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fixed memory leak in flann index

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This commit is contained in:
Ilya Lavrenov 2015-09-01 16:17:18 +03:00
parent 5603617b7c
commit 32d7c1950a
1 changed files with 5 additions and 3 deletions
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8
modules/flann/src/miniflann.cpp
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@ -318,12 +318,14 @@ buildIndex_(void*& index, const Mat& wholedata, const Mat& data, const IndexPara
::cvflann::Matrix<ElementType> dataset((ElementType*)data.data, data.rows, data.cols); ::cvflann::Matrix<ElementType> dataset((ElementType*)data.data, data.rows, data.cols);
IndexType* _index = NULL; // currently, additional index support is the lsh algorithm only.
if( !index || getParam<flann_algorithm_t>(params, "algorithm", FLANN_INDEX_LINEAR) != FLANN_INDEX_LSH) // currently, additional index support is the lsh algorithm only. if( !index || getParam<flann_algorithm_t>(params, "algorithm", FLANN_INDEX_LINEAR) != FLANN_INDEX_LSH)
{ {
_index = new IndexType(dataset, get_params(params), dist); Ptr<IndexType> _index = makePtr<IndexType>(dataset, get_params(params), dist);
_index->buildIndex(); _index->buildIndex();
index = _index; index = _index;
// HACK to prevent object destruction
_index.obj = NULL;
} }
else // build additional lsh index else // build additional lsh index
{ {