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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* ========================================================================== */</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/* === ldl.h: include file for the LDL package ============================= */</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">/* ========================================================================== */</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>  </div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">/* Copyright (c) Timothy A Davis, http://www.suitesparse.com.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">* All Rights Reserved. See LDL/Doc/License.txt for the License.</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">*</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">* Modified by Abhishek Pandala</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">* Changes Made : 1) Removed int and long versions of the code and created a single</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">* unified version</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">* 2) Added two more functions LDL_cache_numeric and LDL_row_cache_numeric</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef __LDL_H__</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define __LDL_H__</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "GlobalOptions.h"</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keywordtype">void</span> LDL_symbolic(qp_int n, qp_int Ap[],</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  qp_int Ai[], qp_int Lp[],</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  qp_int Parent[], qp_int Lnz[],</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  qp_int Flag[], qp_int P[],</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  qp_int Pinv[]);</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> qp_int LDL_numeric(qp_int n, qp_int Ap[],</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  qp_int Ai[], qp_real Ax[], qp_int Lp[],</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  qp_int Parent[], qp_int Lnz[],</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  qp_int Li[], qp_real Lx[], qp_real D[], qp_real Y[],</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  qp_int Pattern[], qp_int Flag[],</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  qp_int P[], qp_int Pinv[]);</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> qp_int LDL_cache_numeric(qp_int n, qp_int Ap[],</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  qp_int Ai[], qp_real Ax[], qp_int Ltp[], qp_int Lti[],</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  qp_int Li[], qp_int Lp[], qp_real Lx[], qp_real D[], qp_real Y[],</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  qp_int P[], qp_int Pinv[], qp_int UPattern[]);</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> qp_int LDL_row_cache_numeric(qp_int n, qp_int Ap[],</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  qp_int Ai[], qp_real Ax[], qp_int Ltp[], qp_int Lti[],</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  qp_int Li[], qp_int Lp[], qp_real Lx[], qp_real D[], qp_real Y[],</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  qp_int P[], qp_int Pinv[], qp_int UPattern[]);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keywordtype">void</span> LDL_lsolve(qp_int n, qp_real X[], qp_int Lp[],</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  qp_int Li[], qp_real Lx[]);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keywordtype">void</span> LDL_dsolve(qp_int n, qp_real X[], qp_real D[]);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">void</span> LDL_ltsolve(qp_int n, qp_real X[], qp_int Lp[],</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  qp_int Li[], qp_real Lx[]);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">void</span> LDL_perm(qp_int n, qp_real X[], qp_real B[],</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  qp_int P[]);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keywordtype">void</span> LDL_permt(qp_int n, qp_real X[], qp_real B[],</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  qp_int P[]);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> qp_int LDL_valid_perm(qp_int n, qp_int P[],</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  qp_int Flag[]);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> qp_int LDL_valid_matrix(qp_int n,</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  qp_int Ap[], qp_int Ai[]);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">/* ========================================================================== */</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">/* === LDL version ========================================================== */</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">/* ========================================================================== */</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#define LDL_DATE "May 4, 2016"</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#define LDL_VERSION_CODE(main,sub) ((main) * 1000 + (sub))</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#define LDL_MAIN_VERSION 2</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#define LDL_SUB_VERSION 2</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#define LDL_SUBSUB_VERSION 6</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#define LDL_VERSION LDL_VERSION_CODE(LDL_MAIN_VERSION,LDL_SUB_VERSION)</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#endif</span></div>
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