This file is indexed.

/usr/include/eigen3/Eigen/LU is in libeigen3-dev 3.2.0-8.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
#ifndef EIGEN_LU_MODULE_H
#define EIGEN_LU_MODULE_H

#include "Core"

#include "src/Core/util/DisableStupidWarnings.h"

/** \defgroup LU_Module LU module
  * This module includes %LU decomposition and related notions such as matrix inversion and determinant.
  * This module defines the following MatrixBase methods:
  *  - MatrixBase::inverse()
  *  - MatrixBase::determinant()
  *
  * \code
  * #include <Eigen/LU>
  * \endcode
  */

#include "src/misc/Solve.h"
#include "src/misc/Kernel.h"
#include "src/misc/Image.h"
#include "src/LU/FullPivLU.h"
#include "src/LU/PartialPivLU.h"
#ifdef EIGEN_USE_LAPACKE
#include "src/LU/PartialPivLU_MKL.h"
#endif
#include "src/LU/Determinant.h"
#include "src/LU/Inverse.h"

#if defined EIGEN_VECTORIZE_SSE
  #include "src/LU/arch/Inverse_SSE.h"
#endif

#ifdef EIGEN2_SUPPORT
  #include "src/Eigen2Support/LU.h"
#endif

#include "src/Core/util/ReenableStupidWarnings.h"

#endif // EIGEN_LU_MODULE_H
/* vim: set filetype=cpp et sw=2 ts=2 ai: */