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Improved iteration.

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This commit is contained in:
chriseth 2022-06-30 21:19:36 +02:00
parent 82604f8269
commit bfc9c91539
1 changed files with 3 additions and 3 deletions
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6
libsolutil/LP.cpp
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@ -582,10 +582,10 @@ void LPSolver::SubProblem::update(size_t _varIndex, RationalWithDelta const& _va
{ {
RationalWithDelta delta = _value - variables[_varIndex].value; RationalWithDelta delta = _value - variables[_varIndex].value;
variables[_varIndex].value = _value; variables[_varIndex].value = _value;
for (size_t j = 0; j < variables.size(); j++) for (auto&& [j, row]: basicVariables)
if (basicVariables.count(j) && factors[basicVariables.at(j)][_varIndex]) if (factors[row][_varIndex])
{ {
variables[j].value += delta * factors[basicVariables.at(j)][_varIndex]; variables[j].value += delta * factors[row][_varIndex];
//variablesPotentiallyOutOfBounds.insert(j); //variablesPotentiallyOutOfBounds.insert(j);
} }