<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=us-ascii">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Consolas;
panose-1:2 11 6 9 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
span.E-MailFormatvorlage17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 2.0cm 70.85pt;}
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="DE" link="#0563C1" vlink="#954F72">
<div class="WordSection1">
<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am trying to define my on cut generator. My test problem is noswot problem from miplib 3. When I add the following generator (reduced from my generator) to my model, the assert „<span style="font-size:9.5pt;font-family:Consolas;color:#6F008A;background:white;mso-highlight:white">assert</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
(iSwitch >= 0 && iSwitch < 2);</span><span style="font-size:9.5pt;font-family:Consolas;color:black">“ in CbcModel.cpp, line 9401 fails. If compiled in release mode (turning asserts off), the correct solution is found.</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">::CustomCutGenerator()
: </span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CglCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">() { }<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">::CustomCutGenerator(</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> &
</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">other</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">) {}<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">::~CustomCutGenerator()<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> {}<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> std::</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">string</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">::generateCpp(</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">FILE</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">*
</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">file</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">)<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> {<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#A31515;background:white;mso-highlight:white">"customCutGenerator"</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> }<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">void</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">::generateCuts(</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">OsiSolverInterface</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> &</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">si</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">,
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">OsiCuts</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> &</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">cs</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">,
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CglTreeInfo</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">info</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">)<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> {}<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CglCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">*
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">::clone()
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> {<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">new</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">();<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> }<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> &
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">::operator=(</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CustomCutGenerator</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">&
</span><span style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">rhs</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">) {<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *</span><span style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">this</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> }<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">CustomCutGenerator implements
</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">CglCutGenerator. Any help why this happens and/or how to fix it would be welcomed. Especially since the user guide chapter on cuts is empty. Feel free
to ask for more information.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">I am using Cbc 2.9.8 and Microsoft visual C++ 2013.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">Thanks<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">Tobias<o:p></o:p></span></p>
</div>
</body>
</html>