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0030176: Modeling Algorithms - Infinite loop in IntWalk_PWalking::Perform()

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Currently resetting of counter LevelOfIterWithoutAppend is enabled only if additional iterations have taken some positive effect.
This commit is contained in:
nbv
2018-10-03 17:02:44 +03:00
committed by bugmaster
parent 87efa821fa
commit 521648ce02
2 changed files with 40 additions and 2 deletions
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18
src/IntWalk/IntWalk_PWalking.cxx
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@@ -762,6 +762,9 @@ void IntWalk_PWalking::Perform(const TColStd_Array1OfReal& ParDep,
Epsilon(VM1 - Vm1),
Epsilon(UM2 - Um2),
Epsilon(VM2 - Vm2)};
Standard_Integer aPrevNbPoints = line->NbPoints();
Arrive = Standard_False;
while(!Arrive) //010
{
@@ -1099,7 +1102,13 @@ void IntWalk_PWalking::Perform(const TColStd_Array1OfReal& ParDep,
if(aDelta > Epsilon(pasInit[i]))
{
pasInit[i] -= aDelta;
LevelOfIterWithoutAppend=0;
if ((aPrevStatus != IntWalk_StepTooSmall) &&
(line->NbPoints() != aPrevNbPoints))
{
LevelOfIterWithoutAppend = 0;
}
aPrevNbPoints = line->NbPoints();
}
}
}
@@ -1174,8 +1183,13 @@ void IntWalk_PWalking::Perform(const TColStd_Array1OfReal& ParDep,
// StepTooSmall --> Increase step --> PasTropGrand...)
// nullify LevelOfIterWithoutAppend only if the condition
// is satisfied:
if (aPrevStatus != IntWalk_PasTropGrand)
if ((aPrevStatus != IntWalk_PasTropGrand) &&
(line->NbPoints() != aPrevNbPoints))
{
LevelOfIterWithoutAppend = 0;
}
aPrevNbPoints = line->NbPoints();
break;
}