ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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sgn.hpp
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1/*
2 * Copyright (C) 2010-2022 The ESPResSo project
3 * Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009,2010
4 * Max-Planck-Institute for Polymer Research, Theory Group
5 *
6 * This file is part of ESPResSo.
7 *
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16 * GNU General Public License for more details.
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20 */
21
22#ifndef UTILS_MATH_SGN_HPP
23#define UTILS_MATH_SGN_HPP
24
25namespace Utils {
26/** @brief Calculate signum of val. */
27template <typename T> constexpr int sgn(T val) {
28 return (T(0) < val) - (val < T(0));
29}
30} // namespace Utils
31
32#endif
constexpr int sgn(T val)
Calculate signum of val.
Definition sgn.hpp:27