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untimed until bug fixes

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This commit is contained in:
Marcell Vazquez-Chanlatte 2017-04-24 23:31:56 -07:00
parent 8ec0013235
commit f04f1b3eeb
4 changed files with 11 additions and 6 deletions
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7
stl/boolean_eval.py
View file

@ -38,10 +38,11 @@ def _(stl):
def get_times(x, tau, lo=None, hi=None): def get_times(x, tau, lo=None, hi=None):
domain = fn.first(x.values()).domain
if lo is None or lo is -oo: if lo is None or lo is -oo:
lo = min(v.first()[0] for v in x.values()) lo = domain.start()
if hi is None or hi is oo: if hi is None or hi is oo:
hi = max(v.last()[0] for v in x.values()) hi = domain.end()
end = min(v.domain.end() for v in x.values()) end = min(v.domain.end() for v in x.values())
hi = hi + tau if hi + tau <= end else end hi = hi + tau if hi + tau <= end else end
lo = lo + tau if lo + tau <= end else end lo = lo + tau if lo + tau <= end else end
@ -72,9 +73,9 @@ def eval_unary_temporal_op(phi, always=True):
if lo > hi: if lo > hi:
retval = True if always else False retval = True if always else False
return lambda x, t: retval return lambda x, t: retval
f = eval_stl(phi.arg)
if hi == lo: if hi == lo:
return lambda x, t: f(x, t) return lambda x, t: f(x, t)
f = eval_stl(phi.arg)
return lambda x, t: fold(f(x, tau) for tau in get_times(x, t, lo, hi)) return lambda x, t: fold(f(x, tau) for tau in get_times(x, t, lo, hi))

1
stl/fastboolean_eval.py
View file

@ -49,6 +49,7 @@ def _(stl):
for phi, tau in zip(reversed(f1(x, times)), reversed(times)): for phi, tau in zip(reversed(f1(x, times)), reversed(times)):
if not phi: if not phi:
state = f2(x, [tau]) state = f2(x, [tau])
if tau in t: if tau in t:
yield state yield state

2
stl/parser.py
View file

@ -126,7 +126,7 @@ class STLVisitor(NodeVisitor):
def visit_timed_until(self, _, children): def visit_timed_until(self, _, children):
phi, _, _, (lo, hi), _, psi = children phi, _, _, (lo, hi), _, psi = children
return env(psi, lo=lo, hi=hi) & alw(ast.Until(phi, psi), lo=0, hi=hi) return env(psi, lo=lo, hi=hi) & alw(ast.Until(phi, psi), lo=0, hi=lo)
def visit_id(self, name, _): def visit_id(self, name, _):
return Symbol(name.text) return Symbol(name.text)

7
stl/test_boolean_eval.py
View file

@ -19,14 +19,17 @@ ex8 = ("G[0, 0.2](C)", False)
ex9 = ("(F[0, 0.2](C)) and (F[0, 1](2*A > 3))", True) ex9 = ("(F[0, 0.2](C)) and (F[0, 1](2*A > 3))", True)
ex10 = ("(A = 1) U (A = 4)", True) ex10 = ("(A = 1) U (A = 4)", True)
ex11 = ("(A < 5) U (A = 4)", False) ex11 = ("(A < 5) U (A = 4)", False)
ex12 = ("(D > 10) U (D > 10)", False)
ex13 = ("(D = 2) U[1, 20] (D = 3)", True)
x = { x = {
"A": traces.TimeSeries([(0, 1), (0.1, 1), (0.2, 4)]), "A": traces.TimeSeries([(0, 1), (0.1, 1), (0.2, 4)]),
"B": traces.TimeSeries([(0, 2), (0.1, 4), (0.2, 2)]), "B": traces.TimeSeries([(0, 2), (0.1, 4), (0.2, 2)]),
"C": traces.TimeSeries([(0, True), (0.1, True), (0.2, False)]), "C": traces.TimeSeries([(0, True), (0.1, True), (0.2, False)]),
'D': traces.TimeSeries({0.0: 2, 13.8: 3, 19.7: 2}),
} }
class TestSTLEval(unittest.TestCase): class TestSTLEval(unittest.TestCase):
@params(ex1, ex2, ex3, ex4, ex5, ex6, ex7, ex8, ex9, ex10, ex11) @params(ex1, ex2, ex3, ex4, ex5, ex6, ex7, ex8, ex9, ex10, ex11, ex12, ex13)
def test_eval(self, phi_str, r): def test_eval(self, phi_str, r):
phi = stl.parse(phi_str) phi = stl.parse(phi_str)
stl_eval = stl.boolean_eval.pointwise_sat(phi) stl_eval = stl.boolean_eval.pointwise_sat(phi)
@ -35,7 +38,7 @@ class TestSTLEval(unittest.TestCase):
self.assertEqual(stl_eval2(x, 0), not r) self.assertEqual(stl_eval2(x, 0), not r)
@params(ex1, ex2, ex3, ex4, ex5, ex6, ex7, ex8, ex9, ex10, ex11) @params(ex1, ex2, ex3, ex4, ex5, ex6, ex7, ex8, ex9, ex10, ex11, ex12, ex13)
def test_fasteval(self, phi_str, _): def test_fasteval(self, phi_str, _):
phi = stl.parse(phi_str) phi = stl.parse(phi_str)
stl_eval = stl.boolean_eval.pointwise_sat(phi) stl_eval = stl.boolean_eval.pointwise_sat(phi)