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clarify EIGEN_DONT_ALIGN docs wrt versions

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Benoit Jacob 2010-02-28 15:56:50 -05:00
parent 5f42104e0a
commit 12bcfae0c5
1 changed files with 1 additions and 1 deletions
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doc/UnalignedArrayAssert.dox
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@ -107,7 +107,7 @@ However there are a few corner cases where these alignment settings get overridd
Two possibilities:
<ul>
<li>Define EIGEN_DONT_ALIGN. That disables all 128-bit alignment code, and in particular everything vectorization-related. But do note that this in particular breaks ABI compatibility with vectorized code.</li>
<li>Define EIGEN_DONT_ALIGN. That disables all 128-bit alignment code, and in particular everything vectorization-related. But do note that this in particular breaks ABI compatibility with vectorized code. This requires Eigen 2.0.6 or later, and with Eigen 2.0.12 or later it automatically implies EIGEN_DONT_VECTORIZE (before 2.0.12 you had to define both).</li>
<li>Or define both EIGEN_DONT_VECTORIZE and EIGEN_DISABLE_UNALIGNED_ARRAY_ASSERT. This keeps the 128-bit alignment code and thus preserves ABI compatibility.</li>
</ul>