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fixed a couple of warnings and 2 possible bugs

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This commit is contained in:
Vadim Pisarevsky 2010-10-18 09:03:54 +00:00
parent 02885b8b49
commit bf584f0d0a
1 changed files with 4 additions and 9 deletions
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13
modules/ml/src/gbt.cpp
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@ -601,8 +601,8 @@ float CvGBTrees::find_optimal_value( const CvMat* _Idx )
case ABSOLUTE_LOSS:
{
float* residuals = new float[n];
for (int i=0; i<n; ++i)
residuals[i] = (resp_data[*idx] - cur_data[*idx++]);
for (int i=0; i<n; ++i, ++idx)
residuals[i] = (resp_data[*idx] - cur_data[*idx]);
icvSortFloat(residuals, n, 0.0f);
if (n % 2)
gamma = residuals[n/2];
@ -613,8 +613,8 @@ float CvGBTrees::find_optimal_value( const CvMat* _Idx )
case HUBER_LOSS:
{
float* residuals = new float[n];
for (int i=0; i<n; ++i)
residuals[i] = (resp_data[*idx] - cur_data[*idx++]);
for (int i=0; i<n; ++i, ++idx)
residuals[i] = (resp_data[*idx] - cur_data[*idx]);
icvSortFloat(residuals, n, 0.0f);
int n_half = n >> 1;
@ -781,9 +781,6 @@ float CvGBTrees::predict( const CvMat* _sample, const CvMat* _missing,
void CvGBTrees::write_params( CvFileStorage* fs ) const
{
CV_FUNCNAME( "CvGBTrees::write_params" );
__BEGIN__;
const char* loss_function_type_str =
params.loss_function_type == SQUARED_LOSS ? "SquaredLoss" :
params.loss_function_type == ABSOLUTE_LOSS ? "AbsoluteLoss" :
@ -806,8 +803,6 @@ void CvGBTrees::write_params( CvFileStorage* fs ) const
data->is_classifier = !problem_type();
data->write_params( fs );
data->is_classifier = 0;
__END__;
}