127 lines
7.2 KiB
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127 lines
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<div id="projectname">OpenJPEG
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 <span id="projectnumber">2.5.0</span>
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<li class="navelem"><a class="el" href="dir_43e0a1f539e00dcfa1a6bc4d4fee4fc2.html">home</a></li><li class="navelem"><a class="el" href="dir_cb9b2b419d92b64f7cee83d8faf7a4ab.html">even</a></li><li class="navelem"><a class="el" href="dir_f75d9a0165d6564a1e04793ef847d41d.html">openjpeg</a></li><li class="navelem"><a class="el" href="dir_5f588d7ea139c1aae751d03c13a16064.html">openjpeg</a></li><li class="navelem"><a class="el" href="dir_378f732e812ef6cbaaae22e96a4fa79f.html">src</a></li><li class="navelem"><a class="el" href="dir_19dcb5713315405a27e1bde75a489a4c.html">lib</a></li><li class="navelem"><a class="el" href="dir_54e5bc4f0640fea590afaf04f4d9c88d.html">openjp2</a></li> </ul>
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<div class="title">invert.h File Reference</div> </div>
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<div class="contents">
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<p>Implementation of the matrix inversion.
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<a href="#details">More...</a></p>
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<p><a href="invert_8h_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Exported functions</div></td></tr>
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<tr class="memitem:a7a19282d629041177b0c0fdf8a039b08"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="invert_8h.html#a7a19282d629041177b0c0fdf8a039b08">opj_matrix_inversion_f</a> (<a class="el" href="openjpeg_8h.html#a62c71ae712322de0bef73cebae23fa04">OPJ_FLOAT32</a> *pSrcMatrix, <a class="el" href="openjpeg_8h.html#a62c71ae712322de0bef73cebae23fa04">OPJ_FLOAT32</a> *pDestMatrix, <a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> nb_compo)</td></tr>
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<tr class="memdesc:a7a19282d629041177b0c0fdf8a039b08"><td class="mdescLeft"> </td><td class="mdescRight">Calculates a n x n double matrix inversion with a LUP method. <a href="invert_8h.html#a7a19282d629041177b0c0fdf8a039b08">More...</a><br /></td></tr>
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<tr class="separator:a7a19282d629041177b0c0fdf8a039b08"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Implementation of the matrix inversion. </p>
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<p>The function in <a class="el" href="invert_8h.html" title="Implementation of the matrix inversion.">INVERT.H</a> compute a matrix inversion with a LUP method </p>
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</div><h2 class="groupheader">Function Documentation</h2>
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<a id="a7a19282d629041177b0c0fdf8a039b08"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a7a19282d629041177b0c0fdf8a039b08">◆ </a></span>opj_matrix_inversion_f()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> opj_matrix_inversion_f </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a62c71ae712322de0bef73cebae23fa04">OPJ_FLOAT32</a> * </td>
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<td class="paramname"><em>pSrcMatrix</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a62c71ae712322de0bef73cebae23fa04">OPJ_FLOAT32</a> * </td>
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<td class="paramname"><em>pDestMatrix</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td>
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<td class="paramname"><em>nb_compo</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Calculates a n x n double matrix inversion with a LUP method. </p>
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<p>Data is aligned, rows after rows (or columns after columns). The function does not take ownership of any memory block, data must be fred by the user.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">pSrcMatrix</td><td>the matrix to invert. </td></tr>
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<tr><td class="paramname">pDestMatrix</td><td>data to store the inverted matrix. </td></tr>
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<tr><td class="paramname">nb_compo</td><td>size of the matrix </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>OPJ_TRUE if the inversion is successful, OPJ_FALSE if the matrix is singular.</dd></dl>
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<p>Calculates a n x n double matrix inversion with a LUP method. </p>
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<p class="reference">References <a class="el" href="openjpeg_8h.html#ac672bfd7db39c609e828acb07a321964">OPJ_FALSE</a>, <a class="el" href="opj__malloc_8c.html#a9d7d909f8dc1a2c23313c48645341e81">opj_free()</a>, <a class="el" href="invert_8c.html#a40666080ced941508395998c700a4b70">opj_lupDecompose()</a>, <a class="el" href="invert_8c.html#a88339411e582e3c36af4b808df8561e4">opj_lupInvert()</a>, <a class="el" href="opj__malloc_8c.html#a49c70931cbed786f6eef5f095bcb2917">opj_malloc()</a>, and <a class="el" href="openjpeg_8h.html#a04830036d767cba56cbf5ae5bdc481d3">OPJ_TRUE</a>.</p>
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<p class="reference">Referenced by <a class="el" href="j2k_8h.html#a4a6561d0899d91b38099da38814cbe86">opj_j2k_setup_encoder()</a>.</p>
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