/usr/include/TiledArray/math/eigen.h is in libtiledarray-dev 0.4.4-1.
This file is owned by root:root, with mode 0o644.
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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 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /*
* This file is a part of TiledArray.
* Copyright (C) 2013 Virginia Tech
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Justus Calvin
* Department of Chemistry, Virginia Tech
*
* eigen.h
* Sep 16, 2013
*
*/
#ifndef TILEDARRAY_MATH_EIGEN_H__INCLUDED
#define TILEDARRAY_MATH_EIGEN_H__INCLUDED
#pragma GCC diagnostic push
#pragma GCC system_header
#include <Eigen/Core>
#include <Eigen/QR>
#pragma GCC diagnostic pop
#include <TiledArray/error.h>
namespace TiledArray {
namespace math {
/// Construct a const Eigen::Map object for a given Tensor object
/// \tparam T The element type
/// \param t The buffer pointer
/// \param m The number of rows in the result matrix
/// \param n The number of columns in the result matrix
/// \return An m x n Eigen matrix map for \c tensor
/// \throw TiledArray::Exception When m * n is not equal to \c tensor size
template <typename T>
inline Eigen::Map<const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor>, Eigen::AutoAlign>
eigen_map(const T* t, const std::size_t m, const std::size_t n) {
TA_ASSERT(t);
TA_ASSERT(m > 0);
TA_ASSERT(n > 0);
return Eigen::Map<const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic,
Eigen::RowMajor>, Eigen::AutoAlign>(t, m, n);
}
/// Construct an Eigen::Map object for a given Tensor object
/// \tparam T The tensor element type
/// \param t The tensor object
/// \param m The number of rows in the result matrix
/// \param n The number of columns in the result matrix
/// \return An m x n Eigen matrix map for \c tensor
/// \throw TiledArray::Exception When m * n is not equal to \c tensor size
template <typename T>
inline Eigen::Map<Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor>, Eigen::AutoAlign>
eigen_map(T* t, const std::size_t m, const std::size_t n) {
TA_ASSERT(t);
TA_ASSERT(m > 0);
TA_ASSERT(n > 0);
return Eigen::Map<Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic,
Eigen::RowMajor>, Eigen::AutoAlign>(t, m, n);
}
/// Construct a const Eigen::Map object for a given Tensor object
/// \tparam T The element type
/// \param t The vector pointer
/// \param n The number of elements in the result matrix
/// \return An n element Eigen vector map for \c tensor
/// \throw TiledArray::Exception When n is not equal to \c tensor size
template <typename T>
inline Eigen::Map<const Eigen::Matrix<T, Eigen::Dynamic, 1>, Eigen::AutoAlign>
eigen_map(const T* t, const std::size_t n) {
TA_ASSERT(t);
TA_ASSERT(n > 0);
return Eigen::Map<const Eigen::Matrix<T, Eigen::Dynamic, 1>, Eigen::AutoAlign>(t, n);
}
/// Construct an Eigen::Map object for a given Tensor object
/// \tparam T The element type
/// \param t The vector pointer
/// \param n The number of elements in the result matrix
/// \return An n element Eigen vector map for \c tensor
/// \throw TiledArray::Exception When m * n is not equal to \c tensor size
template <typename T>
inline Eigen::Map<Eigen::Matrix<T, Eigen::Dynamic, 1>, Eigen::AutoAlign>
eigen_map(T* t, const std::size_t n) {
TA_ASSERT(t);
TA_ASSERT(n > 0);
return Eigen::Map<Eigen::Matrix<T, Eigen::Dynamic, 1>, Eigen::AutoAlign>(t, n);
}
} // namespace math
} // namespace TiledArray
#endif // TILEDARRAY_MATH_EIGEN_H__INCLUDED
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