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Moved the 'markKeys' generation in iSAM2 until after the call to RemoveVariables. Since the 'RemoveVariables' function permutes the ordering, this ensures markedKeys uses the correct indices

release/4.3a0
Stephen Williams 2012-07-05 18:50:09 +00:00
parent f575cb4cc0
commit f55612d381
1 changed files with 10 additions and 2 deletions
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12
gtsam/nonlinear/ISAM2.cpp
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@ -575,8 +575,6 @@ ISAM2Result ISAM2::update(
Index index = ordering_[key];
if(variableIndex_[index].empty())
unusedKeys.insert(key);
else
markedKeys.insert(index);
}
// Delete any keys from 'unusedKeys' that are actually used by the new, incoming factors
@ -593,6 +591,16 @@ ISAM2Result ISAM2::update(
// update it.
Impl::RemoveVariables(unusedKeys, root_, theta_, variableIndex_, delta_, deltaNewton_, RgProd_,
deltaReplacedMask_, ordering_, Base::nodes_, linearFactors_);
// Mark keys that are still in the use and are also included in the removed factors
// Note: The ordering has been modified during the RemoveVariables() function call.
// Hence, we do not create this list until after that call
BOOST_FOREACH(Key key, removedFactorSymbKeys) {
Index index;
if(ordering_.tryAt(key, index))
markedKeys.insert(index);
}
}
toc(1,"push_back factors");