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    <title>Intel Software Network Comments Feed</title>
    <link>http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp</link>
    <description></description>
    <language>en-us</language>
    <item>
      <title>By Robert Corbett</title>
      <description><![CDATA[ People must have commented on it before, but because it is still
there, the "spherical liner interpolations" in the title should be
"spherical linear interpolations."

Robert Corbett ]]></description>
      <link>http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-42430</link>
      <pubDate>Tue, 20 Apr 2010 20:05:35 -0700</pubDate>
      <guid isPermaLink="true">http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-42430</guid>
    </item>
    <item>
      <title>By Jason</title>
      <description><![CDATA[ Error?
38: DECLARE_INIT_M256(sqrtC0, RSQRT_C0);
39: DECLARE_INIT_M256(sqrtC1, RSQRT_C0);  ]]></description>
      <link>http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-45722</link>
      <pubDate>Wed, 07 Jul 2010 03:33:51 -0700</pubDate>
      <guid isPermaLink="true">http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-45722</guid>
    </item>
    <item>
      <title>By eric5588@ms3.hinet.net</title>
      <description><![CDATA[ 1. J.M.P.van Waveren, Slerping Clock Cycles, Id Software, Inc. 2005
2. J.M.P.van Waveren, From Quaternions to Matrix and Back, Id Software, Inc. 2005
The above two links are wrong!!! ]]></description>
      <link>http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-60995</link>
      <pubDate>Thu, 23 Jun 2011 12:59:57 -0700</pubDate>
      <guid isPermaLink="true">http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-60995</guid>
    </item>
    <item>
      <title>By Lexi S (Intel)</title>
      <description><![CDATA[ @eric5588: Links have been fixed.  Thank you for letting us know. ]]></description>
      <link>http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-61776</link>
      <pubDate>Mon, 11 Jul 2011 16:14:05 -0700</pubDate>
      <guid isPermaLink="true">http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-61776</guid>
    </item>
    <item>
      <title>By Liner interpolation | Greenservicegu</title>
      <description><![CDATA[ n/a ]]></description>
      <link>http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-64713</link>
      <pubDate>Wed, 21 Sep 2011 05:04:32 -0700</pubDate>
      <guid isPermaLink="true">http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-64713</guid>
    </item>
    <item>
      <title>By xlsoft-support</title>
      <description><![CDATA[ Hi,

We have to use version 11.x compiler to compile this sample code.
You will see some error message with version 12.0/12/1 compiler. 

$ icc slerp.cpp -xAVX -V
Intel(R) C Intel(R) 64 Compiler XE for applications running on Intel(R) 64, Version 12.1.1.256 Build 20111011
Copyright (C) 1985-2011 Intel Corporation.  All rights reserved.

Edison Design Group C/C++ Front End, version 4.3.1 (Oct 11 2011 18:18:54)
Copyright 1988-2011 Edison Design Group, Inc.

slerp.cpp(76): error: too many initializer values
  DECLARE_INIT_M256I(dClearSignBit, CLEAR_SIGN_BIT);
  ^

slerp.cpp(77): error: too many initializer values
  DECLARE_INIT_M256I(dSetSignBit, SET_SIGN_BIT);
  ^

slerp.cpp(388): error: identifier "_mm256_cmpeq_ps" is undefined
  		ymmR1 = _mm256_cmpeq_ps(ymmR1, sinsqr);
 ]]></description>
      <link>http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-66679</link>
      <pubDate>Sun, 13 Nov 2011 17:57:14 -0800</pubDate>
      <guid isPermaLink="true">http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-66679</guid>
    </item>
    <item>
      <title>By Richard Hubbard (Intel)</title>
      <description><![CDATA[ Hello, 
  Thanks for pointing out that changes are necessary to compile with 12.x. I'll post an update as soon as possible. 

Richard ]]></description>
      <link>http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-67540</link>
      <pubDate>Mon, 28 Nov 2011 14:03:35 -0800</pubDate>
      <guid isPermaLink="true">http://software.intel.com/en-us/articles/benefits-of-intel-advanced-vector-extensions-for-quaternion-spherical-liner-interpolation-slerp/#comment-67540</guid>
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