<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-2022-jp">
<meta name="Generator" content="Microsoft Word 14 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"\@SimSun";
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"MS PGothic";
panose-1:2 11 6 0 7 2 5 8 2 4;}
@font-face
{font-family:"\@MS PGothic";
panose-1:2 11 6 0 7 2 5 8 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"MS PGothic","sans-serif";
mso-fareast-language:JA;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It is used in AlpsPriorityQueue.h<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New";background:silver;mso-highlight:silver;mso-fareast-language:ZH-CN">
<span style="color:#BB0000">/** Set comparison function and resort heap. */</span></span><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:black;mso-highlight:black;mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:silver;mso-highlight:silver;mso-fareast-language:ZH-CN">
</span><span style="font-size:10.0pt;font-family:"Courier New";color:#00BB00;background:silver;mso-highlight:silver;mso-fareast-language:ZH-CN">void</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:silver;mso-highlight:silver;mso-fareast-language:ZH-CN">
</span><span style="font-size:10.0pt;font-family:"Courier New";color:#8C8CFF;background:silver;mso-highlight:silver;mso-fareast-language:ZH-CN">setComparison</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:silver;mso-highlight:silver;mso-fareast-language:ZH-CN">(AlpsSearchStrategy<T>&
c) {</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:black;mso-highlight:black;mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:silver;mso-highlight:silver;mso-fareast-language:ZH-CN"> comparison_.strategy_ = &c;</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:black;mso-highlight:black;mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:silver;mso-highlight:silver;mso-fareast-language:ZH-CN"> std::make_heap(vec_.begin(), vec_.end(), comparison_);</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:black;mso-highlight:black;mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:silver;mso-highlight:silver;mso-fareast-language:ZH-CN"> }</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;background:black;mso-highlight:black;mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> chipps-bounces@list.coin-or.org [mailto:chipps-bounces@list.coin-or.org]
<b>On Behalf Of </b>???<br>
<b>Sent:</b> Saturday, February 25, 2012 8:30 AM<br>
<b>To:</b> chipps@list.coin-or.org<br>
<b>Cc:</b> geogrid@gmail.com<br>
<b>Subject:</b> [CHiPPS] Is This A Bug?<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">Your Honor Processors,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> I am puzzled by some code I found in Alps/src/AlpsSearchStrategy.h line 82-84 and in Alps/src/AlpsSearchStrategy.cpp line 55-58<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> There are comment in AlpsSearchStrategy.h<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> /** This returns true if the quality of the subtree y is better (the less the better) than that the subtree x. */<br>
virtual bool compare(AlpsSubTree * x, AlpsSubTree * y);<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> While in AlpsSearchStrategy.cpp<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> bool <br>
AlpsTreeSelectionBest::compare(AlpsSubTree * x, AlpsSubTree * y) <br>
{<br>
return (x->getQuality() < y->getQuality());<br>
} <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> obviously it will return true if x is better than y, is this conflicted to AlpsSearchStrategy.h?<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> Because I can`t find where the compare() is called, so I can`t make sure if it is a bug.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> Could explain it to me? Thank you very much!<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> Best Wishes.<o:p></o:p></p>
</div>
</div>
</body>
</html>