SHOGUN  3.2.1
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KernelSelection.cpp
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1 /*
2  * Copyright (c) The Shogun Machine Learning Toolbox
3  * Written (w) 2012-2013 Heiko Strathmann
4  * Written (w) 2014 Soumyajit De
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice, this
11  * list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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23  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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30  */
31 
37 
38 using namespace shogun;
39 
41 {
42  init();
43 }
44 
46 {
47  init();
48  set_estimator(estimator);
49 }
50 
52 {
54 }
55 
56 void CKernelSelection::init()
57 {
58  SG_ADD((CSGObject**)&m_estimator, "estimator",
59  "Underlying CKernelTwoSampleTest instance", MS_NOT_AVAILABLE);
60 
61  m_estimator=NULL;
62 }
63 
65 {
66  REQUIRE(estimator, "No CKernelTwoSampleTest instance provided!\n");
67 
68  /* ensure that there is a combined kernel */
69  CKernel* kernel=estimator->get_kernel();
70  REQUIRE(kernel, "Underlying \"%s\" has no kernel set!\n",
71  estimator->get_name());
72  REQUIRE(kernel->get_kernel_type()==K_COMBINED, "Kernel of underlying \"%s\" "
73  "is of type \"%s\" but is has to be CCombinedKernel\n",
74  estimator->get_name(), kernel->get_name());
75  SG_UNREF(kernel);
76 
77  SG_REF(estimator);
79  m_estimator=estimator;
80 }
81 
83 {
85  return m_estimator;
86 }

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