QuantLib: a free/open-source library for quantitative finance
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functional.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2003 RiskMap srl
5
6 This file is part of QuantLib, a free-software/open-source library
7 for financial quantitative analysts and developers - http://quantlib.org/
8
9 QuantLib is free software: you can redistribute it and/or modify it
10 under the terms of the QuantLib license. You should have received a
11 copy of the license along with this program; if not, please email
12 <quantlib-dev@lists.sf.net>. The license is also available online at
13 <http://quantlib.org/license.shtml>.
14
15 This program is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 FOR A PARTICULAR PURPOSE. See the license for more details.
18*/
19
20/*! \file ql/math/functional.hpp
21 \brief functionals and combinators not included in the STL
22*/
23
24#ifndef quantlib_math_functional_hpp
25#define quantlib_math_functional_hpp
26
27#include <ql/types.hpp>
28#include <ql/utilities/null.hpp>
29#include <cmath>
30#include <utility>
31
32namespace QuantLib {
33
34 // functions
35
36 template <class T>
37 inline T squared(T x) { return x * x; }
38
39}
40
41
42#endif
Definition: any.hpp:35
T squared(T x)
Definition: functional.hpp:37
null values
Custom types.