<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:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@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:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
font-size:10.5pt;
font-family:"Calibri","sans-serif";}
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.EmailStyle17
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
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="ZH-CN" link="#0563C1" vlink="#954F72" style="text-justify-trim:punctuation">
<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">I failed to fix this issue. Since many math functions have involved __ocl_function_pow, I think this issue should affect a lot.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Anyone would like give me a favor on debugging this issue?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> --Sun, Yi<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<div style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt">
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left"><b><span lang="EN-US" style="font-size:11.0pt">From:</span></b><span lang="EN-US" style="font-size:11.0pt"> Sun, Yi
<br>
<b>Sent:</b> Tuesday, August 20, 2013 3:07 PM<br>
<b>To:</b> 'beignet@lists.freedesktop.org'<br>
<b>Cc:</b> Jin, Gordon<br>
<b>Subject:</b> [Beignet] [BUG] built-in function pow conformance test fail<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">A test case is implemented as attached.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Following are some failure example.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">0/0: x:-20.500000, y:-20.500000 -> gpu:0.000000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">1/0: x:-20.500000, y:-1.000000 -> gpu:-20.500000 cpu:-0.048780<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2/0: x:-20.500000, y:-0.900000 -> gpu:-20.500000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">3/0: x:-20.500000, y:-0.010000 -> gpu:-20.500000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">4/0: x:-20.500000, y:0.000000 -> gpu:-20.500000 cpu:1.000000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">5/0: x:-20.500000, y:0.010000 -> gpu:-20.500000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">6/0: x:-20.500000, y:0.900000 -> gpu:-20.500000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">8/0: x:-20.500000, y:20.500000 -> gpu:-20.500000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">9/0: x:-1.000000, y:-20.500000 -> gpu:-20.500000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">11/0: x:-1.000000, y:-0.900000 -> gpu:-1.000000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">12/0: x:-1.000000, y:-0.010000 -> gpu:-1.000000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">13/0: x:-1.000000, y:0.000000 -> gpu:-1.000000 cpu:1.000000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">14/0: x:-1.000000, y:0.010000 -> gpu:-1.000000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">15/0: x:-1.000000, y:0.900000 -> gpu:-1.000000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">17/0: x:-1.000000, y:20.500000 -> gpu:-1.000000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">18/0: x:-0.900000, y:-20.500000 -> gpu:-1.000000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">19/0: x:-0.900000, y:-1.000000 -> gpu:-0.900000 cpu:-1.111111<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">20/0: x:-0.900000, y:-0.900000 -> gpu:-0.900000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">21/0: x:-0.900000, y:-0.010000 -> gpu:-0.900000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">22/0: x:-0.900000, y:0.000000 -> gpu:-0.900000 cpu:1.000000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">23/0: x:-0.900000, y:0.010000 -> gpu:-0.900000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">24/0: x:-0.900000, y:0.900000 -> gpu:-0.900000 cpu:-nan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> --Sun, Yi<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
</div>
</div>
</body>
</html>