cepgen
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CepGen
1.2.5
Central exclusive processes event generator
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FunctionalIntegrand.h
Go to the documentation of this file.
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/*
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* CepGen: a central exclusive processes event generator
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* Copyright (C) 2013-2022 Laurent Forthomme
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*
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* This program 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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* any later version.
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*
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* This program 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 CepGen_Integration_FunctionalIntegrand_h
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#define CepGen_Integration_FunctionalIntegrand_h
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#include <memory>
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#include "
CepGen/Integration/Integrand.h
"
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#include "
CepGen/Utils/Functional.h
"
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namespace
cepgen
{
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class
FunctionalIntegrand
:
public
Integrand
{
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public
:
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explicit
FunctionalIntegrand
(
const
std::string&,
const
std::vector<std::string>&,
const
std::string& func_eval);
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double
eval
(
const
std::vector<double>&)
override
;
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size_t
size
()
const override
;
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private
:
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std::unique_ptr<utils::Functional> func_;
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};
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}
// namespace cepgen
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#endif
Functional.h
Integrand.h
cepgen::FunctionalIntegrand
Wrapper to a string-built functional to be integrated.
Definition
FunctionalIntegrand.h:29
cepgen::FunctionalIntegrand::eval
double eval(const std::vector< double > &) override
Compute the integrand for a given coordinates set.
Definition
FunctionalIntegrand.cpp:36
cepgen::FunctionalIntegrand::size
size_t size() const override
Phase space dimension.
Definition
FunctionalIntegrand.cpp:45
cepgen::Integrand
An integrand wrapper placeholder.
Definition
Integrand.h:27
cepgen
Common namespace for this Monte Carlo generator.
Definition
CommandLineHandler.cpp:36
CepGen
Integration
FunctionalIntegrand.h
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