/usr/include/shogun/machine/gp/MeanFunction.h is in libshogun-dev 3.2.0-7.5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /*
* 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) 2013 Roman Votyakov
* Copyright (C) 2012 Jacob Walker
*/
#ifndef CMEANFUNCTION_H_
#define CMEANFUNCTION_H_
#include <shogun/base/SGObject.h>
#include <shogun/base/Parameter.h>
#include <shogun/features/Features.h>
namespace shogun
{
/** @brief An abstract class of the mean function.
*
* This class takes the mean of data used for Gaussian Process Regression. It
* also includes the derivatives of the specified function.
*/
class CMeanFunction : public CSGObject
{
public:
/** constructor */
CMeanFunction() { }
virtual ~CMeanFunction() { }
/** returns the mean of the specified data
*
* @param features features to compute mean function
*
* @return mean of feature vectors
*/
virtual SGVector<float64_t> get_mean_vector(const CFeatures* features) const=0;
/** returns the derivative of the mean function
*
* @param features features to compute mean function
* @param param parameter
* @param index of value if parameter is a vector
*
* @return derivative of mean function with respect to parameter
*/
virtual SGVector<float64_t> get_parameter_derivative(const CFeatures* features,
const TParameter* param, index_t index=-1)
{
SG_ERROR("Can't compute derivative wrt %s parameter\n", param->m_name)
return SGVector<float64_t>();
}
};
}
#endif /* CMEANFUNCTION_H_ */
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