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67  <div class="navpath"><b>itpp</b>::<a class="el" href="classitpp_1_1Fix__Base.html">Fix_Base</a>
68  </div>
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70<div class="contents">
71<h1>itpp::Fix_Base Class Reference<br>
72<small>
73[<a class="el" href="group__fixed.html">Fixed-point Module</a>]</small>
74</h1><!-- doxytag: class="itpp::Fix_Base" -->Base class for fixed-point data types. 
75<a href="#_details">More...</a>
76<p>
77<code>#include &lt;<a class="el" href="fix__base_8h-source.html">fix_base.h</a>&gt;</code>
78<p>
79
80<p>
81<a href="classitpp_1_1Fix__Base-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
82<tr><td></td></tr>
83<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
84<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1f537e7615fcf7fe1363bfc0e6f833b6"></a><!-- doxytag: member="itpp::Fix_Base::Fix_Base" ref="1f537e7615fcf7fe1363bfc0e6f833b6" args="(int s=0, int w=MAX_WORDLEN, e_mode e=TC, o_mode o=WRAP, q_mode q=TRN, Stat *ptr=0)" -->
85&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#1f537e7615fcf7fe1363bfc0e6f833b6">Fix_Base</a> (int s=0, int w=MAX_WORDLEN, <a class="el" href="group__fixed.html#g3a204def662e60bf9bb54d27db09450d">e_mode</a> e=TC, <a class="el" href="group__fixed.html#g18d0ad4d7280177b761737a7b8b5c45d">o_mode</a> o=WRAP, <a class="el" href="group__fixed.html#ga644362f0b3d795ce8521326e20fed11">q_mode</a> q=TRN, <a class="el" href="classitpp_1_1Stat.html">Stat</a> *ptr=0)</td></tr>
86
87<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor. <br></td></tr>
88<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fc987db381878a8eed280cba934efc62"></a><!-- doxytag: member="itpp::Fix_Base::Fix_Base" ref="fc987db381878a8eed280cba934efc62" args="(const Fix_Base &amp;x)" -->
89&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#fc987db381878a8eed280cba934efc62">Fix_Base</a> (const <a class="el" href="classitpp_1_1Fix__Base.html">Fix_Base</a> &amp;x)</td></tr>
90
91<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Copy constructor. <br></td></tr>
92<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2ba0e0c2c78771eb4edfa8aaeae1c645"></a><!-- doxytag: member="itpp::Fix_Base::~Fix_Base" ref="2ba0e0c2c78771eb4edfa8aaeae1c645" args="()" -->
93virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#2ba0e0c2c78771eb4edfa8aaeae1c645">~Fix_Base</a> ()</td></tr>
94
95<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destructor. <br></td></tr>
96<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7a05413f5e542cdd1b735df84a49a9d7"></a><!-- doxytag: member="itpp::Fix_Base::set_shift" ref="7a05413f5e542cdd1b735df84a49a9d7" args="(int s)" -->
97void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#7a05413f5e542cdd1b735df84a49a9d7">set_shift</a> (int s)</td></tr>
98
99<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set shift (without shifting). <br></td></tr>
100<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e1224ef62f15c1dcfddc2248697f554a"></a><!-- doxytag: member="itpp::Fix_Base::get_shift" ref="e1224ef62f15c1dcfddc2248697f554a" args="() const " -->
101int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#e1224ef62f15c1dcfddc2248697f554a">get_shift</a> () const </td></tr>
102
103<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get shift. <br></td></tr>
104<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b74c044914a82a3ebe62d22b63a17443"></a><!-- doxytag: member="itpp::Fix_Base::get_wordlen" ref="b74c044914a82a3ebe62d22b63a17443" args="() const " -->
105int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#b74c044914a82a3ebe62d22b63a17443">get_wordlen</a> () const </td></tr>
106
107<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get word length. <br></td></tr>
108<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8386a40c4e89c5e168f842ed0110d350"></a><!-- doxytag: member="itpp::Fix_Base::get_e_mode" ref="8386a40c4e89c5e168f842ed0110d350" args="() const " -->
109<a class="el" href="group__fixed.html#g3a204def662e60bf9bb54d27db09450d">e_mode</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#8386a40c4e89c5e168f842ed0110d350">get_e_mode</a> () const </td></tr>
110
111<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get sign encoding mode. <br></td></tr>
112<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="09c41cd48dcebfa5f81ad6c25f598efc"></a><!-- doxytag: member="itpp::Fix_Base::get_o_mode" ref="09c41cd48dcebfa5f81ad6c25f598efc" args="() const " -->
113<a class="el" href="group__fixed.html#g18d0ad4d7280177b761737a7b8b5c45d">o_mode</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#09c41cd48dcebfa5f81ad6c25f598efc">get_o_mode</a> () const </td></tr>
114
115<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get overflow mode. <br></td></tr>
116<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3002313e41418c3bbe811eada7c2e130"></a><!-- doxytag: member="itpp::Fix_Base::get_q_mode" ref="3002313e41418c3bbe811eada7c2e130" args="() const " -->
117<a class="el" href="group__fixed.html#ga644362f0b3d795ce8521326e20fed11">q_mode</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#3002313e41418c3bbe811eada7c2e130">get_q_mode</a> () const </td></tr>
118
119<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get quantization mode. <br></td></tr>
120<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a2da77fa593c07c810502e1934c44f73"></a><!-- doxytag: member="itpp::Fix_Base::get_output_mode" ref="a2da77fa593c07c810502e1934c44f73" args="() const " -->
121<a class="el" href="group__fixed.html#gb8f9923897b39fd81e902f3874d8cfa6">output_mode</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#a2da77fa593c07c810502e1934c44f73">get_output_mode</a> () const </td></tr>
122
123<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get output mode. <br></td></tr>
124<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e5d07261c4ebc2dcbedb939c2330bb6e"></a><!-- doxytag: member="itpp::Fix_Base::get_max" ref="e5d07261c4ebc2dcbedb939c2330bb6e" args="() const " -->
125fixrep&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#e5d07261c4ebc2dcbedb939c2330bb6e">get_max</a> () const </td></tr>
126
127<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get maximum value of data representation. <br></td></tr>
128<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d5081fe8e1b1efc5ac63fe28bf021429"></a><!-- doxytag: member="itpp::Fix_Base::get_min" ref="d5081fe8e1b1efc5ac63fe28bf021429" args="() const " -->
129fixrep&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#d5081fe8e1b1efc5ac63fe28bf021429">get_min</a> () const </td></tr>
130
131<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get minimum value of data representation. <br></td></tr>
132<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="830685e55e4442dc20b6e099fc6bdd3d"></a><!-- doxytag: member="itpp::Fix_Base::print" ref="830685e55e4442dc20b6e099fc6bdd3d" args="() const " -->
133virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#830685e55e4442dc20b6e099fc6bdd3d">print</a> () const </td></tr>
134
135<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Print restrictions. <br></td></tr>
136<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
137<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1b6e783a90a7d248be0fa88f0a811846"></a><!-- doxytag: member="itpp::Fix_Base::set_output_mode" ref="1b6e783a90a7d248be0fa88f0a811846" args="(output_mode o)" -->
138static void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#1b6e783a90a7d248be0fa88f0a811846">set_output_mode</a> (<a class="el" href="group__fixed.html#gb8f9923897b39fd81e902f3874d8cfa6">output_mode</a> o)</td></tr>
139
140<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set output mode to OUTPUT_FIX, OUTPUT_FIX_SHIFT, OUTPUT_FLOAT or OUTPUT_FLOAT_SHIFT. Static member function. <br></td></tr>
141<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="840d8ead0a9822ba09948d63d8372204"></a><!-- doxytag: member="itpp::Fix_Base::set_output_mode" ref="840d8ead0a9822ba09948d63d8372204" args="(std::string o)" -->
142static void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#840d8ead0a9822ba09948d63d8372204">set_output_mode</a> (std::string o)</td></tr>
143
144<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set output mode to "OUTPUT_FIX", "OUTPUT_FIX_SHIFT", "OUTPUT_FLOAT" or "OUTPUT_FLOAT_SHIFT". Static member function. <br></td></tr>
145<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
146<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8eddb36f30ace96ad69835eb4f821deb"></a><!-- doxytag: member="itpp::Fix_Base::init" ref="8eddb36f30ace96ad69835eb4f821deb" args="()" -->
147void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#8eddb36f30ace96ad69835eb4f821deb">init</a> ()</td></tr>
148
149<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Calculate help variables min, max and n_unused_bits. <br></td></tr>
150<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d5793faefe33b344b0d74a21ceca81a4"></a><!-- doxytag: member="itpp::Fix_Base::apply_o_mode" ref="d5793faefe33b344b0d74a21ceca81a4" args="(fixrep x) const " -->
151fixrep&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#d5793faefe33b344b0d74a21ceca81a4">apply_o_mode</a> (fixrep x) const </td></tr>
152
153<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Handle overflows using overflow mode <code>omode</code> and make call to statistics object (if any). <br></td></tr>
154<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a881bc83f4be90b9f7fb7f87b0953f25"></a><!-- doxytag: member="itpp::Fix_Base::scale_and_apply_modes" ref="a881bc83f4be90b9f7fb7f87b0953f25" args="(double x) const " -->
155fixrep&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#a881bc83f4be90b9f7fb7f87b0953f25">scale_and_apply_modes</a> (double x) const </td></tr>
156
157<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Convert from <code>double</code> to <code>fixrep</code> using <code>shift</code> and quantization mode <code>qmode</code>, then call <code>limit()</code>. <br></td></tr>
158<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="257c29b48b839d5b003d23e23c6eaa51"></a><!-- doxytag: member="itpp::Fix_Base::scale_and_apply_modes" ref="257c29b48b839d5b003d23e23c6eaa51" args="(double x, q_mode q) const " -->
159fixrep&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#257c29b48b839d5b003d23e23c6eaa51">scale_and_apply_modes</a> (double x, <a class="el" href="group__fixed.html#ga644362f0b3d795ce8521326e20fed11">q_mode</a> q) const </td></tr>
160
161<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Convert from <code>double</code> to <code>fixrep</code> using <code>shift</code> and quantization mode <code>q</code>, then call <code>limit()</code>. <br></td></tr>
162<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ef3711deb8dbca9ebc800f09bb20e52b"></a><!-- doxytag: member="itpp::Fix_Base::rshift_and_apply_q_mode" ref="ef3711deb8dbca9ebc800f09bb20e52b" args="(fixrep x, int n) const " -->
163fixrep&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#ef3711deb8dbca9ebc800f09bb20e52b">rshift_and_apply_q_mode</a> (fixrep x, int n) const </td></tr>
164
165<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Right shift <code>n</code> bits using quantization mode <code>qmode</code> and make call to statistics object (if any). <br></td></tr>
166<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2d67d2d40e98278be8b0f9addcbb7e71"></a><!-- doxytag: member="itpp::Fix_Base::rshift_and_apply_q_mode" ref="2d67d2d40e98278be8b0f9addcbb7e71" args="(fixrep x, int n, q_mode q) const " -->
167fixrep&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#2d67d2d40e98278be8b0f9addcbb7e71">rshift_and_apply_q_mode</a> (fixrep x, int n, <a class="el" href="group__fixed.html#ga644362f0b3d795ce8521326e20fed11">q_mode</a> q) const </td></tr>
168
169<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Right shift <code>n</code> bits using quantization mode <code>q</code> and make call to statistics object (if any). <br></td></tr>
170<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
171<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c42e876a20028d8c7538d6f1d4754d6a"></a><!-- doxytag: member="itpp::Fix_Base::shift" ref="c42e876a20028d8c7538d6f1d4754d6a" args="" -->
172int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#c42e876a20028d8c7538d6f1d4754d6a">shift</a></td></tr>
173
174<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Accumulated bitshift (positive means left-shifted, negative means right-shifted). <br></td></tr>
175<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4872b2d730a546e017a75006a99580a6"></a><!-- doxytag: member="itpp::Fix_Base::wordlen" ref="4872b2d730a546e017a75006a99580a6" args="" -->
176int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#4872b2d730a546e017a75006a99580a6">wordlen</a></td></tr>
177
178<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Word length. <br></td></tr>
179<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9ee6bb0d7811e0ec284c19d6497b0b83"></a><!-- doxytag: member="itpp::Fix_Base::emode" ref="9ee6bb0d7811e0ec284c19d6497b0b83" args="" -->
180<a class="el" href="group__fixed.html#g3a204def662e60bf9bb54d27db09450d">e_mode</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#9ee6bb0d7811e0ec284c19d6497b0b83">emode</a></td></tr>
181
182<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Sign encoding mode. <br></td></tr>
183<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d1b464ea0c3db8fa8c70d9740147ca6c"></a><!-- doxytag: member="itpp::Fix_Base::omode" ref="d1b464ea0c3db8fa8c70d9740147ca6c" args="" -->
184<a class="el" href="group__fixed.html#g18d0ad4d7280177b761737a7b8b5c45d">o_mode</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#d1b464ea0c3db8fa8c70d9740147ca6c">omode</a></td></tr>
185
186<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Overflow mode. <br></td></tr>
187<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="cd49b5854e52ef93458f4776e1007b1a"></a><!-- doxytag: member="itpp::Fix_Base::qmode" ref="cd49b5854e52ef93458f4776e1007b1a" args="" -->
188<a class="el" href="group__fixed.html#ga644362f0b3d795ce8521326e20fed11">q_mode</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#cd49b5854e52ef93458f4776e1007b1a">qmode</a></td></tr>
189
190<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Quantization mode. <br></td></tr>
191<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a23b1ecd00cd0f0c8fa9b3b5c669a93d"></a><!-- doxytag: member="itpp::Fix_Base::stat_ptr" ref="a23b1ecd00cd0f0c8fa9b3b5c669a93d" args="" -->
192<a class="el" href="classitpp_1_1Stat.html">Stat</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#a23b1ecd00cd0f0c8fa9b3b5c669a93d">stat_ptr</a></td></tr>
193
194<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Pointer to statistics object. <br></td></tr>
195<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8be9255ceb6b64a27d8676a5ad0538b5"></a><!-- doxytag: member="itpp::Fix_Base::min" ref="8be9255ceb6b64a27d8676a5ad0538b5" args="" -->
196fixrep&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#8be9255ceb6b64a27d8676a5ad0538b5">min</a></td></tr>
197
198<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Minimum allowed value (help variable to speed up calculations). <br></td></tr>
199<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a40800c298b67fddd475675d39b5c073"></a><!-- doxytag: member="itpp::Fix_Base::max" ref="a40800c298b67fddd475675d39b5c073" args="" -->
200fixrep&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#a40800c298b67fddd475675d39b5c073">max</a></td></tr>
201
202<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Maximum allowed value (help variable to speed up calculations). <br></td></tr>
203<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2fb62ee12fe593f6df2afb1a6ac6b43d"></a><!-- doxytag: member="itpp::Fix_Base::n_unused_bits" ref="2fb62ee12fe593f6df2afb1a6ac6b43d" args="" -->
204int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Fix__Base.html#2fb62ee12fe593f6df2afb1a6ac6b43d">n_unused_bits</a></td></tr>
205
206<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Number of unused (MSB) bits (help variable to speed up calculations). <br></td></tr>
207</table>
208<hr><a name="_details"></a><h2>Detailed Description</h2>
209Base class for fixed-point data types.
210<p>
211See the Detailed Description in the <a class="el" href="group__fixed.html">Fixed-point Module</a> module. <hr>The documentation for this class was generated from the following files:<ul>
212<li><a class="el" href="fix__base_8h-source.html">fix_base.h</a><li><a class="el" href="fix__base_8cpp.html">fix_base.cpp</a></ul>
213</div>
214<hr size="1"><address style="text-align: right;"><small>Generated on Tue Jun 2 10:02:19 2009 for mixpp by&nbsp;
215<a href="http://www.doxygen.org/index.html">
216<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
217</body>
218</html>
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