| 1 | /***************************************************************************
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| 2 |  * blitz/tinyvec.h      Declaration of the TinyVector<T, N> class
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| 3 |  *
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| 4 |  * $Id: tinyvec.h,v 1.1.1.1 1999-11-26 16:37:04 ansari Exp $
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| 5 |  *
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| 6 |  * Copyright (C) 1997,1998 Todd Veldhuizen <tveldhui@seurat.uwaterloo.ca>
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| 7 |  *
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| 8 |  * This program is free software; you can redistribute it and/or
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| 9 |  * modify it under the terms of the GNU General Public License
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| 10 |  * as published by the Free Software Foundation; either version 2
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| 11 |  * of the License, or (at your option) any later version.
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| 12 |  *
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| 13 |  * This program is distributed in the hope that it will be useful,
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| 14 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| 16 |  * GNU General Public License for more details.
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| 17 |  *
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| 18 |  * Suggestions:          blitz-suggest@cybervision.com
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| 19 |  * Bugs:                 blitz-bugs@cybervision.com
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| 20 |  *
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| 21 |  * For more information, please see the Blitz++ Home Page:
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| 22 |  *    http://seurat.uwaterloo.ca/blitz/
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| 23 |  *
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| 24 |  ***************************************************************************
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| 25 |  * $Log: not supported by cvs2svn $
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| 26 |  * Revision 1.1.1.1  1999/04/09  17:59:01  ansari
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| 27 |  * Creation module DPC/Blitz (blitz 0.4) Reza 09/04/99
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| 28 |  *
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| 29 |  * Revision 1.2  1998/03/14 00:04:47  tveldhui
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| 30 |  * 0.2-alpha-05
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| 31 |  *
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| 32 |  * Revision 1.1  1997/07/16 14:51:20  tveldhui
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| 33 |  * Update: Alpha release 0.2 (Arrays)
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| 34 |  *
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| 35 |  */
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| 36 | 
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| 37 | #ifndef BZ_TINYVEC_H
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| 38 | #define BZ_TINYVEC_H
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| 39 | 
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| 40 | #ifndef BZ_BLITZ_H
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| 41 |  #include <blitz/blitz.h>
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| 42 | #endif
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| 43 | 
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| 44 | #ifndef BZ_RANGE_H
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| 45 |  #include <blitz/range.h>
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| 46 | #endif
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| 47 | 
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| 48 | #ifndef BZ_LISTINIT_H
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| 49 |  #include <blitz/listinit.h>
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| 50 | #endif
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| 51 | 
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| 52 | #include <blitz/tiny.h>
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| 53 | 
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| 54 | BZ_NAMESPACE(blitz)
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| 55 | 
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| 56 | /*****************************************************************************
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| 57 |  * Forward declarations
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| 58 |  */
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| 59 | 
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| 60 | template<class P_numtype, int N_length, int N_stride BZ_TEMPLATE_DEFAULT(1) >
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| 61 | class TinyVectorIter;
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| 62 | 
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| 63 | template<class P_numtype, int N_length, int N_stride BZ_TEMPLATE_DEFAULT(1) >
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| 64 | class TinyVectorIterConst;
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| 65 | 
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| 66 | template<class P_numtype>
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| 67 | class Vector;
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| 68 | 
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| 69 | template<class P_expr>
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| 70 | class _bz_VecExpr;
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| 71 | 
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| 72 | template<class P_distribution>
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| 73 | class Random;
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| 74 | 
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| 75 | template<class P_numtype>
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| 76 | class VectorPick;
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| 77 | 
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| 78 | template<class T_numtype1, class T_numtype2, int N_rows, int N_columns,
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| 79 |     int N_vecStride>
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| 80 | class _bz_matrixVectorProduct;
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| 81 | 
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| 82 | 
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| 83 | 
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| 84 | /*****************************************************************************
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| 85 |  * Declaration of class TinyVector
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| 86 |  */
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| 87 | 
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| 88 | template<class P_numtype, int N_length>
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| 89 | class TinyVector {
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| 90 | 
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| 91 | public:
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| 92 |     //////////////////////////////////////////////
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| 93 |     // Public Types
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| 94 |     //////////////////////////////////////////////
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| 95 | 
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| 96 |     typedef P_numtype                                    T_numtype;
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| 97 |     typedef TinyVector<T_numtype,N_length>               T_vector;
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| 98 |     typedef TinyVectorIter<T_numtype,N_length,1>         T_iterator;
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| 99 |     typedef TinyVectorIterConst<T_numtype,N_length,1>    T_constIterator;
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| 100 |     enum { numElements = N_length };
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| 101 | 
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| 102 |     TinyVector()
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| 103 |     { }
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| 104 | 
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| 105 |     ~TinyVector() 
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| 106 |     { }
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| 107 | 
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| 108 |     inline TinyVector(const TinyVector<P_numtype,N_length>& x);
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| 109 | 
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| 110 |     inline TinyVector(T_numtype initValue);
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| 111 | 
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| 112 |     TinyVector(T_numtype x0, T_numtype x1)
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| 113 |     {
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| 114 |         data_[0] = x0;
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| 115 |         data_[1] = x1;
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| 116 |     }
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| 117 | 
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| 118 |     TinyVector(T_numtype x0, T_numtype x1, T_numtype x2)
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| 119 |     {
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| 120 |         data_[0] = x0;
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| 121 |         data_[1] = x1;
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| 122 |         data_[2] = x2;
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| 123 |     }
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| 124 | 
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| 125 |     TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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| 126 |         T_numtype x3)
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| 127 |     {
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| 128 |         data_[0] = x0;
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| 129 |         data_[1] = x1;
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| 130 |         data_[2] = x2;
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| 131 |         data_[3] = x3;
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| 132 |     }
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| 133 | 
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| 134 |     TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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| 135 |         T_numtype x3, T_numtype x4)
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| 136 |     {
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| 137 |         data_[0] = x0;
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| 138 |         data_[1] = x1;
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| 139 |         data_[2] = x2;
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| 140 |         data_[3] = x3;
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| 141 |         data_[4] = x4;
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| 142 |     }
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| 143 | 
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| 144 |     TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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| 145 |         T_numtype x3, T_numtype x4, T_numtype x5)
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| 146 |     {
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| 147 |         data_[0] = x0;
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| 148 |         data_[1] = x1;
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| 149 |         data_[2] = x2;
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| 150 |         data_[3] = x3;
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| 151 |         data_[4] = x4;
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| 152 |         data_[5] = x5;
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| 153 |     }
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| 154 | 
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| 155 |     TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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| 156 |         T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6)
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| 157 |     {
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| 158 |         data_[0] = x0;
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| 159 |         data_[1] = x1;
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| 160 |         data_[2] = x2;
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| 161 |         data_[3] = x3;
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| 162 |         data_[4] = x4;
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| 163 |         data_[5] = x5;
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| 164 |         data_[6] = x6;
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| 165 |     }
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| 166 | 
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| 167 |     TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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| 168 |         T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6,
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| 169 |         T_numtype x7)
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| 170 |     {
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| 171 |         data_[0] = x0;
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| 172 |         data_[1] = x1;
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| 173 |         data_[2] = x2;
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| 174 |         data_[3] = x3;
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| 175 |         data_[4] = x4;
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| 176 |         data_[5] = x5;
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| 177 |         data_[6] = x6;
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| 178 |         data_[7] = x7;
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| 179 |     }
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| 180 | 
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| 181 |     TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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| 182 |         T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6,
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| 183 |         T_numtype x7, T_numtype x8)
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| 184 |     {
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| 185 |         data_[0] = x0;
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| 186 |         data_[1] = x1;
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| 187 |         data_[2] = x2;
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| 188 |         data_[3] = x3;
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| 189 |         data_[4] = x4;
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| 190 |         data_[5] = x5;
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| 191 |         data_[6] = x6;
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| 192 |         data_[7] = x7;
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| 193 |         data_[8] = x8;
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| 194 |     }
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| 195 | 
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| 196 |     TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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| 197 |         T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6,
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| 198 |         T_numtype x7, T_numtype x8, T_numtype x9)
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| 199 |     {
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| 200 |         data_[0] = x0;
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| 201 |         data_[1] = x1;
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| 202 |         data_[2] = x2;
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| 203 |         data_[3] = x3;
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| 204 |         data_[4] = x4;
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| 205 |         data_[5] = x5;
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| 206 |         data_[6] = x6;
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| 207 |         data_[7] = x7;
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| 208 |         data_[8] = x8;
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| 209 |         data_[9] = x9;
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| 210 |     }
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| 211 | 
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| 212 |     TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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| 213 |         T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6,
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| 214 |         T_numtype x7, T_numtype x8, T_numtype x9, T_numtype x10)
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| 215 |     {
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| 216 |         data_[0] = x0;
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| 217 |         data_[1] = x1;
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| 218 |         data_[2] = x2;
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| 219 |         data_[3] = x3;
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| 220 |         data_[4] = x4;
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| 221 |         data_[5] = x5;
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| 222 |         data_[6] = x6;
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| 223 |         data_[7] = x7;
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| 224 |         data_[8] = x8;
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| 225 |         data_[9] = x9;
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| 226 |         data_[10] = x10;
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| 227 |     }
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| 228 | 
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| 229 |     T_iterator begin()
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| 230 |     { return T_iterator(*this); }
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| 231 | 
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| 232 |     T_constIterator begin() const
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| 233 |     { return T_constIterator(*this); }
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| 234 | 
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| 235 |     // T_iterator end();
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| 236 |     // T_constIterator end() const;
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| 237 | 
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| 238 |     T_numtype * _bz_restrict data()
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| 239 |     { return data_; }
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| 240 | 
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| 241 |     const T_numtype * _bz_restrict data() const
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| 242 |     { return data_; }
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| 243 | 
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| 244 |     T_numtype * _bz_restrict dataFirst()
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| 245 |     { return data_; }
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| 246 | 
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| 247 |     const T_numtype * _bz_restrict dataFirst() const
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| 248 |     { return data_; }
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| 249 | 
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| 250 |     unsigned length() const
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| 251 |     { return N_length; }
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| 252 | 
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| 253 |     /////////////////////////////////////////////
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| 254 |     // Library-internal member functions
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| 255 |     // These are undocumented and may change or
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| 256 |     // disappear in future releases.
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| 257 |     /////////////////////////////////////////////
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| 258 | 
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| 259 |     unsigned        _bz_suggestLength() const
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| 260 |     { return N_length; }
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| 261 | 
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| 262 |     _bz_bool        _bz_hasFastAccess() const
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| 263 |     { return _bz_true; }
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| 264 | 
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| 265 |     T_numtype& _bz_restrict     _bz_fastAccess(unsigned i)
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| 266 |     { return data_[i]; }
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| 267 | 
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| 268 |     T_numtype       _bz_fastAccess(unsigned i) const
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| 269 |     { return data_[i]; }
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| 270 | 
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| 271 |     template<class P_expr, class P_updater>
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| 272 |     void _bz_assign(P_expr, P_updater);
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| 273 | 
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| 274 |     _bz_VecExpr<T_constIterator> _bz_asVecExpr() const
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| 275 |     { return _bz_VecExpr<T_constIterator>(begin()); }
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| 276 |    
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| 277 |     //////////////////////////////////////////////
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| 278 |     // Subscripting operators
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| 279 |     //////////////////////////////////////////////
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| 280 | 
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| 281 |     int lengthCheck(unsigned i) const
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| 282 |     {
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| 283 |         BZPRECHECK(i < N_length, 
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| 284 |             "TinyVector<" << BZ_DEBUG_TEMPLATE_AS_STRING_LITERAL(T_numtype) 
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| 285 |             << "," << N_length << "> index out of bounds: " << i);
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| 286 |         return 1;
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| 287 |     }
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| 288 | 
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| 289 |     T_numtype operator()(unsigned i) const
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| 290 |     {
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| 291 |         BZPRECONDITION(lengthCheck(i));
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| 292 |         return data_[i];
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| 293 |     }
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| 294 | 
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| 295 |     T_numtype& _bz_restrict operator()(unsigned i)
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| 296 |     { 
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| 297 |         BZPRECONDITION(lengthCheck(i));
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| 298 |         return data_[i];
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| 299 |     }
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| 300 | 
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| 301 |     T_numtype operator[](unsigned i) const
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| 302 |     {
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| 303 |         BZPRECONDITION(lengthCheck(i));
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| 304 |         return data_[i];
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| 305 |     }
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| 306 | 
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| 307 |     T_numtype& _bz_restrict operator[](unsigned i)
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| 308 |     {
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| 309 |         BZPRECONDITION(lengthCheck(i));
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| 310 |         return data_[i];
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| 311 |     }
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| 312 | 
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| 313 |     //////////////////////////////////////////////
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| 314 |     // Assignment operators
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| 315 |     //////////////////////////////////////////////
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| 316 | 
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| 317 |     // Scalar operand
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| 318 |     ListInitializationSwitch<T_vector> operator=(T_numtype x)
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| 319 |     {
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| 320 |         return ListInitializationSwitch<T_vector>(*this, x);
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| 321 |     }
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| 322 | 
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| 323 |     T_vector& initialize(T_numtype);
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| 324 |     T_vector& operator+=(T_numtype);
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| 325 |     T_vector& operator-=(T_numtype);
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| 326 |     T_vector& operator*=(T_numtype);
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| 327 |     T_vector& operator/=(T_numtype);
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| 328 |     T_vector& operator%=(T_numtype);
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| 329 |     T_vector& operator^=(T_numtype);
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| 330 |     T_vector& operator&=(T_numtype);
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| 331 |     T_vector& operator|=(T_numtype);
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| 332 |     T_vector& operator>>=(int);
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| 333 |     T_vector& operator<<=(int);
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| 334 | 
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| 335 |     template<class P_numtype2> 
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| 336 |     T_vector& operator=(const TinyVector<P_numtype2, N_length> &);
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| 337 |     template<class P_numtype2>
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| 338 |     T_vector& operator+=(const TinyVector<P_numtype2, N_length> &);
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| 339 |     template<class P_numtype2>
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| 340 |     T_vector& operator-=(const TinyVector<P_numtype2, N_length> &);
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| 341 |     template<class P_numtype2>
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| 342 |     T_vector& operator*=(const TinyVector<P_numtype2, N_length> &);
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| 343 |     template<class P_numtype2>
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| 344 |     T_vector& operator/=(const TinyVector<P_numtype2, N_length> &);
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| 345 |     template<class P_numtype2>
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| 346 |     T_vector& operator%=(const TinyVector<P_numtype2, N_length> &);
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| 347 |     template<class P_numtype2>
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| 348 |     T_vector& operator^=(const TinyVector<P_numtype2, N_length> &);
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| 349 |     template<class P_numtype2>
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| 350 |     T_vector& operator&=(const TinyVector<P_numtype2, N_length> &);
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| 351 |     template<class P_numtype2>
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| 352 |     T_vector& operator|=(const TinyVector<P_numtype2, N_length> &);
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| 353 |     template<class P_numtype2>
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| 354 |     T_vector& operator>>=(const TinyVector<P_numtype2, N_length> &);
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| 355 |     template<class P_numtype2>
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| 356 |     T_vector& operator<<=(const TinyVector<P_numtype2, N_length> &);
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| 357 | 
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| 358 |     template<class P_numtype2> T_vector& operator=(const Vector<P_numtype2> &);
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| 359 |     template<class P_numtype2> T_vector& operator+=(const Vector<P_numtype2> &);
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| 360 |     template<class P_numtype2> T_vector& operator-=(const Vector<P_numtype2> &);
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| 361 |     template<class P_numtype2> T_vector& operator*=(const Vector<P_numtype2> &);
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| 362 |     template<class P_numtype2> T_vector& operator/=(const Vector<P_numtype2> &);
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| 363 |     template<class P_numtype2> T_vector& operator%=(const Vector<P_numtype2> &);
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| 364 |     template<class P_numtype2> T_vector& operator^=(const Vector<P_numtype2> &);
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| 365 |     template<class P_numtype2> T_vector& operator&=(const Vector<P_numtype2> &);
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| 366 |     template<class P_numtype2> T_vector& operator|=(const Vector<P_numtype2> &);
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| 367 |     template<class P_numtype2> T_vector& operator>>=(const Vector<P_numtype2> &);
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| 368 |     template<class P_numtype2> T_vector& operator<<=(const Vector<P_numtype2> &);
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| 369 | 
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| 370 |     // Vector expression operand
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| 371 |     template<class P_expr> T_vector& operator=(_bz_VecExpr<P_expr>);
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| 372 |     template<class P_expr> T_vector& operator+=(_bz_VecExpr<P_expr>);
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| 373 |     template<class P_expr> T_vector& operator-=(_bz_VecExpr<P_expr>);
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| 374 |     template<class P_expr> T_vector& operator*=(_bz_VecExpr<P_expr>);
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| 375 |     template<class P_expr> T_vector& operator/=(_bz_VecExpr<P_expr>);
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| 376 |     template<class P_expr> T_vector& operator%=(_bz_VecExpr<P_expr>);
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| 377 |     template<class P_expr> T_vector& operator^=(_bz_VecExpr<P_expr>);
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| 378 |     template<class P_expr> T_vector& operator&=(_bz_VecExpr<P_expr>);
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| 379 |     template<class P_expr> T_vector& operator|=(_bz_VecExpr<P_expr>);
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| 380 |     template<class P_expr> T_vector& operator>>=(_bz_VecExpr<P_expr>);
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| 381 |     template<class P_expr> T_vector& operator<<=(_bz_VecExpr<P_expr>);
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| 382 | 
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| 383 |     // VectorPick operand
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| 384 |     template<class P_numtype2>
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| 385 |     T_vector& operator=(const VectorPick<P_numtype2> &);
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| 386 |     template<class P_numtype2>
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| 387 |     T_vector& operator+=(const VectorPick<P_numtype2> &);
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| 388 |     template<class P_numtype2>
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| 389 |     T_vector& operator-=(const VectorPick<P_numtype2> &);
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| 390 |     template<class P_numtype2>
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| 391 |     T_vector& operator*=(const VectorPick<P_numtype2> &);
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| 392 |     template<class P_numtype2>
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| 393 |     T_vector& operator/=(const VectorPick<P_numtype2> &);
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| 394 |     template<class P_numtype2>
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| 395 |     T_vector& operator%=(const VectorPick<P_numtype2> &);
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| 396 |     template<class P_numtype2>
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| 397 |     T_vector& operator^=(const VectorPick<P_numtype2> &);
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| 398 |     template<class P_numtype2>
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| 399 |     T_vector& operator&=(const VectorPick<P_numtype2> &);
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| 400 |     template<class P_numtype2>
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| 401 |     T_vector& operator|=(const VectorPick<P_numtype2> &);
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| 402 |     template<class P_numtype2>
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| 403 |     T_vector& operator>>=(const VectorPick<P_numtype2> &);
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| 404 |     template<class P_numtype2>
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| 405 |     T_vector& operator<<=(const VectorPick<P_numtype2> &);
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| 406 | 
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| 407 |     // Range operand
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| 408 |     T_vector& operator=(Range);
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| 409 |     T_vector& operator+=(Range);
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| 410 |     T_vector& operator-=(Range);
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| 411 |     T_vector& operator*=(Range);
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| 412 |     T_vector& operator/=(Range);
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| 413 |     T_vector& operator%=(Range);
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| 414 |     T_vector& operator^=(Range);
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| 415 |     T_vector& operator&=(Range);
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| 416 |     T_vector& operator|=(Range);
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| 417 |     T_vector& operator>>=(Range);
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| 418 |     T_vector& operator<<=(Range);
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| 419 | 
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| 420 |     T_numtype* _bz_restrict getInitializationIterator()
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| 421 |     { return dataFirst(); }
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| 422 | 
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| 423 | private:
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| 424 |     T_numtype data_[N_length];
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| 425 | };
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| 426 | 
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| 427 | BZ_NAMESPACE_END
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| 428 | 
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| 429 | #include <blitz/tinyveciter.h>  // Iterators
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| 430 | #include <blitz/tvecglobs.h>    // Global functions
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| 431 | #include <blitz/vector.h>       // Expression templates
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| 432 | #include <blitz/tinyvec.cc>     // Member functions
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| 433 | #include <blitz/tinyvecio.cc>   // I/O functions
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| 434 | 
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| 435 | #endif // BZ_TINYVEC_H
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| 436 | 
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