add part of opencv

Lib/opencv/sources/modules/ml/test/test_precomp.hpp

@@ -0,0 +1,51 @@
+#ifndef __OPENCV_TEST_PRECOMP_HPP__
+#define __OPENCV_TEST_PRECOMP_HPP__
+
+#include "opencv2/ts.hpp"
+#include <opencv2/ts/cuda_test.hpp> // EXPECT_MAT_NEAR
+#include "opencv2/ml.hpp"
+#include "opencv2/core/core_c.h"
+
+#include <fstream>
+using std::ifstream;
+
+namespace opencv_test {
+
+using namespace cv::ml;
+
+#define CV_NBAYES   "nbayes"
+#define CV_KNEAREST "knearest"
+#define CV_SVM      "svm"
+#define CV_EM       "em"
+#define CV_ANN      "ann"
+#define CV_DTREE    "dtree"
+#define CV_BOOST    "boost"
+#define CV_RTREES   "rtrees"
+#define CV_ERTREES  "ertrees"
+#define CV_SVMSGD   "svmsgd"
+
+using cv::Ptr;
+using cv::ml::StatModel;
+using cv::ml::TrainData;
+using cv::ml::NormalBayesClassifier;
+using cv::ml::SVM;
+using cv::ml::KNearest;
+using cv::ml::ParamGrid;
+using cv::ml::ANN_MLP;
+using cv::ml::DTrees;
+using cv::ml::Boost;
+using cv::ml::RTrees;
+using cv::ml::SVMSGD;
+
+void defaultDistribs( Mat& means, vector<Mat>& covs, int type=CV_32FC1 );
+void generateData( Mat& data, Mat& labels, const vector<int>& sizes, const Mat& _means, const vector<Mat>& covs, int dataType, int labelType );
+int maxIdx( const vector<int>& count );
+bool getLabelsMap( const Mat& labels, const vector<int>& sizes, vector<int>& labelsMap, bool checkClusterUniq=true );
+bool calcErr( const Mat& labels, const Mat& origLabels, const vector<int>& sizes, float& err, bool labelsEquivalent = true, bool checkClusterUniq=true );
+
+// used in LR test
+bool calculateError( const Mat& _p_labels, const Mat& _o_labels, float& error);
+
+} // namespace
+
+#endif