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BUG: gambit-enumpoly infinite loop in quiksolv.imp #198

@tturocy

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@tturocy

Tobenna Igwe reported an infinite loop in enumpoly on the game below. He's traced it to quiksolv.imp:243. It may or may not give some insight into the issue found in 2x2x2.nfg (see issue #184 ). It also may or may not be something which was introduced relatively recently (and therefore might be fixable).

NFG 1 R "" { "1" "2" "3" }

{ { "1" "2" "3" }
{ "1" "2" "3" }
{ "1" "2" "3" }
}
""

{
{ "" 0.0, 0.0, 0.0 }
{ "" 2.0, 1.0, 1.0 }
{ "" 1.2, 0.6, 0.6 }
{ "" 1.0, 2.0, 1.0 }
{ "" 1.0, 1.0, 2.0 }
{ "" 1.1, 1.5, 1.6 }
{ "" 0.6, 1.2, 0.6 }
{ "" 1.5, 1.1, 1.6 }
{ "" 0.6, 0.6, 1.2 }
{ "" 1.0, 1.0, 2.0 }
{ "" 1.0, 2.0, 1.0 }
{ "" 1.1, 1.6, 1.5 }
{ "" 2.0, 1.0, 1.0 }
{ "" 0.0, 0.0, 0.0 }
{ "" 1.0, 0.5, 0.5 }
{ "" 1.6, 1.1, 1.5 }
{ "" 0.5, 1.0, 0.5 }
{ "" 0.5, 0.5, 1.0 }
{ "" 0.6, 0.6, 1.2 }
{ "" 1.5, 1.6, 1.1 }
{ "" 0.6, 1.2, 0.6 }
{ "" 1.6, 1.5, 1.1 }
{ "" 0.5, 0.5, 1.0 }
{ "" 0.5, 1.0, 0.5 }
{ "" 1.2, 0.6, 0.6 }
{ "" 1.0, 0.5, 0.5 }
{ "" 0.0, 0.0, 0.0 }
}
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