<div dir="ltr">better yet vtkMath::IsNan()<br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature">David E DeMarle<br>Kitware, Inc.<br>R&D Engineer<br>21 Corporate Drive<br>Clifton Park, NY 12065-8662<br>Phone: 518-881-4909</div></div>
<br><div class="gmail_quote">On Wed, Oct 26, 2016 at 8:52 AM, Haocheng Liu <span dir="ltr"><<a href="mailto:haocheng.liu@kitware.com" target="_blank">haocheng.liu@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div><div class="gmail_extra"><br><div class="gmail_quote"><span class="">On Wed, Oct 26, 2016 at 8:31 AM, David E DeMarle <span dir="ltr"><<a href="mailto:dave.demarle@kitware.com" target="_blank">dave.demarle@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Thanks Jean.<div><br></div><div>Mind filing a issue report on VTK's gitlab to help me keep track of this?</div><div><br></div><div><a href="https://gitlab.kitware.com/vtk/vtk/issues" target="_blank">https://gitlab.kitware.com/vtk<wbr>/vtk/issues</a><br></div><div class="gmail_extra"><br clear="all"><div><div class="m_5124998867220826999gmail-m_7395930722834619307m_5647071151757649869gmail_signature">David E DeMarle<br>Kitware, Inc.<br>R&D Engineer<br>21 Corporate Drive<br>Clifton Park, NY 12065-8662<br>Phone: <a href="tel:518-881-4909" value="+15188814909" target="_blank">518-881-4909</a></div></div>
<br><div class="gmail_quote"><div><div class="m_5124998867220826999gmail-h5">On Wed, Oct 26, 2016 at 7:50 AM, Favre Jean <span dir="ltr"><<a href="mailto:jfavre@cscs.ch" target="_blank">jfavre@cscs.ch</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div class="m_5124998867220826999gmail-h5">
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<div style="direction:ltr;font-family:tahoma;color:rgb(0,0,0);font-size:10pt">Hello developers<br>
<br>
I switched to a new machine with a newer compiler.<br>
<br>
<div>g++ (Ubuntu 5.4.0) does not like <br>
<br>
vtkOSPRayRendererNode.cxx:124:<wbr>36: error: ‘isnan’ was not declared in this scope<br>
<br>
I corrected to the following line to make it compile cleanly:<br>
<br>
if (std::isnan(ospDepthBuffer[i])<wbr>)<br>
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This is both in ParaView master, and 5.2RC2</div></div></div></div></div></blockquote></div></div></div></blockquote></span>Hi all,<div><br></div><div>I encountered the same isnan problem when working on CMB projects, and </div><div>here is my solution to solve the problem once for all:</div><div><br></div><div>```C++</div><div><div>#if defined (__GNUC__) && (__GNUC__ > 4) && (__cplusplus)</div><div># include <cmath></div><div>using std::isnan;</div><div>#else</div><div># include <math.h></div><div>#endif</div></div><div>```</div><div><br></div><div>It works fine on Ubuntu 14.04(with GCC4.8) and Ubuntu 16.04(with GCC 5.4.1). Mac and Windows are also happy with it.</div><div><br></div><div>Hope it helps.</div><span class=""><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div class="m_5124998867220826999gmail-h5"><div><div style="direction:ltr;font-family:tahoma;color:rgb(0,0,0);font-size:10pt"><div><span style="font-family:arial,sans-serif;font-size:small;color:rgb(34,34,34)"> </span></div></div></div></div></div></blockquote></div></div></div></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div class="m_5124998867220826999gmail-h5"><div><div style="direction:ltr;font-family:tahoma;color:rgb(0,0,0);font-size:10pt"><div>
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<div class="m_5124998867220826999gmail-m_7395930722834619307m_5647071151757649869m_-1451262129753747614PlainText">-----------------<br>
Jean<br>
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<br></blockquote></span></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div class="m_5124998867220826999gmail_signature"><div dir="ltr">Best regards<div>Haocheng</div></div></div>
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