| [658] | 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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