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src
shogun
classifier
vw
vw_example.h
浏览该文件的文档.
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/*
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* Copyright (c) 2009 Yahoo! Inc. All rights reserved. The copyrights
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* embodied in the content of this file are licensed under the BSD
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* (revised) open source license.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* Written (W) 2011 Shashwat Lal Das
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* Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society.
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*/
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#ifndef _VW_EXAMPLE_H__
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#define _VW_EXAMPLE_H__
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#include <
shogun/lib/DataType.h
>
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#include <
shogun/lib/common.h
>
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#include <
shogun/lib/v_array.h
>
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#include <
shogun/classifier/vw/vw_constants.h
>
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#include <
shogun/classifier/vw/vw_label.h
>
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namespace
shogun
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{
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class
VwFeature
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{
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public
:
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float32_t
x
;
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uint32_t
weight_index
;
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bool
operator==
(
VwFeature
j) {
return
weight_index
== j.
weight_index
; }
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};
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class
VwExample
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{
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public
:
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VwExample
();
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~VwExample
();
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void
reset_members
();
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public
:
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VwLabel
*
ld
;
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v_array<char>
tag
;
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v_array<vw_size_t>
indices
;
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v_array<VwFeature>
atomics
[256];
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vw_size_t
num_features
;
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vw_size_t
pass
;
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float32_t
final_prediction
;
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float32_t
loss
;
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float32_t
eta_round
;
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float32_t
global_weight
;
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float32_t
example_t
;
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float64_t
sum_feat_sq
[256];
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float32_t
total_sum_feat_sq
;
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vw_size_t
example_counter
;
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bool
sorted
;
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};
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}
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#endif // _VW_EXAMPLE_H__
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