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DynamicList bugfixes

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- transfer(DynamicList&) now preserves the allocated space as-is
  - operator=(const List&) should now avoid spurious allocation/deallocation
This commit is contained in:
Mark Olesen
2008-10-21 09:58:36 +02:00
parent bd78708543
commit 20d3c10bb2
2 changed files with 40 additions and 7 deletions
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31
applications/test/DynamicList/DynamicListTest.C
View File

@ -53,7 +53,7 @@ int main(int argc, char *argv[])
forAll(ldl, i)
{
Info<< " " << ldl[i].size() << "/" << ldl[i].allocSize();
}
}
Info<< endl;
List<List<label> > ll(2);
@ -64,11 +64,38 @@ int main(int argc, char *argv[])
forAll(ldl, i)
{
Info<< " " << ldl[i].size() << "/" << ldl[i].allocSize();
}
}
Info<< endl;
Info<< "<ll>" << ll << "</ll>" << nl << endl;
// test the transfer between DynamicLists
DynamicList<label, 1, 0> dlA;
DynamicList<label, 1, 0> dlB;
for (label i = 0; i < 5; i++)
{
dlA.append(i);
}
dlA.setSize(10);
Info<< "<dlA>" << dlA << "</dlA>" << nl << "sizes: "
<< " " << dlA.size() << "/" << dlA.allocSize() << endl;
dlB.transfer(dlA);
// provokes memory error if previous transfer did not maintain
// the correct allocated space
dlB[6] = 6;
Info<< "Transferred to dlB" << endl;
Info<< "<dlA>" << dlA << "</dlA>" << nl << "sizes: "
<< " " << dlA.size() << "/" << dlA.allocSize() << endl;
Info<< "<dlB>" << dlB << "</dlB>" << nl << "sizes: "
<< " " << dlB.size() << "/" << dlB.allocSize() << endl;
return 0;
}

16
src/OpenFOAM/containers/Lists/DynamicList/DynamicListI.H
View File

@ -128,7 +128,7 @@ inline void
Foam::DynamicList<T, SizeInc, SizeMult, SizeDiv>::transfer(List<T>& lst)
{
allocSize_ = lst.size();
List<T>::transfer(lst); // take over storage, null lst
List<T>::transfer(lst); // take over storage, clear addressing for lst.
}
@ -139,8 +139,11 @@ Foam::DynamicList<T, SizeInc, SizeMult, SizeDiv>::transfer
DynamicList<T, SizeInc, SizeMult, SizeDiv>& lst
)
{
allocSize_ = lst.allocSize();
List<T>::transfer(lst); // take over storage, null lst.
// take over storage as-is (without shrink), clear addressing for lst.
allocSize_ = lst.allocSize_;
lst.allocSize_ = 0;
List<T>::transfer(static_cast<List<T>&>(lst));
}
@ -230,10 +233,13 @@ inline void Foam::DynamicList<T, SizeInc, SizeMult, SizeDiv>::operator=
template<class T, unsigned SizeInc, unsigned SizeMult, unsigned SizeDiv>
inline void Foam::DynamicList<T, SizeInc, SizeMult, SizeDiv>::operator=
(
const List<T>& l
const List<T>& lst
)
{
List<T>::operator=(l);
// make the entire storage available for the copy operation:
List<T>::size(allocSize_);
List<T>::operator=(lst);
allocSize_ = List<T>::size();
}