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Fix memory corruption in batchDistance perf tests

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This commit is contained in:
Andrey Kamaev 2012-12-22 21:01:57 +04:00
parent ffdbddd6b1
commit b870b246e1
1 changed files with 2 additions and 2 deletions
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4
modules/features2d/perf/perf_batchDistance.cpp
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@ -150,7 +150,7 @@ void generateData( Mat& query, Mat& train, const int sourceType )
// in ascending order. General boundaries of the perturbation // in ascending order. General boundaries of the perturbation
// are (0.f, 1.f). // are (0.f, 1.f).
train.create( query.rows*countFactor, query.cols, sourceType ); train.create( query.rows*countFactor, query.cols, sourceType );
float step = 1.f / countFactor; float step = (sourceType == CV_8U ? 256.f : 1.f) / countFactor;
for( int qIdx = 0; qIdx < query.rows; qIdx++ ) for( int qIdx = 0; qIdx < query.rows; qIdx++ )
{ {
Mat queryDescriptor = query.row(qIdx); Mat queryDescriptor = query.row(qIdx);
@ -161,7 +161,7 @@ void generateData( Mat& query, Mat& train, const int sourceType )
queryDescriptor.copyTo( trainDescriptor ); queryDescriptor.copyTo( trainDescriptor );
int elem = rng(dim); int elem = rng(dim);
float diff = rng.uniform( step*c, step*(c+1) ); float diff = rng.uniform( step*c, step*(c+1) );
trainDescriptor.at<float>(0, elem) += diff; trainDescriptor.col(elem) += diff;
} }
} }
} }