
7964 _z3_assert(isinstance(probe, str),
"probe name expected")
7968 raise Z3Exception(
"unknown probe '%s'" % probe)
◆ __del__()
Definition at line 7974 of file z3py.py.
7975 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 8057 of file z3py.py.
8057 def __call__(self, goal):
8058 """Evaluate the probe `self` in the given goal.
8060 >>> p = Probe('size')
8070 >>> p = Probe('num-consts')
8073 >>> p = Probe('is-propositional')
8076 >>> p = Probe('is-qflia')
8081 _z3_assert(isinstance(goal, Goal)
or isinstance(goal, BoolRef),
"Z3 Goal or Boolean expression expected")
8082 goal = _to_goal(goal)
◆ __deepcopy__()
def __deepcopy__ |
( |
|
self, |
|
|
|
memo = {} |
|
) |
| |
Definition at line 7971 of file z3py.py.
7971 def __deepcopy__(self, memo={}):
7972 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 8030 of file z3py.py.
8030 def __eq__(self, other):
8031 """Return a probe that evaluates to "true" when the value returned by `self` is equal to the value returned by `other`.
8033 >>> p = Probe('size') == 2
8041 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 8017 of file z3py.py.
8017 def __ge__(self, other):
8018 """Return a probe that evaluates to "true" when the value returned by `self` is greater than or equal to the value returned by `other`.
8020 >>> p = Probe('size') >= 2
8028 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 7991 of file z3py.py.
7991 def __gt__(self, other):
7992 """Return a probe that evaluates to "true" when the value returned by `self` is greater than the value returned by `other`.
7994 >>> p = Probe('size') > 10
8002 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 8004 of file z3py.py.
8004 def __le__(self, other):
8005 """Return a probe that evaluates to "true" when the value returned by `self` is less than or equal to the value returned by `other`.
8007 >>> p = Probe('size') <= 2
8015 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 7978 of file z3py.py.
7978 def __lt__(self, other):
7979 """Return a probe that evaluates to "true" when the value returned by `self` is less than the value returned by `other`.
7981 >>> p = Probe('size') < 10
7989 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 8043 of file z3py.py.
8043 def __ne__(self, other):
8044 """Return a probe that evaluates to "true" when the value returned by `self` is not equal to the value returned by `other`.
8046 >>> p = Probe('size') != 2
8054 p = self.__eq__(other)
8055 return Probe(
Z3_probe_not(self.ctx.ref(), p.probe), self.ctx)
◆ ctx
◆ probe
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...