1 | // -*- C++ -*- |
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2 | /////////////////////////////////////////////////////////////////////////////// |
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3 | // File: reference.h // |
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4 | // Description: header file for checkxor management (Creference class) // |
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5 | // This file is part of the SISCone project. // |
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6 | // For more details, see http://projects.hepforge.org/siscone // |
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7 | // // |
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8 | // Copyright (c) 2006 Gavin Salam and Gregory Soyez // |
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9 | // // |
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10 | // This program is free software; you can redistribute it and/or modify // |
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11 | // it under the terms of the GNU General Public License as published by // |
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12 | // the Free Software Foundation; either version 2 of the License, or // |
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13 | // (at your option) any later version. // |
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14 | // // |
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15 | // This program is distributed in the hope that it will be useful, // |
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16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of // |
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17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // |
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18 | // GNU General Public License for more details. // |
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19 | // // |
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20 | // You should have received a copy of the GNU General Public License // |
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21 | // along with this program; if not, write to the Free Software // |
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22 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA // |
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23 | // // |
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24 | // $Revision:: 859 $// |
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25 | // $Date:: 2012-11-28 02:49:23 +0100 (Wed, 28 Nov 2012) $// |
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26 | /////////////////////////////////////////////////////////////////////////////// |
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27 | |
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28 | #ifndef __REFERENCE_H__ |
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29 | #define __REFERENCE_H__ |
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30 | |
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31 | namespace siscone{ |
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32 | |
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33 | /** |
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34 | * \class Creference |
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35 | * \brief references used for checksums. |
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36 | * |
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37 | * This class implements some reference variable |
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38 | * that can be used for checksums. Those checksums |
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39 | * are useful to disentengle between contents of two |
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40 | * cones without looking into their explicit particle |
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41 | * contents. |
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42 | */ |
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43 | class Creference{ |
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44 | public: |
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45 | /// default constructor |
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46 | Creference(); |
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47 | |
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48 | /// create a random reference |
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49 | void randomize(); |
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50 | |
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51 | /// test emptyness |
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52 | bool is_empty(); |
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53 | |
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54 | /// test non-emptyness |
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55 | bool not_empty(); |
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56 | |
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57 | /// assignment of reference |
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58 | Creference& operator = (const Creference &r); |
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59 | |
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60 | /// addition of reference |
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61 | Creference operator + (const Creference &r); |
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62 | |
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63 | /// incrementation of reference |
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64 | Creference& operator += (const Creference &r); |
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65 | |
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66 | /// decrementation of reference |
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67 | Creference& operator -= (const Creference &r); |
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68 | |
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69 | /// accessing the reference |
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70 | inline unsigned int operator[] (int i) {return ref[i];} |
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71 | |
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72 | unsigned int ref[3]; ///< actual data for the reference |
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73 | }; |
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74 | |
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75 | /// addition of two references |
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76 | Creference operator + (Creference &r1, Creference &r2); |
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77 | |
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78 | /// equality test of two references |
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79 | bool operator == (const Creference &r1, const Creference &r2); |
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80 | |
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81 | /// difference test of two references |
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82 | bool operator != (const Creference &r1, const Creference &r2); |
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83 | |
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84 | /// ordering of two references |
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85 | bool operator < (const Creference &r1, const Creference &r2); |
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86 | |
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87 | |
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88 | //=============== inline material ================ |
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89 | |
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90 | // equality test for two references |
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91 | //---------------------------------- |
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92 | inline bool operator == (const Creference &r1, const Creference &r2){ |
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93 | return (r1.ref[0]==r2.ref[0]) && (r1.ref[1]==r2.ref[1]) && (r1.ref[2]==r2.ref[2]); |
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94 | } |
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95 | |
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96 | // difference test for two references |
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97 | //---------------------------------- |
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98 | inline bool operator != (const Creference &r1, const Creference &r2){ |
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99 | return (r1.ref[0]!=r2.ref[0]) || (r1.ref[1]!=r2.ref[1]) || (r1.ref[2]!=r2.ref[2]); |
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100 | } |
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101 | |
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102 | // difference test for two references |
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103 | //---------------------------------- |
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104 | inline bool operator < (const Creference &r1, const Creference &r2){ |
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105 | return (r1.ref[0]<r2.ref[0]) || ((r1.ref[0]==r2.ref[0]) && |
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106 | ((r1.ref[1]<r2.ref[1]) || ((r1.ref[1]==r2.ref[1]) && (r1.ref[2]<r2.ref[2])) |
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107 | )); |
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108 | } |
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109 | |
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110 | } |
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111 | #endif |
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