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<h1>src/libpocketsphinx/ngram_search_fwdtree.c File Reference</h1> </div>
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<p>Lexicon tree search.
<a href="#_details">More...</a></p>
<div class="textblock"><code>#include <string.h></code><br/>
<code>#include <assert.h></code><br/>
<code>#include <sphinxbase/ckd_alloc.h></code><br/>
<code>#include <sphinxbase/listelem_alloc.h></code><br/>
<code>#include <sphinxbase/err.h></code><br/>
<code>#include "<a class="el" href="ngram__search__fwdtree_8h_source.html">ngram_search_fwdtree.h</a>"</code><br/>
<code>#include "<a class="el" href="phone__loop__search_8h_source.html">phone_loop_search.h</a>"</code><br/>
</div>
<p><a href="ngram__search__fwdtree_8c_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a58360b0a332f35742f89edce94c649aa"></a><!-- doxytag: member="ngram_search_fwdtree.c::__CHAN_DUMP__" ref="a58360b0a332f35742f89edce94c649aa" args="" -->
#define </td><td class="memItemRight" valign="bottom"><b>__CHAN_DUMP__</b>   0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a268c1fbc6483e1ab06c007222f08d9ad"></a><!-- doxytag: member="ngram_search_fwdtree.c::chan_v_eval" ref="a268c1fbc6483e1ab06c007222f08d9ad" args="(chan)" -->
#define </td><td class="memItemRight" valign="bottom"><b>chan_v_eval</b>(chan)   hmm_vit_eval(&(chan)->hmm)</td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a72c89a2a1f189495abee00e1853cddcc"></a><!-- doxytag: member="ngram_search_fwdtree.c::ngram_fwdtree_init" ref="a72c89a2a1f189495abee00e1853cddcc" args="(ngram_search_t *ngs)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="ngram__search__fwdtree_8c.html#a72c89a2a1f189495abee00e1853cddcc">ngram_fwdtree_init</a> (<a class="el" href="structngram__search__s.html">ngram_search_t</a> *ngs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Initialize N-Gram search for fwdtree decoding. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0e0e0436b30e1074114e1d37991c5d6b"></a><!-- doxytag: member="ngram_search_fwdtree.c::ngram_fwdtree_deinit" ref="a0e0e0436b30e1074114e1d37991c5d6b" args="(ngram_search_t *ngs)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="ngram__search__fwdtree_8c.html#a0e0e0436b30e1074114e1d37991c5d6b">ngram_fwdtree_deinit</a> (<a class="el" href="structngram__search__s.html">ngram_search_t</a> *ngs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Release memory associated with fwdtree decoding. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa53827b47025d4e7a63f3ddce763d84e"></a><!-- doxytag: member="ngram_search_fwdtree.c::ngram_fwdtree_reinit" ref="aa53827b47025d4e7a63f3ddce763d84e" args="(ngram_search_t *ngs)" -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="ngram__search__fwdtree_8c.html#aa53827b47025d4e7a63f3ddce763d84e">ngram_fwdtree_reinit</a> (<a class="el" href="structngram__search__s.html">ngram_search_t</a> *ngs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Rebuild search structures for updated language models. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af736200cd01a5d743dbab447ecc85d08"></a><!-- doxytag: member="ngram_search_fwdtree.c::ngram_fwdtree_start" ref="af736200cd01a5d743dbab447ecc85d08" args="(ngram_search_t *ngs)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="ngram__search__fwdtree_8c.html#af736200cd01a5d743dbab447ecc85d08">ngram_fwdtree_start</a> (<a class="el" href="structngram__search__s.html">ngram_search_t</a> *ngs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Start fwdtree decoding for an utterance. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="ngram__search__fwdtree_8c.html#a9e2828ba0d249424a234b6cf7d3ee530">ngram_fwdtree_search</a> (<a class="el" href="structngram__search__s.html">ngram_search_t</a> *ngs, int frame_idx)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Search one frame forward in an utterance. <a href="#a9e2828ba0d249424a234b6cf7d3ee530"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af32a83dbb9187542577a0c500b000840"></a><!-- doxytag: member="ngram_search_fwdtree.c::ngram_fwdtree_finish" ref="af32a83dbb9187542577a0c500b000840" args="(ngram_search_t *ngs)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="ngram__search__fwdtree_8c.html#af32a83dbb9187542577a0c500b000840">ngram_fwdtree_finish</a> (<a class="el" href="structngram__search__s.html">ngram_search_t</a> *ngs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Finish fwdtree decoding for an utterance. <br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Lexicon tree search. </p>
<p>Definition in file <a class="el" href="ngram__search__fwdtree_8c_source.html">ngram_search_fwdtree.c</a>.</p>
</div><hr/><h2>Function Documentation</h2>
<a class="anchor" id="a9e2828ba0d249424a234b6cf7d3ee530"></a><!-- doxytag: member="ngram_search_fwdtree.c::ngram_fwdtree_search" ref="a9e2828ba0d249424a234b6cf7d3ee530" args="(ngram_search_t *ngs, int frame_idx)" -->
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<td class="memname">int ngram_fwdtree_search </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structngram__search__s.html">ngram_search_t</a> * </td>
<td class="paramname"><em>ngs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>frame_idx</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<div class="memdoc">
<p>Search one frame forward in an utterance. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>Number of frames searched (either 0 or 1). </dd></dl>
<p>Definition at line <a class="el" href="ngram__search__fwdtree_8c_source.html#l01455">1455</a> of file <a class="el" href="ngram__search__fwdtree_8c_source.html">ngram_search_fwdtree.c</a>.</p>
<p>References <a class="el" href="acmod_8c_source.html#l01082">acmod_score()</a>, <a class="el" href="ngram__search_8h_source.html#l00325">ngram_search_s::best_score</a>, <a class="el" href="ngram__search_8h_source.html#l00308">ngram_search_s::n_frame</a>, <a class="el" href="ngram__search_8c_source.html#l00344">ngram_search_mark_bptable()</a>, <a class="el" href="ngram__search_8h_source.html#l00335">ngram_search_s::st</a>, and <a class="el" href="hmm_8h_source.html#l00090">WORSE_THAN</a>.</p>
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<li class="navelem"><a class="el" href="ngram__search__fwdtree_8c.html">ngram_search_fwdtree.c</a> </li>
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