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	<title>Menéame: comentarios [889389]</title>
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	<pubDate>Mon, 22 Feb 2010 21:17:05 +0000</pubDate>
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		<meneame:comment_id>5820731</meneame:comment_id>
		<meneame:link_id>889389</meneame:link_id>
		<meneame:order>4</meneame:order>
		<meneame:user>--119151--</meneame:user>
		<meneame:votes>0</meneame:votes>
		<meneame:karma>7</meneame:karma>
		<meneame:url>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc</meneame:url>
		<title>#4 John Carmack recibirá un premio a toda su carrera en el GDC</title>
		<link>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc/c04#c-4</link>
		<pubDate>Mon, 22 Feb 2010 21:17:05 +0000</pubDate>
		<dc:creator>--119151--</dc:creator>
		<guid>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc/c04#c-4</guid>
		<description><![CDATA[<p>[Usuario deshabilitado]</p><p>&#187;&nbsp;autor: <strong>--119151--</strong></p>]]></description>
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	<item>
		<meneame:comment_id>5820499</meneame:comment_id>
		<meneame:link_id>889389</meneame:link_id>
		<meneame:order>3</meneame:order>
		<meneame:user>--44725--</meneame:user>
		<meneame:votes>0</meneame:votes>
		<meneame:karma>10</meneame:karma>
		<meneame:url>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc</meneame:url>
		<title>#3 John Carmack recibirá un premio a toda su carrera en el GDC</title>
		<link>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc/c03#c-3</link>
		<pubDate>Mon, 22 Feb 2010 20:27:11 +0000</pubDate>
		<dc:creator>--44725--</dc:creator>
		<guid>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc/c03#c-3</guid>
		<description><![CDATA[<p>Bravo! Un genio de la programación y optimización.<br />
<br />
Como muestra un trozo de código, calcula la inversa de una raíz cuadrada (sacado de QuakeIII):<br />
<br />
float Q_rsqrt( float number ) {<br />
  long i;<br />
  float x2, y;<br />
  const float threehalfs = 1.5F;<br />
  x2 = number * 0.5F;<br />
  y  = number;<br />
  i  = * ( long * ) &#38;y;  // evil floating point bit level hacking<br />
  i  = 0x5f3759df - ( i &#62;&#62; 1 ); // what the fuck?<br />
  y  = * ( float * ) &#38;i;<br />
  y  = y * ( threehalfs - ( x2 * y * y ) ); // 1st iteration<br />
  // y  = y * ( threehalfs - ( x2 * y * y ) ); // 2nd iteration, this can be removed<br />
}<br />
<br />
<a class="tooltip c:889389-2" href="https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc/c02#c-2" rel="nofollow">#2</a> ¿¿¿¿te parece poco haber creado los motores de los juegos????</p><p>&#187;&nbsp;autor: <strong>--44725--</strong></p>]]></description>
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		<meneame:comment_id>5820482</meneame:comment_id>
		<meneame:link_id>889389</meneame:link_id>
		<meneame:order>2</meneame:order>
		<meneame:user>--119151--</meneame:user>
		<meneame:votes>0</meneame:votes>
		<meneame:karma>7</meneame:karma>
		<meneame:url>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc</meneame:url>
		<title>#2 John Carmack recibirá un premio a toda su carrera en el GDC</title>
		<link>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc/c02#c-2</link>
		<pubDate>Mon, 22 Feb 2010 20:23:34 +0000</pubDate>
		<dc:creator>--119151--</dc:creator>
		<guid>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc/c02#c-2</guid>
		<description><![CDATA[<p>[Usuario deshabilitado]</p><p>&#187;&nbsp;autor: <strong>--119151--</strong></p>]]></description>
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	<item>
		<meneame:comment_id>5820154</meneame:comment_id>
		<meneame:link_id>889389</meneame:link_id>
		<meneame:order>1</meneame:order>
		<meneame:user>--70943--</meneame:user>
		<meneame:votes>0</meneame:votes>
		<meneame:karma>7</meneame:karma>
		<meneame:url>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc</meneame:url>
		<title>#1 John Carmack recibirá un premio a toda su carrera en el GDC</title>
		<link>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc/c01#c-1</link>
		<pubDate>Mon, 22 Feb 2010 19:27:58 +0000</pubDate>
		<dc:creator>--70943--</dc:creator>
		<guid>https://www.meneame.net/story/john-carmack-recibira-premio-toda-carrera-gdc/c01#c-1</guid>
		<description><![CDATA[<p>no como el inutil de romero y su daikatana</p><p>&#187;&nbsp;autor: <strong>--70943--</strong></p>]]></description>
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