added add_kernel method in MMD

src/shogun/statistical_testing/MMD.cpp

@@ -1,19 +1,31 @@
 /*
- * Restructuring Shogun's statistical hypothesis testing framework.
- * Copyright (C) 2016  Soumyajit De
+ * Copyright (c) The Shogun Machine Learning Toolbox
+ * Written (w) 2016 Soumyajit De
+ * All rights reserved.
  *
- * 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.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those
+ * of the authors and should not be interpreted as representing official policies,
+ * either expressed or implied, of the Shogun Development Team.
  */
 
 #include <utility>
@@ -68,6 +80,8 @@ struct CMMD::Self
 	std::function<float32_t(SGMatrix<float32_t>)> statistic_job;
 	std::function<float32_t(SGMatrix<float32_t>)> permutation_job;
 	std::function<float32_t(SGMatrix<float32_t>)> variance_job;
+
+	KernelManager kernel_selection_mgr;
 };
 
 CMMD::Self::Self(CMMD& cmmd) : owner(cmmd),
@@ -309,6 +323,11 @@ CMMD::~CMMD()
 {
 }
 
+void CMMD::add_kernel(CKernel* kernel)
+{
+	self->kernel_selection_mgr.push_back(kernel);
+}
+
 float64_t CMMD::compute_statistic()
 {
 	return self->compute_statistic_variance().first;

src/shogun/statistical_testing/MMD.h

@@ -1,19 +1,31 @@
 /*
- * Restructuring Shogun's statistical hypothesis testing framework.
- * Copyright (C) 2016  Soumyajit De
+ * Copyright (c) The Shogun Machine Learning Toolbox
+ * Written (w) 2016 Soumyajit De
+ * All rights reserved.
  *
- * 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.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those
+ * of the authors and should not be interpreted as representing official policies,
+ * either expressed or implied, of the Shogun Development Team.
  */
 
 #ifndef MMD_H_
@@ -64,8 +76,9 @@ class CMMD : public CTwoSampleTest
 public:
 	CMMD();
 	virtual ~CMMD();
-/*
+
 	void add_kernel(CKernel *kernel);
+/*
 	void select_kernel(EKernelSelectionMethod kmethod);
 	CKernel* get_kernel() const;
 */

src/shogun/statistical_testing/internals/KernelManager.cpp

@@ -38,6 +38,11 @@
 using namespace shogun;
 using namespace internal;
 
+KernelManager::KernelManager()
+{
+	SG_SDEBUG("Kernel manager instance initialized!\n");
+}
+
 KernelManager::KernelManager(index_t num_kernels)
 {
 	SG_SDEBUG("Kernel manager instance initialized with %d kernels!\n", num_kernels);
@@ -77,6 +82,14 @@ CKernel* KernelManager::kernel_at(size_t i) const
 	return m_precomputed_kernels[i].get();
 }
 
+void KernelManager::push_back(CKernel* kernel)
+{
+	SG_SDEBUG("Entering!\n");
+	SG_REF(kernel);
+	m_kernels.push_back(std::shared_ptr<CKernel>(kernel, [](CKernel* ptr) { SG_UNREF(ptr); }));
+	SG_SDEBUG("Leaving!\n");
+}
+
 void KernelManager::precompute_kernel_at(size_t i)
 {
 	SG_SDEBUG("Entering!\n");

src/shogun/statistical_testing/internals/KernelManager.h

@@ -48,12 +48,15 @@ namespace internal
 class KernelManager
 {
 public:
-	KernelManager(index_t num_kernels);
+	KernelManager();
+	explicit KernelManager(index_t num_kernels);
 	~KernelManager();
 
 	InitPerKernel kernel_at(size_t i);
 	CKernel* kernel_at(size_t i) const;
 
+	void push_back(CKernel* kernel);
+
 	void precompute_kernel_at(size_t i);
 	void restore_kernel_at(size_t i);
 private: