Steve Pham
38261d0800
* Updated all copyright headers to split the longer original copyright line into 2 shorter lines Signed-off-by: Steve Pham <spham@amazon.com>
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include <NumericalMethods_precompiled.h>
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#include <NumericalMethods/Eigenanalysis.h>
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#include <NumericalMethods/Optimization.h>
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#include <Optimization/SolverBFGS.h>
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#include <Eigenanalysis/Solver3x3.h>
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namespace NumericalMethods
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{
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namespace Optimization
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{
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SolverResult SolverBFGS(const Function& function, const AZStd::vector<double>& initialGuess)
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{
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return MinimizeBFGS(function, initialGuess);
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}
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}
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namespace Eigenanalysis
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{
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SolverResult<Real, 3> Solver3x3RealSymmetric(const SquareMatrix<Real, 3>& matrix)
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{
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// The matrix must be symmetric.
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if (matrix[0][1] == matrix[1][0] && matrix[0][2] == matrix[2][0] && matrix[1][2] == matrix[2][1])
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{
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return NonIterativeSymmetricEigensolver3x3(
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matrix[0][0], matrix[0][1], matrix[0][2],
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matrix[1][1], matrix[1][2],
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matrix[2][2]
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);
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}
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else
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{
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return SolverResult<Real, 3>{SolverOutcome::FailureInvalidInput};
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}
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}
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}
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} // namespace NumericalMethods
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