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CepGen 1.2.5
Central exclusive processes event generator
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Math.h
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1/*
2 * CepGen: a central exclusive processes event generator
3 * Copyright (C) 2023 Laurent Forthomme
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#ifndef CepGen_Utils_Math_h
20#define CepGen_Utils_Math_h
21
22namespace cepgen {
23 namespace utils {
25 template <typename T>
26 bool positive(const T& val);
27
28 double fastHypot(double, double);
29 double fastHypot(double, double, double);
31 double fastSqrtSqDiff(double, double);
32 } // namespace utils
33} // namespace cepgen
34
35#endif
bool positive(const T &val)
Check if a number is positive and finite.
Definition Math.cpp:26
double fastSqrtSqDiff(double x, double y)
Compute the square root of the squared difference (sqrt(a^2-b^2))
Definition Math.cpp:43
double fastHypot(double x, double y)
Definition Math.cpp:33
Common namespace for this Monte Carlo generator.