<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: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:0in;
        margin-bottom:.0001pt;
        font-size:11.0pt;
        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;}
p
        {mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
        {mso-style-priority:34;
        margin-top:0in;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:.5in;
        margin-bottom:.0001pt;
        font-size:11.0pt;
        font-family:"Calibri","sans-serif";}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:"Calibri","sans-serif";
        color:windowtext;}
.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;}
/* List Definitions */
@list l0
        {mso-list-id:2034645354;
        mso-list-type:hybrid;
        mso-list-template-ids:1924464140 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}
@list l0:level1
        {mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;}
@list l0:level2
        {mso-level-number-format:alpha-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;}
@list l0:level3
        {mso-level-number-format:roman-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:right;
        text-indent:-9.0pt;}
@list l0:level4
        {mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;}
@list l0:level5
        {mso-level-number-format:alpha-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;}
@list l0:level6
        {mso-level-number-format:roman-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:right;
        text-indent:-9.0pt;}
@list l0:level7
        {mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;}
@list l0:level8
        {mso-level-number-format:alpha-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;}
@list l0:level9
        {mso-level-number-format:roman-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:right;
        text-indent:-9.0pt;}
ol
        {margin-bottom:0in;}
ul
        {margin-bottom:0in;}
--></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="#0563C1" vlink="#954F72">
<div class="WordSection1">
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">While running a web page which eventually runs a javascript, we are seeing, the data values (floating point) cease to pass correcty to
the JSC. To be precise, when in method:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">JSValue</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">::toNumber</span><span style="font-size:9.5pt;font-family:Consolas;color:black">()</span><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">When the tag is pointing to double type, but the ‘asDouble’ value is ‘PNaN’. So I have following questions:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">I am certain, the .js is sending right values, as I see them correctly passed in older EAport( based on
</span><span style="color:#203864">WebKit-r157437). Where should I check ‘u’ is getting faulty values from in JSC?</span><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">Is it okay for u.asBits.tag to be isDouble, whereas ‘asDouble’ value is not finite. What are the cases if it is?<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">I do see a major change being made to JSC -
</span><a href="https://lists.webkit.org/pipermail/webkit-dev/2014-January/026143.html"><span style="color:#508AFF">https://lists.webkit.org/pipermail/webkit-dev/2014-January/026143.html</span></a><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">It could be related to it?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">To give more details if needed, here is the URL which I am using -
<a href="http://hakim.se/experiments/html5/trail/03/"><span style="color:#033160;mso-style-textfill-fill-color:#033160;mso-style-textfill-fill-alpha:100.0%">http://hakim.se/experiments/html5/trail/03/</span></a></span><span style="color:black;mso-style-textfill-fill-color:black;mso-style-textfill-fill-alpha:100.0%"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">Also, I see the same issue with WinCairo as well. However, I don’t see the issue with JIT disabled platforms.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%">Thanks,<br>
Rupali<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#203864;mso-style-textfill-fill-color:#203864;mso-style-textfill-fill-alpha:100.0%"><o:p> </o:p></span></p>
</div>
</body>
</html>