Commit ea736dd8 authored by mattijs's avatar mattijs
Browse files

breaking infinite loop for bad decompositions

parent e26ca2de
......@@ -165,6 +165,11 @@ void Foam::hierarchGeomDecomp::findBinary
// (one beyond) index of highValue
label high = values.size();
// Safeguards to avoid infinite loop.
label lowPrev = -1;
label midPrev = -1;
label highPrev = -1;
//while (low <= high)
while (true)
{
......@@ -197,6 +202,20 @@ void Foam::hierarchGeomDecomp::findBinary
// Update mid, midValue
midValue = 0.5*(lowValue+highValue);
mid = findLower(values, midValue, low, high);
// Safeguard if same as previous.
bool hasNotChanged = (mid == midPrev) && (low == lowPrev) && (high == highPrev);
if (returnReduce(hasNotChanged, andOp<bool>()))
{
WarningIn("hierarchGeomDecomp::findBinary(..)")
<< "unable to find desired deomposition split, making do!"
<< endl;
break;
}
midPrev = mid;
lowPrev = low;
highPrev = high;
}
}
......
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