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add Intel copyright info

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This commit is contained in:
Benoit Jacob 2009-12-15 08:43:31 -05:00
parent 4262117f84
commit 6fd9248c09
1 changed files with 8 additions and 0 deletions
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Eigen/src/LU/Inverse.h
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@ -101,6 +101,14 @@ struct ei_compute_inverse_in_size4_case
}; };
#ifdef EIGEN_VECTORIZE_SSE #ifdef EIGEN_VECTORIZE_SSE
// The SSE code for the 4x4 float matrix inverse in this file comes from the file
// ftp://download.intel.com/design/PentiumIII/sml/24504301.pdf
// its copyright information is:
// Copyright (C) 1999 Intel Corporation
// See page ii of that document for legal stuff. Not being lawyers, we just assume
// here that if Intel makes this document publically available, with source code
// and detailed explanations, it's because they want their CPUs to be fed with
// good code, and therefore they presumably don't mind us using it in Eigen.
template<typename MatrixType> template<typename MatrixType>
struct ei_compute_inverse_in_size4_case<MatrixType, float> struct ei_compute_inverse_in_size4_case<MatrixType, float>
{ {