VectorizedTensor.cpp

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#include "VectorizedTensor.h"
 
namespace MathLib::VectorizedTensor
{
 
bool isTensorConvertibleTo1d(Eigen::Matrix3d const& tensor)
{
    return (tensor(0, 1) == 0. && tensor(1, 0) == 0. &&  //
            tensor(0, 2) == 0. && tensor(2, 0) == 0. &&  //
            tensor(1, 2) == 0. && tensor(2, 1) == 0.);
}
 
bool isTensorConvertibleTo2d(Eigen::Matrix3d const& tensor)
{
    return (tensor(0, 2) == 0. && tensor(1, 2) == 0. &&  //
            tensor(2, 0) == 0. && tensor(2, 1) == 0.);
}
 
}  // namespace MathLib::VectorizedTensor