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<div class="title">MatrixStream< Field > Class Template Reference</div> </div>
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<!-- doxytag: class="LinBox::MatrixStream" -->
<p><a class="el" href="class_lin_box_1_1_matrix_stream.html" title="MatrixStream.">MatrixStream</a>.
<a href="class_lin_box_1_1_matrix_stream.html#details">More...</a></p>
<p><code>#include <matrix-stream.h></code></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a3cfd999c4029d3fb0a316ee732a51790">MatrixStream</a> (const Field &fld, std::istream &in)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor from an input stream. <a href="#a3cfd999c4029d3fb0a316ee732a51790"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0a50117a3435db9ce2dee08f8fa8de88"></a><!-- doxytag: member="LinBox::MatrixStream::~MatrixStream" ref="a0a50117a3435db9ce2dee08f8fa8de88" args="()" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a0a50117a3435db9ce2dee08f8fa8de88">~MatrixStream</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a1d05d079fd4878dda8e25cc7fe71f48e">newmatrix</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Re initiliaze after one matrix has been read. <a href="#a1d05d079fd4878dda8e25cc7fe71f48e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a05be385bfe536188abe9ed13e4636e24">readWhiteSpace</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read some white space (if there is any). <a href="#a05be385bfe536188abe9ed13e4636e24"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a2efd838f92818ec4c255dbe6f11a2a7d">nextTriple</a> (size_t &, size_t &, Element &)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read the next triple of row index, column index, value and store it in the three referenced elements. <a href="#a2efd838f92818ec4c255dbe6f11a2a7d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a2daca8867d8a00c9bcfe4b81ef5224e7">getArray</a> (std::vector< Element > &array)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the whole matrix as a dense (row-major) array of elements. <a href="#a2daca8867d8a00c9bcfe4b81ef5224e7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#afb994e5ac68f8e7dec9a65e8064c6ffb">getRows</a> (size_t &)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the number of rows in the matrix and store it in the given size_t. <a href="#afb994e5ac68f8e7dec9a65e8064c6ffb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#ad1911494f8cc3592f6fcefc5a54d395e">getColumns</a> (size_t &)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the number of columns in the matrix and store it in the given size_t. <a href="#ad1911494f8cc3592f6fcefc5a54d395e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#aa4a09f499ea63e470ba3fc4be75ddbdc">getDimensions</a> (size_t &, size_t &)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the number of rows and columns in the matrix and store them in the given ints. <a href="#aa4a09f499ea63e470ba3fc4be75ddbdc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">MatrixStreamError </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#ae8790f9a33ae0366252d3d3353ebfd2e">getError</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the current state of the stream. <a href="#ae8790f9a33ae0366252d3d3353ebfd2e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">MatrixStreamError </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#aeb5389defe73a16ac70bb7ea83df29d1">reportError</a> (const char *, int) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Report the error to the error stream and return it. <a href="#aeb5389defe73a16ac70bb7ea83df29d1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#ae48a165945bebe01fd777069441e614e">getLineNumber</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">If the reader is in the GOOD state, get the line number it is on. <a href="#ae48a165945bebe01fd777069441e614e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const Field & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a0929913e2caa9fcfe3b2d22c23cac6d4">getField</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the Field that was passed to the constructor. <a href="#a0929913e2caa9fcfe3b2d22c23cac6d4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a41251223a5b6da9c3dd50ea4d77c6124">getFormat</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get a brief description of the format of the matrix being read. <a href="#a41251223a5b6da9c3dd50ea4d77c6124"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a587749d29820073aab5320e095f543c7">getShortFormat</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get a very brief description of the matrix format. <a href="#a587749d29820073aab5320e095f543c7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_matrix_stream.html#a1426c060cea5e8022d32c91afa5515e8">isSparse</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Tell if the matrix being read is sparse. <a href="#a1426c060cea5e8022d32c91afa5515e8"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><h3>template<class Field><br/>
class LinBox::MatrixStream< Field ></h3>
<p><a class="el" href="class_lin_box_1_1_matrix_stream.html" title="MatrixStream.">MatrixStream</a>. </p>
<dl><dt><b>Examples: </b></dt><dd>
<p><a class="el" href="examples_2checksolve_8_c-example.html#_a2">examples/checksolve.C</a>, <a class="el" href="examples_2det_8_c-example.html#_a4">examples/det.C</a>, <a class="el" href="examples_2doubledet_8_c-example.html#_a1">examples/doubledet.C</a>, <a class="el" href="examples_2echelon_8_c-example.html#_a2">examples/echelon.C</a>, <a class="el" href="examples_2rank_8_c-example.html#_a3">examples/rank.C</a>, <a class="el" href="examples_2smith_8_c-example.html#_a6">examples/smith.C</a>, <a class="el" href="examples_2smithvalence_8_c-example.html#_a2">examples/smithvalence.C</a>, <a class="el" href="examples_2solve_8_c-example.html#_a5">examples/solve.C</a>, <a class="el" href="examples_2sparseelimdet_8_c-example.html#_a4">examples/sparseelimdet.C</a>, <a class="el" href="examples_2sparseelimrank_8_c-example.html#_a3">examples/sparseelimrank.C</a>, and <a class="el" href="examples_2valence_8_c-example.html#_a4">examples/valence.C</a>.</p>
</dd>
</dl></div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a3cfd999c4029d3fb0a316ee732a51790"></a><!-- doxytag: member="LinBox::MatrixStream::MatrixStream" ref="a3cfd999c4029d3fb0a316ee732a51790" args="(const Field &fld, std::istream &in)" -->
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<td class="memname"><a class="el" href="class_lin_box_1_1_matrix_stream.html">MatrixStream</a> </td>
<td>(</td>
<td class="paramtype">const Field & </td>
<td class="paramname"><em>fld</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::istream & </td>
<td class="paramname"><em>in</em> </td>
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<td></td>
<td>)</td>
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<p>Constructor from an input stream. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">fld</td><td>The Field used to read Elements from the matrix. </td></tr>
<tr><td class="paramname">in</td><td>The input stream from which to read </td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname">MatrixStreamError</td><td>if an error occurs in reading the first line (i.e. on initialization). </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a1d05d079fd4878dda8e25cc7fe71f48e"></a><!-- doxytag: member="LinBox::MatrixStream::newmatrix" ref="a1d05d079fd4878dda8e25cc7fe71f48e" args="()" -->
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<td class="memname">void newmatrix </td>
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<p>Re initiliaze after one matrix has been read. </p>
</div>
</div>
<a class="anchor" id="a05be385bfe536188abe9ed13e4636e24"></a><!-- doxytag: member="LinBox::MatrixStream::readWhiteSpace" ref="a05be385bfe536188abe9ed13e4636e24" args="()" -->
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<td class="memname">bool readWhiteSpace </td>
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<p>Read some white space (if there is any). </p>
<p>Using this method is preferable to letting the input stream handle whitespace skipping because this method will update the line number when breaks are encountered. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true iff there is more data after the whitespace. </dd></dl>
</div>
</div>
<a class="anchor" id="a2efd838f92818ec4c255dbe6f11a2a7d"></a><!-- doxytag: member="LinBox::MatrixStream::nextTriple" ref="a2efd838f92818ec4c255dbe6f11a2a7d" args="(size_t &, size_t &, Element &)" -->
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<td class="memname">bool nextTriple </td>
<td>(</td>
<td class="paramtype">size_t & </td>
<td class="paramname"><em>m</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t & </td>
<td class="paramname"><em>n</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">Element & </td>
<td class="paramname"><em>v</em> </td>
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<p>Read the next triple of row index, column index, value and store it in the three referenced elements. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true iff the read succeeded. </dd></dl>
</div>
</div>
<a class="anchor" id="a2daca8867d8a00c9bcfe4b81ef5224e7"></a><!-- doxytag: member="LinBox::MatrixStream::getArray" ref="a2daca8867d8a00c9bcfe4b81ef5224e7" args="(std::vector< Element > &array)" -->
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<td class="memname">bool getArray </td>
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<td class="paramtype">std::vector< Element > & </td>
<td class="paramname"><em>array</em></td><td>)</td>
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<p>Get the whole matrix as a dense (row-major) array of elements. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">array</td><td>The array to fill with entries. May be resized as needed. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="afb994e5ac68f8e7dec9a65e8064c6ffb"></a><!-- doxytag: member="LinBox::MatrixStream::getRows" ref="afb994e5ac68f8e7dec9a65e8064c6ffb" args="(size_t &)" -->
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<td class="memname">bool getRows </td>
<td>(</td>
<td class="paramtype">size_t & </td>
<td class="paramname"><em>m</em></td><td>)</td>
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<p>Get the number of rows in the matrix and store it in the given size_t. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true iff the operation succeeded. </dd></dl>
</div>
</div>
<a class="anchor" id="ad1911494f8cc3592f6fcefc5a54d395e"></a><!-- doxytag: member="LinBox::MatrixStream::getColumns" ref="ad1911494f8cc3592f6fcefc5a54d395e" args="(size_t &)" -->
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<td class="memname">bool getColumns </td>
<td>(</td>
<td class="paramtype">size_t & </td>
<td class="paramname"><em>n</em></td><td>)</td>
<td></td>
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<p>Get the number of columns in the matrix and store it in the given size_t. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true iff the operation succeeded. </dd></dl>
</div>
</div>
<a class="anchor" id="aa4a09f499ea63e470ba3fc4be75ddbdc"></a><!-- doxytag: member="LinBox::MatrixStream::getDimensions" ref="aa4a09f499ea63e470ba3fc4be75ddbdc" args="(size_t &, size_t &)" -->
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<td>(</td>
<td class="paramtype">size_t & </td>
<td class="paramname"><em>m</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t & </td>
<td class="paramname"><em>n</em> </td>
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<td>)</td>
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<p>Get the number of rows and columns in the matrix and store them in the given ints. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true iff the operation succeeded. </dd></dl>
</div>
</div>
<a class="anchor" id="ae8790f9a33ae0366252d3d3353ebfd2e"></a><!-- doxytag: member="LinBox::MatrixStream::getError" ref="ae8790f9a33ae0366252d3d3353ebfd2e" args="() const " -->
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<p>Get the current state of the stream. </p>
<p>Especially useful if called after nextTriple or one of the get operations on failure to get some information on what caused the failure. </p>
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<a class="anchor" id="aeb5389defe73a16ac70bb7ea83df29d1"></a><!-- doxytag: member="LinBox::MatrixStream::reportError" ref="aeb5389defe73a16ac70bb7ea83df29d1" args="(const char *, int) const " -->
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<td class="paramtype">int </td>
<td class="paramname"><em>line</em> </td>
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<td>)</td>
<td></td><td> const</td>
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<p>Report the error to the error stream and return it. </p>
<p>Designed for throw operations. </p>
</div>
</div>
<a class="anchor" id="ae48a165945bebe01fd777069441e614e"></a><!-- doxytag: member="LinBox::MatrixStream::getLineNumber" ref="ae48a165945bebe01fd777069441e614e" args="() const " -->
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<p>If the reader is in the GOOD state, get the line number it is on. </p>
<p>Otherwise, get the line number on which the last error occurred. </p>
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<a class="anchor" id="a0929913e2caa9fcfe3b2d22c23cac6d4"></a><!-- doxytag: member="LinBox::MatrixStream::getField" ref="a0929913e2caa9fcfe3b2d22c23cac6d4" args="() const " -->
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<td class="memname">const Field& getField </td>
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<p>Get the Field that was passed to the constructor. </p>
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<a class="anchor" id="a41251223a5b6da9c3dd50ea4d77c6124"></a><!-- doxytag: member="LinBox::MatrixStream::getFormat" ref="a41251223a5b6da9c3dd50ea4d77c6124" args="() const " -->
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<td class="memname">const char* getFormat </td>
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<p>Get a brief description of the format of the matrix being read. </p>
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<a class="anchor" id="a587749d29820073aab5320e095f543c7"></a><!-- doxytag: member="LinBox::MatrixStream::getShortFormat" ref="a587749d29820073aab5320e095f543c7" args="() const " -->
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<p>Get a very brief description of the matrix format. </p>
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<a class="anchor" id="a1426c060cea5e8022d32c91afa5515e8"></a><!-- doxytag: member="LinBox::MatrixStream::isSparse" ref="a1426c060cea5e8022d32c91afa5515e8" args="() const " -->
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<td class="memname">bool isSparse </td>
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<p>Tell if the matrix being read is sparse. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if the matrix is sparse, false if it is dense. </dd></dl>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>matrix-stream.h</li>
<li>matrix-stream.inl</li>
</ul>
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<hr class="footer"/><address class="footer"><small>Generated on Tue Aug 30 2011 for linbox by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
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