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44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
// Copyright Nick Thompson, 2017
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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/*
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* This class performs sinh-sinh quadrature over the entire real line.
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*
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* References:
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*
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* 1) Tanaka, Ken'ichiro, et al. "Function classes for double exponential integration formulas." Numerische Mathematik 111.4 (2009): 631-655.
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*/
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#ifndef BOOST_MATH_QUADRATURE_SINH_SINH_HPP
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#define BOOST_MATH_QUADRATURE_SINH_SINH_HPP
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#include <cmath>
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#include <limits>
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#include <memory>
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#include <boost/math/quadrature/detail/sinh_sinh_detail.hpp>
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namespace boost{ namespace math{ namespace quadrature {
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template<class Real, class Policy = boost::math::policies::policy<> >
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class sinh_sinh
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{
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public:
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sinh_sinh(size_t max_refinements = 9)
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: m_imp(std::make_shared<detail::sinh_sinh_detail<Real, Policy> >(max_refinements)) {}
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template<class F>
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auto integrate(const F f, Real tol = boost::math::tools::root_epsilon<Real>(), Real* error = nullptr, Real* L1 = nullptr, std::size_t* levels = nullptr)->decltype(std::declval<F>()(std::declval<Real>())) const
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{
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return m_imp->integrate(f, tol, error, L1, levels);
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}
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private:
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std::shared_ptr<detail::sinh_sinh_detail<Real, Policy>> m_imp;
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};
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}}}
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#endif
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