<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>SuperLU: SRC/smyblas2.c File Reference</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.5 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> </div> <div class="contents"> <h1>SRC/smyblas2.c File Reference</h1>Level 2 Blas operations. <a href="#_details">More...</a> <p> <table border="0" cellpadding="0" cellspacing="0"> <tr><td></td></tr> <tr><td colspan="2"><br><h2>Functions</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="smyblas2_8c.html#2c2e291d9f0825630425f05925633916">slsolve</a> (int ldm, int ncol, float *M, float *rhs)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Solves a dense UNIT lower triangular system. <a href="#2c2e291d9f0825630425f05925633916"></a><br></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="smyblas2_8c.html#32cc084708387e72f8f7d269226237a0">susolve</a> (int ldm, int ncol, float *M, float *rhs)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Solves a dense upper triangular system. <a href="#32cc084708387e72f8f7d269226237a0"></a><br></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="smyblas2_8c.html#3ba02ba32ea4e0eae40802c9c5d082e1">smatvec</a> (int ldm, int nrow, int ncol, float *M, float *vec, float *Mxvec)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Performs a dense matrix-vector multiply: Mxvec = Mxvec + M * vec. <a href="#3ba02ba32ea4e0eae40802c9c5d082e1"></a><br></td></tr> </table> <hr><a name="_details"></a><h2>Detailed Description</h2> <pre> -- SuperLU routine (version 2.0) -- Univ. of California Berkeley, Xerox Palo Alto Research Center, and Lawrence Berkeley National Lab. November 15, 1997 </pre> Purpose: Level 2 BLAS operations: solves and matvec, written in C. Note: This is only used when the system lacks an efficient BLAS library. <hr><h2>Function Documentation</h2> <a class="anchor" name="2c2e291d9f0825630425f05925633916"></a><!-- doxytag: member="smyblas2.c::slsolve" ref="2c2e291d9f0825630425f05925633916" args="(int ldm, int ncol, float *M, float *rhs)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void slsolve </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"> <em>ldm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"> <em>ncol</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">float * </td> <td class="paramname"> <em>M</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">float * </td> <td class="paramname"> <em>rhs</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td width="100%"></td> </tr> </table> </div> <div class="memdoc"> <p> The unit lower triangular matrix is stored in a 2D array M(1:nrow,1:ncol). The solution will be returned in the rhs vector. </div> </div><p> <a class="anchor" name="3ba02ba32ea4e0eae40802c9c5d082e1"></a><!-- doxytag: member="smyblas2.c::smatvec" ref="3ba02ba32ea4e0eae40802c9c5d082e1" args="(int ldm, int nrow, int ncol, float *M, float *vec, float *Mxvec)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void smatvec </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"> <em>ldm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"> <em>nrow</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"> <em>ncol</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">float * </td> <td class="paramname"> <em>M</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">float * </td> <td class="paramname"> <em>vec</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">float * </td> <td class="paramname"> <em>Mxvec</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td width="100%"></td> </tr> </table> </div> <div class="memdoc"> <p> The input matrix is M(1:nrow,1:ncol); The product is returned in Mxvec[]. </div> </div><p> <a class="anchor" name="32cc084708387e72f8f7d269226237a0"></a><!-- doxytag: member="smyblas2.c::susolve" ref="32cc084708387e72f8f7d269226237a0" args="(int ldm, int ncol, float *M, float *rhs)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void susolve </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"> <em>ldm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"> <em>ncol</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">float * </td> <td class="paramname"> <em>M</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">float * </td> <td class="paramname"> <em>rhs</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td width="100%"></td> </tr> </table> </div> <div class="memdoc"> <p> The upper triangular matrix is stored in a 2-dim array M(1:ldm,1:ncol). The solution will be returned in the rhs vector. </div> </div><p> </div> <hr size="1"><address style="text-align: right;"><small>Generated on Thu Aug 25 13:43:50 2011 for SuperLU by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.5 </small></address> </body> </html>