[1] | 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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