cepgen
is hosted by
Hepforge
,
IPPP Durham
CepGen
1.2.5
Central exclusive processes event generator
Loading...
Searching...
No Matches
FunctionIntegrand.h
Go to the documentation of this file.
1
/*
2
* CepGen: a central exclusive processes event generator
3
* Copyright (C) 2013-2022 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_Integration_FunctionIntegrand_h
20
#define CepGen_Integration_FunctionIntegrand_h
21
22
#include <functional>
23
24
#include "
CepGen/Integration/Integrand.h
"
25
26
namespace
cepgen
{
28
class
FunctionIntegrand
:
public
Integrand
{
29
public
:
30
explicit
FunctionIntegrand
(
size_t
,
const
std::function<
double
(
const
std::vector<double>&)>&);
31
32
double
eval
(
const
std::vector<double>&)
override
;
33
size_t
size
()
const override
{
return
ndim_; }
34
35
private
:
36
std::function<double(
const
std::vector<double>&)> function_;
37
size_t
ndim_;
38
};
39
}
// namespace cepgen
40
41
#endif
Integrand.h
cepgen::FunctionIntegrand
Wrapper to the function to be integrated.
Definition
FunctionIntegrand.h:28
cepgen::FunctionIntegrand::eval
double eval(const std::vector< double > &) override
Compute the integrand for a given coordinates set.
Definition
FunctionIntegrand.cpp:26
cepgen::FunctionIntegrand::size
size_t size() const override
Phase space dimension.
Definition
FunctionIntegrand.h:33
cepgen::Integrand
An integrand wrapper placeholder.
Definition
Integrand.h:27
cepgen
Common namespace for this Monte Carlo generator.
Definition
CommandLineHandler.cpp:36
CepGen
Integration
FunctionIntegrand.h
Generated on Mon Jul 29 2024 for CepGen by
1.9.7