/usr/include/ceres/internal/eigen.h is in libceres-dev 1.13.0+dfsg0-2.
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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | // Ceres Solver - A fast non-linear least squares minimizer
// Copyright 2015 Google Inc. All rights reserved.
// http://ceres-solver.org/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Author: sameeragarwal@google.com (Sameer Agarwal)
#ifndef CERES_INTERNAL_EIGEN_H_
#define CERES_INTERNAL_EIGEN_H_
#include "Eigen/Core"
namespace ceres {
typedef Eigen::Matrix<double, Eigen::Dynamic, 1> Vector;
typedef Eigen::Matrix<double,
Eigen::Dynamic,
Eigen::Dynamic,
Eigen::RowMajor> Matrix;
typedef Eigen::Map<Vector> VectorRef;
typedef Eigen::Map<Matrix> MatrixRef;
typedef Eigen::Map<const Vector> ConstVectorRef;
typedef Eigen::Map<const Matrix> ConstMatrixRef;
// Column major matrices for DenseSparseMatrix/DenseQRSolver
typedef Eigen::Matrix<double,
Eigen::Dynamic,
Eigen::Dynamic,
Eigen::ColMajor> ColMajorMatrix;
typedef Eigen::Map<ColMajorMatrix, 0,
Eigen::Stride<Eigen::Dynamic, 1> > ColMajorMatrixRef;
typedef Eigen::Map<const ColMajorMatrix,
0,
Eigen::Stride<Eigen::Dynamic, 1> > ConstColMajorMatrixRef;
// C++ does not support templated typdefs, thus the need for this
// struct so that we can support statically sized Matrix and Maps.
template <int num_rows = Eigen::Dynamic, int num_cols = Eigen::Dynamic>
struct EigenTypes {
typedef Eigen::Matrix <double, num_rows, num_cols, Eigen::RowMajor>
Matrix;
typedef Eigen::Map<
Eigen::Matrix<double, num_rows, num_cols, Eigen::RowMajor> >
MatrixRef;
typedef Eigen::Matrix <double, num_rows, 1>
Vector;
typedef Eigen::Map <
Eigen::Matrix<double, num_rows, 1> >
VectorRef;
typedef Eigen::Map<
const Eigen::Matrix<double, num_rows, num_cols, Eigen::RowMajor> >
ConstMatrixRef;
typedef Eigen::Map <
const Eigen::Matrix<double, num_rows, 1> >
ConstVectorRef;
};
} // namespace ceres
#endif // CERES_INTERNAL_EIGEN_H_
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