BayesOpt
kernel_const.hpp
1 /*
2 -------------------------------------------------------------------------
3  This file is part of BayesOpt, an efficient C++ library for
4  Bayesian optimization.
5 
6  Copyright (C) 2011-2015 Ruben Martinez-Cantin <rmcantin@unizar.es>
7 
8  BayesOpt is free software: you can redistribute it and/or modify it
9  under the terms of the GNU Affero General Public License as published by
10  the Free Software Foundation, either version 3 of the License, or
11  (at your option) any later version.
12 
13  BayesOpt is distributed in the hope that it will be useful, but
14  WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  GNU Affero General Public License for more details.
17 
18  You should have received a copy of the GNU Affero General Public License
19  along with BayesOpt. If not, see <http://www.gnu.org/licenses/>.
20 ------------------------------------------------------------------------
21 */
22 
23 #ifndef _KERNEL_CONST_HPP_
24 #define _KERNEL_CONST_HPP_
25 
27 
28 namespace bayesopt
29 {
30 
33 
39  class ConstKernel: public AtomicKernel
40  {
41  public:
42  void init(size_t input_dim)
43  { n_params = 1; n_inputs = input_dim; };
44 
45  double operator()(const vectord &x1, const vectord &x2)
46  { return params(0); };
47 
48  double gradient(const vectord &x1, const vectord &x2,
49  size_t component)
50  { return 0.0; };
51  };
52 
54 
55 } //namespace bayesopt
56 
57 #endif
Constant kernel.
Namespace of the library interface.
Definition: using.dox:1
Atomic (simple) kernel functions.
Abstract class for an atomic kernel.