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added code for discretizing bounded stl

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This commit is contained in:
Marcell Vazquez-Chanlatte 2017-11-22 11:56:23 -08:00
parent dc704a6b13
commit e491ac7043
4 changed files with 82 additions and 16 deletions
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26
stl/test_utils.py
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@ -4,7 +4,6 @@ from stl.hypothesis import SignalTemporalLogicStrategy
from hypothesis import given
from pytest import raises
CONTEXT = {
stl.parse('AP1'): stl.parse('F(x > 4)'),
stl.parse('AP2'): stl.parse('(AP1) U (AP1)'),
@ -61,3 +60,28 @@ def test_linear_stl_lipschitz(phi1, phi2):
@given(SignalTemporalLogicStrategy, SignalTemporalLogicStrategy)
def test_timed_until_smoke_test(phi1, phi2):
stl.utils.timed_until(phi1, phi2, lo=2, hi=20)
def test_discretize():
dt = 0.3
phi = stl.parse('X(AP1)')
assert stl.utils.is_discretizable(phi, dt)
phi2 = stl.utils.discretize(phi, dt)
phi3 = stl.utils.discretize(phi2, dt)
assert phi2 == phi3
phi = stl.parse('G[0.3, 1.2](F[0.6, 1.5](AP1))')
assert stl.utils.is_discretizable(phi, dt)
phi2 = stl.utils.discretize(phi, dt)
phi3 = stl.utils.discretize(phi2, dt)
assert phi2 == phi3
phi = stl.parse('G[0.3, 1.4](F[0.6, 1.5](AP1))')
assert not stl.utils.is_discretizable(phi, dt)
phi = stl.parse('G[0.3, 1.2](F(AP1))')
assert not stl.utils.is_discretizable(phi, dt)
phi = stl.parse('G[0.3, 1.2]((AP1) U (AP2))')
assert not stl.utils.is_discretizable(phi, dt)