29 lines
959 B
C++
29 lines
959 B
C++
// Copyright (C) 2016-2022 Yixuan Qiu <yixuan.qiu@cos.name>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
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#ifndef SPECTRA_GEIGS_MODE_H
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#define SPECTRA_GEIGS_MODE_H
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namespace Spectra {
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///
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/// \ingroup Enumerations
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///
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/// The enumeration to specify the mode of generalized eigenvalue solver.
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///
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enum class GEigsMode
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{
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Cholesky, ///< Using Cholesky decomposition to solve generalized eigenvalues.
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RegularInverse, ///< Regular inverse mode for generalized eigenvalue solver.
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ShiftInvert, ///< Shift-and-invert mode for generalized eigenvalue solver.
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Buckling, ///< Buckling mode for generalized eigenvalue solver.
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Cayley ///< Cayley transformation mode for generalized eigenvalue solver.
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};
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} // namespace Spectra
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#endif // SPECTRA_GEIGS_MODE_H
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