ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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sgn.hpp
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/*
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* Copyright (C) 2010-2022 The ESPResSo project
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* Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009,2010
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* Max-Planck-Institute for Polymer Research, Theory Group
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*
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* This file is part of ESPResSo.
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*
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* ESPResSo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ESPResSo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UTILS_MATH_SGN_HPP
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#define UTILS_MATH_SGN_HPP
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namespace
Utils
{
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/** @brief Calculate signum of val. */
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template
<
typename
T>
constexpr
int
sgn
(T val) {
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return
(T(0) < val) - (val < T(0));
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}
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}
// namespace Utils
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#endif
Utils
Definition
Variant.hpp:40
Utils::sgn
constexpr int sgn(T val)
Calculate signum of val.
Definition
sgn.hpp:27
src
utils
include
utils
math
sgn.hpp
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