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Warning, file /include/corecel/grid/NonuniformGridData.hh was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).
0001 //------------------------------- -*- C++ -*- -------------------------------// 0002 // Copyright Celeritas contributors: see top-level COPYRIGHT file for details 0003 // SPDX-License-Identifier: (Apache-2.0 OR MIT) 0004 //---------------------------------------------------------------------------// 0005 //! \file corecel/grid/NonuniformGridData.hh 0006 //---------------------------------------------------------------------------// 0007 #pragma once 0008 0009 #include "corecel/Types.hh" 0010 #include "corecel/data/Collection.hh" 0011 0012 namespace celeritas 0013 { 0014 //---------------------------------------------------------------------------// 0015 /*! 0016 * A grid of increasing, sorted 1D data. 0017 * 0018 * \c derivative stores the second derivative of the interpolating cubic 0019 * spline. If it is non-empty, cubic spline interpolation will be used. 0020 * Otherwise the interpolation will be linear-linear. 0021 * 0022 * \todo Piecewise polynomial spline interpolation is currently unsupported. 0023 */ 0024 struct NonuniformGridRecord 0025 { 0026 ItemRange<real_type> grid; //!< x grid 0027 ItemRange<real_type> value; //!< f(x) value 0028 ItemRange<real_type> derivative; 0029 size_type spline_order{1}; 0030 0031 //! Whether the record is initialized and valid 0032 explicit CELER_FUNCTION operator bool() const 0033 { 0034 return grid.size() >= 2 && value.size() == grid.size() 0035 && (derivative.empty() || grid.size() == derivative.size()) 0036 && spline_order == 1; 0037 } 0038 }; 0039 0040 //---------------------------------------------------------------------------// 0041 } // namespace celeritas
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