Added C++ tests for LLE basic algorithms

shogun-toolbox · Oct 3, 2011 · c0c4231 · c0c4231
1 parent 2f5de9d
commit c0c4231
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diff --git a/examples/undocumented/libshogun/Makefile b/examples/undocumented/libshogun/Makefile
@@ -38,6 +38,9 @@ TARGETS =	  basic_minimal classifier_libsvm classifier_minimal_svm \
 		  library_fibonacci_heap \
 		  library_hashset \
 		  mathematics_lapack \
+		  preprocessor_locallylinearembedding \
+		  preprocessor_localtangentspacealignment \
+		  preprocessor_hessianlocallylinearembedding \
 
 all: $(TARGETS)
 

diff --git a/examples/undocumented/libshogun/preprocessor_hessianlocallylinearembedding.cpp b/examples/undocumented/libshogun/preprocessor_hessianlocallylinearembedding.cpp
@@ -0,0 +1,39 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Written (W) 2011 Sergey Lisitsyn
+ * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
+ */
+
+#include <shogun/base/init.h>
+#include <shogun/features/SimpleFeatures.h>
+#include <shogun/preprocessor/DimensionReductionPreprocessor.h>
+#include <shogun/preprocessor/HessianLocallyLinearEmbedding.h>
+
+using namespace shogun;
+
+int main(int argc, char** argv)
+{
+	init_shogun();
+
+	int N = 100;
+	int dim = 3;
+	float64_t* matrix = new double[N*dim];
+	for (int i=0; i<N*dim; i++)
+		matrix[i] = i;
+
+	CSimpleFeatures<double>* features = new CSimpleFeatures<double>(SGMatrix<double>(matrix,dim,N));
+	SG_REF(features);
+	CHessianLocallyLinearEmbedding* hlle = new CHessianLocallyLinearEmbedding();
+	hlle->set_target_dim(2);
+	hlle->set_k(8);
+	hlle->apply_to_feature_matrix(features);
+	hlle->parallel->set_num_threads(4);
+	SG_UNREF(hlle);
+	SG_UNREF(features);
+	exit_shogun();
+	return 0;
+}
diff --git a/examples/undocumented/libshogun/preprocessor_locallylinearembedding.cpp b/examples/undocumented/libshogun/preprocessor_locallylinearembedding.cpp
@@ -0,0 +1,39 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Written (W) 2011 Sergey Lisitsyn
+ * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
+ */
+
+#include <shogun/base/init.h>
+#include <shogun/features/SimpleFeatures.h>
+#include <shogun/preprocessor/DimensionReductionPreprocessor.h>
+#include <shogun/preprocessor/LocallyLinearEmbedding.h>
+
+using namespace shogun;
+
+int main(int argc, char** argv)
+{
+	init_shogun();
+
+	int N = 100;
+	int dim = 3;
+	float64_t* matrix = new double[N*dim];
+	for (int i=0; i<N*dim; i++)
+		matrix[i] = i;
+
+	CSimpleFeatures<double>* features = new CSimpleFeatures<double>(SGMatrix<double>(matrix,dim,N));
+	SG_REF(features);
+	CLocallyLinearEmbedding* lle = new CLocallyLinearEmbedding();
+	lle->set_target_dim(2);
+	lle->set_k(4);
+	lle->apply_to_feature_matrix(features);
+	lle->parallel->set_num_threads(4);
+	SG_UNREF(lle);
+	SG_UNREF(features);
+	exit_shogun();
+	return 0;
+}
diff --git a/examples/undocumented/libshogun/preprocessor_localtangentspacealignment.cpp b/examples/undocumented/libshogun/preprocessor_localtangentspacealignment.cpp
@@ -0,0 +1,39 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Written (W) 2011 Sergey Lisitsyn
+ * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
+ */
+
+#include <shogun/base/init.h>
+#include <shogun/features/SimpleFeatures.h>
+#include <shogun/preprocessor/DimensionReductionPreprocessor.h>
+#include <shogun/preprocessor/LocalTangentSpaceAlignment.h>
+
+using namespace shogun;
+
+int main(int argc, char** argv)
+{
+	init_shogun();
+
+	int N = 100;
+	int dim = 3;
+	float64_t* matrix = new double[N*dim];
+	for (int i=0; i<N*dim; i++)
+		matrix[i] = i;
+
+	CSimpleFeatures<double>* features = new CSimpleFeatures<double>(SGMatrix<double>(matrix,dim,N));
+	SG_REF(features);
+	CLocalTangentSpaceAlignment* ltsa = new CLocalTangentSpaceAlignment();
+	ltsa->set_target_dim(2);
+	ltsa->set_k(4);
+	ltsa->apply_to_feature_matrix(features);
+	ltsa->parallel->set_num_threads(4);
+	SG_UNREF(ltsa);
+	SG_UNREF(features);
+	exit_shogun();
+	return 0;
+}