<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Oliver, thanks...but:<div><br></div><div>when I read the documentation for the method two_norm() it says that it calculates</div><div>the square root of the sum of the square of the elements, but for a complex vector</div><div>one would require that the method calculates the square root over the sum of</div><div>the element times its complex conjugate ?</div><div><br></div><div>what do you think on this ? </div><div><br></div><div>Greetings, Benedikt</div><div><br></div><div><br></div><div><br><div><div>On Jan 7, 2011, at 4:36 PM, Oliver Sander wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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Hi Benedikt!<br>
AFAIK this should work.<br>
Best,<br>
Oliver<br>
<br>
Am 06.01.2011 15:16, schrieb Benedikt Oswald:
<blockquote cite="mid:2B4D3BD7-9EB2-42A4-906F-EF0388EE45C5@psi.ch" type="cite">
<div>Dear Dune, what will happen when I use a code sequence like this:</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><span style="color: rgb(0, 0, 0);">Dune::</span>FieldVector<span style="color: rgb(0, 0, 0);"><</span>std::complex<double><span style="color: rgb(0, 0, 0);">,3> electricField</span></div>
</div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><font class="Apple-style-span"><br>
</font></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><font class="Apple-style-span">then assign some values to
the vector's components and</font></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><font class="Apple-style-span">eventually calculate the
two_norm of the vector like this:</font></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><font class="Apple-style-span"><br>
</font></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><font class="Apple-style-span">double length = </font><span class="Apple-style-span" style="">electricField.two_norm();</span></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><span class="Apple-style-span" style=""><br>
</span></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><span class="Apple-style-span" style=""><br>
</span></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><span class="Apple-style-span" style="">Will this
correctly evaluate ?</span></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><span class="Apple-style-span" style=""><br>
</span></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><span class="Apple-style-span" style=""><br>
</span></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><span class="Apple-style-span" style="">Thanks for
having a look and greetings, Benedikt</span></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><span class="Apple-style-span" style=""><br>
</span></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><font class="Apple-style-span"><br>
</font></div>
<div style="margin: 0px; font-family: Monaco; font-style: normal; font-variant: normal; font-weight: normal; font-size: 11px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: rgb(5, 97, 66);"><font class="Apple-style-span"><br>
</font></div>
<div><br>
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<div>--------------------------------------------------------------------------------------------------------------------------------------------------------------------</div>
<div>Benedikt Oswald, Dr. sc. techn., dipl. El. Ing. ETH, <a moz-do-not-send="true" href="http://www.psi.ch/">www.psi.ch</a>,
Computational Accelerator Scientist, <a moz-do-not-send="true" href="http://amas.web.psi.ch/">http://amas.web.psi.ch</a></div>
<div>Paul Scherrer Institute (PSI), CH-5232 Villigen, Suisse, <a moz-do-not-send="true" href="mailto:benedikt.oswald@psi.ch">benedikt.oswald@psi.ch</a>,
+41(0)56 310 32 12</div>
<div><br>
</div>
<div>"Passion is required for any great work, and for the
revolution passion and audacity are required in big doses.",<br>
Ernesto 'Che' Guevara, Letter to his parents.<br>
--------------------------------------------------------------------------------------------------------------------------------------------------------------------</div>
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_______________________________________________<br>Dune mailing list<br><a href="mailto:Dune@dune-project.org">Dune@dune-project.org</a><br>http://lists.dune-project.org/mailman/listinfo/dune<br></blockquote></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>--------------------------------------------------------------------------------------------------------------------------------------------------------------------</div><div>Benedikt Oswald, Dr. sc. techn., dipl. El. Ing. ETH, <a href="http://www.psi.ch">www.psi.ch</a>, Computational Accelerator Scientist, <a href="http://amas.web.psi.ch">http://amas.web.psi.ch</a></div><div>Paul Scherrer Institute (PSI), CH-5232 Villigen, Suisse, <a href="mailto:benedikt.oswald@psi.ch">benedikt.oswald@psi.ch</a>, +41(0)56 310 32 12</div><div><br></div><div>"Passion is required for any great work, and for the revolution passion and audacity are required in big doses.",<br> Ernesto 'Che' Guevara, Letter to his parents.<br>--------------------------------------------------------------------------------------------------------------------------------------------------------------------</div></div></div></span></span>
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