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<html><!-- Created using the cpp_pretty_printer from the dlib C++ library. See http://dlib.net for updates. --><head><title>dlib C++ Library - approximate_linear_models.h</title></head><body bgcolor='white'><pre>
<font color='#009900'>// Copyright (C) 2015 Davis E. King ([email protected])
</font><font color='#009900'>// License: Boost Software License See LICENSE.txt for the full license.
</font><font color='#0000FF'>#ifndef</font> DLIB_APPROXIMATE_LINEAR_MODELS_Hh_
<font color='#0000FF'>#define</font> DLIB_APPROXIMATE_LINEAR_MODELS_Hh_
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='approximate_linear_models_abstract.h.html'>approximate_linear_models_abstract.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../matrix.h.html'>../matrix.h</a>"
<font color='#0000FF'>namespace</font> dlib
<b>{</b>
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font>
<font color='#0000FF'>typename</font> feature_extractor
<font color='#5555FF'>&gt;</font>
<font color='#0000FF'>struct</font> <b><a name='process_sample'></a>process_sample</b>
<b>{</b>
<font color='#0000FF'>typedef</font> feature_extractor feature_extractor_type;
<font color='#0000FF'>typedef</font> <font color='#0000FF'>typename</font> feature_extractor::state_type state_type;
<font color='#0000FF'>typedef</font> <font color='#0000FF'>typename</font> feature_extractor::action_type action_type;
<b><a name='process_sample'></a>process_sample</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><b>{</b><b>}</b>
<b><a name='process_sample'></a>process_sample</b><font face='Lucida Console'>(</font>
<font color='#0000FF'>const</font> state_type<font color='#5555FF'>&amp;</font> s,
<font color='#0000FF'>const</font> action_type<font color='#5555FF'>&amp;</font> a,
<font color='#0000FF'>const</font> state_type<font color='#5555FF'>&amp;</font> n,
<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font><font color='#5555FF'>&amp;</font> r
<font face='Lucida Console'>)</font> : state<font face='Lucida Console'>(</font>s<font face='Lucida Console'>)</font>, action<font face='Lucida Console'>(</font>a<font face='Lucida Console'>)</font>, next_state<font face='Lucida Console'>(</font>n<font face='Lucida Console'>)</font>, reward<font face='Lucida Console'>(</font>r<font face='Lucida Console'>)</font> <b>{</b><b>}</b>
state_type state;
action_type action;
state_type next_state;
<font color='#0000FF'><u>double</u></font> reward;
<b>}</b>;
<font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font> <font color='#0000FF'>typename</font> feature_extractor <font color='#5555FF'>&gt;</font>
<font color='#0000FF'><u>void</u></font> <b><a name='serialize'></a>serialize</b> <font face='Lucida Console'>(</font><font color='#0000FF'>const</font> process_sample<font color='#5555FF'>&lt;</font>feature_extractor<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> item, std::ostream<font color='#5555FF'>&amp;</font> out<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>item.state, out<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>item.action, out<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>item.next_state, out<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>item.reward, out<font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font> <font color='#0000FF'>typename</font> feature_extractor <font color='#5555FF'>&gt;</font>
<font color='#0000FF'><u>void</u></font> <b><a name='deserialize'></a>deserialize</b> <font face='Lucida Console'>(</font>process_sample<font color='#5555FF'>&lt;</font>feature_extractor<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> item, std::istream<font color='#5555FF'>&amp;</font> in<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>item.state, in<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>item.action, in<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>item.next_state, in<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>item.reward, in<font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font>
<font color='#0000FF'>typename</font> feature_extractor
<font color='#5555FF'>&gt;</font>
<font color='#0000FF'>class</font> <b><a name='policy'></a>policy</b>
<b>{</b>
<font color='#0000FF'>public</font>:
<font color='#0000FF'>typedef</font> feature_extractor feature_extractor_type;
<font color='#0000FF'>typedef</font> <font color='#0000FF'>typename</font> feature_extractor::state_type state_type;
<font color='#0000FF'>typedef</font> <font color='#0000FF'>typename</font> feature_extractor::action_type action_type;
<b><a name='policy'></a>policy</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font>
<b>{</b>
w.<font color='#BB00BB'>set_size</font><font face='Lucida Console'>(</font>fe.<font color='#BB00BB'>num_features</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>;
w <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
<b>}</b>
<b><a name='policy'></a>policy</b> <font face='Lucida Console'>(</font>
<font color='#0000FF'>const</font> matrix<font color='#5555FF'>&lt;</font><font color='#0000FF'><u>double</u></font>,<font color='#979000'>0</font>,<font color='#979000'>1</font><font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> weights_,
<font color='#0000FF'>const</font> feature_extractor<font color='#5555FF'>&amp;</font> fe_
<font face='Lucida Console'>)</font> : w<font face='Lucida Console'>(</font>weights_<font face='Lucida Console'>)</font>, fe<font face='Lucida Console'>(</font>fe_<font face='Lucida Console'>)</font> <b>{</b><b>}</b>
action_type <b><a name='operator'></a>operator</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font>
<font color='#0000FF'>const</font> state_type<font color='#5555FF'>&amp;</font> state
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
<b>{</b>
<font color='#0000FF'>return</font> fe.<font color='#BB00BB'>find_best_action</font><font face='Lucida Console'>(</font>state,w<font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'>const</font> feature_extractor<font color='#5555FF'>&amp;</font> <b><a name='get_feature_extractor'></a>get_feature_extractor</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> fe; <b>}</b>
<font color='#0000FF'>const</font> matrix<font color='#5555FF'>&lt;</font><font color='#0000FF'><u>double</u></font>,<font color='#979000'>0</font>,<font color='#979000'>1</font><font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> <b><a name='get_weights'></a>get_weights</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> w; <b>}</b>
<font color='#0000FF'>private</font>:
matrix<font color='#5555FF'>&lt;</font><font color='#0000FF'><u>double</u></font>,<font color='#979000'>0</font>,<font color='#979000'>1</font><font color='#5555FF'>&gt;</font> w;
feature_extractor fe;
<b>}</b>;
<font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font> <font color='#0000FF'>typename</font> feature_extractor <font color='#5555FF'>&gt;</font>
<font color='#0000FF'>inline</font> <font color='#0000FF'><u>void</u></font> <b><a name='serialize'></a>serialize</b><font face='Lucida Console'>(</font><font color='#0000FF'>const</font> policy<font color='#5555FF'>&lt;</font>feature_extractor<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> item, std::ostream<font color='#5555FF'>&amp;</font> out<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'><u>int</u></font> version <font color='#5555FF'>=</font> <font color='#979000'>1</font>;
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>version, out<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>item.<font color='#BB00BB'>get_feature_extractor</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>, out<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>item.<font color='#BB00BB'>get_weights</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>, out<font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font> <font color='#0000FF'>typename</font> feature_extractor <font color='#5555FF'>&gt;</font>
<font color='#0000FF'>inline</font> <font color='#0000FF'><u>void</u></font> <b><a name='deserialize'></a>deserialize</b><font face='Lucida Console'>(</font>policy<font color='#5555FF'>&lt;</font>feature_extractor<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> item, std::istream<font color='#5555FF'>&amp;</font> in<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'><u>int</u></font> version <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>version, in<font face='Lucida Console'>)</font>;
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>version <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>1</font><font face='Lucida Console'>)</font>
<font color='#0000FF'>throw</font> <font color='#BB00BB'>serialization_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unexpected version found while deserializing dlib::policy object.</font>"<font face='Lucida Console'>)</font>;
feature_extractor fe;
matrix<font color='#5555FF'>&lt;</font><font color='#0000FF'><u>double</u></font>,<font color='#979000'>0</font>,<font color='#979000'>1</font><font color='#5555FF'>&gt;</font> w;
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>fe, in<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>w, in<font face='Lucida Console'>)</font>;
item <font color='#5555FF'>=</font> policy<font color='#5555FF'>&lt;</font>feature_extractor<font color='#5555FF'>&gt;</font><font face='Lucida Console'>(</font>w,fe<font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<b>}</b>
<font color='#0000FF'>#endif</font> <font color='#009900'>// DLIB_APPROXIMATE_LINEAR_MODELS_Hh_
</font>
</pre></body></html>