[d7d2da3] | 1 | //STARTHEADER
|
---|
| 2 | // $Id$
|
---|
| 3 | //
|
---|
| 4 | // Copyright (c) 2005-2011, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
|
---|
| 5 | //
|
---|
| 6 | //----------------------------------------------------------------------
|
---|
| 7 | // This file is part of FastJet.
|
---|
| 8 | //
|
---|
| 9 | // FastJet is free software; you can redistribute it and/or modify
|
---|
| 10 | // it under the terms of the GNU General Public License as published by
|
---|
| 11 | // the Free Software Foundation; either version 2 of the License, or
|
---|
| 12 | // (at your option) any later version.
|
---|
| 13 | //
|
---|
| 14 | // The algorithms that underlie FastJet have required considerable
|
---|
| 15 | // development and are described in hep-ph/0512210. If you use
|
---|
| 16 | // FastJet as part of work towards a scientific publication, please
|
---|
| 17 | // include a citation to the FastJet paper.
|
---|
| 18 | //
|
---|
| 19 | // FastJet is distributed in the hope that it will be useful,
|
---|
| 20 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
| 21 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
| 22 | // GNU General Public License for more details.
|
---|
| 23 | //
|
---|
| 24 | // You should have received a copy of the GNU General Public License
|
---|
| 25 | // along with FastJet. If not, see <http://www.gnu.org/licenses/>.
|
---|
| 26 | //----------------------------------------------------------------------
|
---|
| 27 | //ENDHEADER
|
---|
| 28 |
|
---|
| 29 | #include "fastjet/RangeDefinition.hh"
|
---|
| 30 |
|
---|
| 31 | FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh
|
---|
| 32 |
|
---|
| 33 | using namespace std;
|
---|
| 34 |
|
---|
| 35 | LimitedWarning RangeDefinition::_warnings_deprecated;
|
---|
| 36 |
|
---|
| 37 | // calculate, and set in _total_area, the area with a numerical test
|
---|
| 38 | // takes a reasonable time with rapmax = 10, npoints = 100
|
---|
| 39 | void RangeDefinition::_numerical_total_area(double rapmax, int npoints) {
|
---|
| 40 |
|
---|
| 41 | int count = 0;
|
---|
| 42 | double deltaphi = twopi/double(npoints);
|
---|
| 43 | double deltarap = 2.0*rapmax/double(npoints);
|
---|
| 44 | double phi = 0.0;
|
---|
| 45 | for(int i = 0; i < npoints; i++) {
|
---|
| 46 | double rap = -rapmax;
|
---|
| 47 | for (int j = 0; j < npoints; j++) {
|
---|
| 48 | if ( is_in_range(rap,phi) ) { count++; }
|
---|
| 49 | rap += deltarap;
|
---|
| 50 | }
|
---|
| 51 | phi += deltaphi;
|
---|
| 52 | }
|
---|
| 53 |
|
---|
| 54 | _total_area = double(count)/double(npoints*npoints)*2.0*twopi*rapmax;
|
---|
| 55 | }
|
---|
| 56 |
|
---|
| 57 |
|
---|
| 58 | // the use of RangeDefinition is deprecated since FastJet version
|
---|
| 59 | // 3.0 onwards. Please use Selector instead.
|
---|
| 60 | // RangeDefinition is only provided for backward compatibility
|
---|
| 61 | // reasons and is not guaranteed to work in future releases of
|
---|
| 62 | // FastJet.
|
---|
| 63 | void RangeDefinition::_warn_deprecated() const{
|
---|
| 64 | _warnings_deprecated.warn("The use of RangeDefinition is deprecated since FastJet version 3.0 onwards. Please consider using Selector (defined in fastjet/Selector.hh) instead. There is no guarantee that support for RangeDefinition will be provided in future releases of FastJet.");
|
---|
| 65 | }
|
---|
| 66 |
|
---|
| 67 | FASTJET_END_NAMESPACE
|
---|