coco
34 lines
1.0 KiB
C++
34 lines
1.0 KiB
C++
// Copyright (C) 2010 Davis E. King (davis@dlib.net)
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// License: Boost Software License See LICENSE.txt for the full license.
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#ifndef DLIB_NULL_DECISION_FUnCTION_Hh_
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#define DLIB_NULL_DECISION_FUnCTION_Hh_
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#include <iostream>
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namespace dlib
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{
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// ----------------------------------------------------------------------------------------
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struct null_df
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{
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/*!
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WHAT THIS OBJECT REPRESENTS
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This is a type used to represent an unused field in the list of template
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arguments of the one_vs_one_decision_function and one_vs_all_decision_function
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templates. As such, null_df doesn't actually do anything.
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!*/
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template <typename T>
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double operator() ( const T&) const { return 0; }
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};
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inline void serialize(const null_df&, std::ostream&) {}
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inline void deserialize(null_df&, std::istream&) {}
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// ----------------------------------------------------------------------------------------
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}
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#endif // DLIB_NULL_DECISION_FUnCTION_Hh_
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