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bug fixes for cp_wa and cg #50

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Merged
ChuanyuXue merged 2 commits into from
Sep 7, 2025
Merged

bug fixes for cp_wa and cg #50

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6327a7a
add check for existing paths
elainehu222 Aug 30, 2025
0097c8d
cp_wa bug fix
elainehu222 Aug 30, 2025
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4 changes: 4 additions & 0 deletions tsnkit/algorithms/cg.py
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,10 @@ def prepare(self) -> None:

@utils.check_time_limit
def solve(self) -> utils.Statistics:
for s in self.task:
if not self.paths[s]:
return utils.Statistics("-", utils.Result.unschedulable, 0.0)

flag = True
start = utils.time_log()
while flag:
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4 changes: 2 additions & 2 deletions tsnkit/algorithms/cp_wa.py
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Expand Up @@ -145,8 +145,8 @@ def add_flow_trans_const(self):

def add_delay_const(self):
for s in self.task:
start = self.solver.start_of(self.phi[s][s.first_link][0])
end = self.solver.start_of(self.phi[s][s.last_link][-1])
start = self.solver.end_of(self.phi[s][s.first_link][0])
end = self.solver.start_of(self.phi[s][s.last_link][0])
self.solver.add(end - start <= s.deadline)

def add_frame_isolation_const(self):
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