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 1999-04-09 17:59:01 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 1.2 1998/03/14 00:04:47 tveldhui
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27 | * 0.2-alpha-05
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28 | *
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29 | * Revision 1.1 1997/07/16 14:51:20 tveldhui
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30 | * Update: Alpha release 0.2 (Arrays)
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31 | *
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32 | */
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33 |
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34 | #ifndef BZ_TINYVEC_H
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35 | #define BZ_TINYVEC_H
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36 |
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37 | #ifndef BZ_BLITZ_H
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38 | #include <blitz/blitz.h>
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39 | #endif
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40 |
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41 | #ifndef BZ_RANGE_H
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42 | #include <blitz/range.h>
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43 | #endif
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44 |
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45 | #ifndef BZ_LISTINIT_H
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46 | #include <blitz/listinit.h>
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47 | #endif
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48 |
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49 | #include <blitz/tiny.h>
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50 |
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51 | BZ_NAMESPACE(blitz)
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52 |
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53 | /*****************************************************************************
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54 | * Forward declarations
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55 | */
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56 |
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57 | template<class P_numtype, int N_length, int N_stride BZ_TEMPLATE_DEFAULT(1) >
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58 | class TinyVectorIter;
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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 TinyVectorIterConst;
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62 |
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63 | template<class P_numtype>
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64 | class Vector;
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65 |
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66 | template<class P_expr>
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67 | class _bz_VecExpr;
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68 |
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69 | template<class P_distribution>
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70 | class Random;
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71 |
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72 | template<class P_numtype>
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73 | class VectorPick;
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74 |
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75 | template<class T_numtype1, class T_numtype2, int N_rows, int N_columns,
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76 | int N_vecStride>
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77 | class _bz_matrixVectorProduct;
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78 |
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79 |
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80 |
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81 | /*****************************************************************************
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82 | * Declaration of class TinyVector
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83 | */
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84 |
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85 | template<class P_numtype, int N_length>
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86 | class TinyVector {
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87 |
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88 | public:
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89 | //////////////////////////////////////////////
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90 | // Public Types
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91 | //////////////////////////////////////////////
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92 |
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93 | typedef P_numtype T_numtype;
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94 | typedef TinyVector<T_numtype,N_length> T_vector;
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95 | typedef TinyVectorIter<T_numtype,N_length,1> T_iterator;
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96 | typedef TinyVectorIterConst<T_numtype,N_length,1> T_constIterator;
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97 | enum { numElements = N_length };
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98 |
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99 | TinyVector()
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100 | { }
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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 | inline TinyVector(const TinyVector<P_numtype,N_length>& x);
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106 |
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107 | inline TinyVector(T_numtype initValue);
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108 |
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109 | TinyVector(T_numtype x0, T_numtype x1)
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110 | {
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111 | data_[0] = x0;
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112 | data_[1] = x1;
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113 | }
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114 |
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115 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2)
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116 | {
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117 | data_[0] = x0;
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118 | data_[1] = x1;
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119 | data_[2] = x2;
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120 | }
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121 |
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122 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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123 | T_numtype x3)
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124 | {
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125 | data_[0] = x0;
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126 | data_[1] = x1;
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127 | data_[2] = x2;
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128 | data_[3] = x3;
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129 | }
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130 |
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131 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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132 | T_numtype x3, T_numtype x4)
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133 | {
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134 | data_[0] = x0;
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135 | data_[1] = x1;
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136 | data_[2] = x2;
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137 | data_[3] = x3;
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138 | data_[4] = x4;
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139 | }
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140 |
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141 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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142 | T_numtype x3, T_numtype x4, T_numtype x5)
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143 | {
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144 | data_[0] = x0;
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145 | data_[1] = x1;
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146 | data_[2] = x2;
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147 | data_[3] = x3;
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148 | data_[4] = x4;
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149 | data_[5] = x5;
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150 | }
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151 |
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152 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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153 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6)
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154 | {
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155 | data_[0] = x0;
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156 | data_[1] = x1;
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157 | data_[2] = x2;
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158 | data_[3] = x3;
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159 | data_[4] = x4;
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160 | data_[5] = x5;
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161 | data_[6] = x6;
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162 | }
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163 |
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164 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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165 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6,
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166 | T_numtype x7)
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167 | {
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168 | data_[0] = x0;
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169 | data_[1] = x1;
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170 | data_[2] = x2;
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171 | data_[3] = x3;
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172 | data_[4] = x4;
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173 | data_[5] = x5;
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174 | data_[6] = x6;
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175 | data_[7] = x7;
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176 | }
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177 |
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178 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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179 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6,
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180 | T_numtype x7, T_numtype x8)
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181 | {
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182 | data_[0] = x0;
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183 | data_[1] = x1;
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184 | data_[2] = x2;
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185 | data_[3] = x3;
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186 | data_[4] = x4;
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187 | data_[5] = x5;
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188 | data_[6] = x6;
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189 | data_[7] = x7;
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190 | data_[8] = x8;
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191 | }
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192 |
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193 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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194 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6,
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195 | T_numtype x7, T_numtype x8, T_numtype x9)
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196 | {
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197 | data_[0] = x0;
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198 | data_[1] = x1;
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199 | data_[2] = x2;
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200 | data_[3] = x3;
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201 | data_[4] = x4;
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202 | data_[5] = x5;
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203 | data_[6] = x6;
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204 | data_[7] = x7;
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205 | data_[8] = x8;
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206 | data_[9] = x9;
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207 | }
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208 |
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209 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2,
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210 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6,
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211 | T_numtype x7, T_numtype x8, T_numtype x9, T_numtype x10)
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212 | {
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213 | data_[0] = x0;
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214 | data_[1] = x1;
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215 | data_[2] = x2;
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216 | data_[3] = x3;
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217 | data_[4] = x4;
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218 | data_[5] = x5;
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219 | data_[6] = x6;
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220 | data_[7] = x7;
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221 | data_[8] = x8;
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222 | data_[9] = x9;
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223 | data_[10] = x10;
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224 | }
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225 |
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226 | T_iterator begin()
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227 | { return T_iterator(*this); }
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228 |
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229 | T_constIterator begin() const
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230 | { return T_constIterator(*this); }
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231 |
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232 | // T_iterator end();
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233 | // T_constIterator end() const;
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234 |
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235 | T_numtype * _bz_restrict data()
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236 | { return data_; }
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237 |
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238 | const T_numtype * _bz_restrict data() const
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239 | { return data_; }
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240 |
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241 | T_numtype * _bz_restrict dataFirst()
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242 | { return data_; }
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243 |
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244 | const T_numtype * _bz_restrict dataFirst() const
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245 | { return data_; }
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246 |
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247 | unsigned length() const
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248 | { return N_length; }
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249 |
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250 | /////////////////////////////////////////////
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251 | // Library-internal member functions
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252 | // These are undocumented and may change or
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253 | // disappear in future releases.
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254 | /////////////////////////////////////////////
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255 |
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256 | unsigned _bz_suggestLength() const
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257 | { return N_length; }
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258 |
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259 | _bz_bool _bz_hasFastAccess() const
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260 | { return _bz_true; }
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261 |
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262 | T_numtype& _bz_restrict _bz_fastAccess(unsigned i)
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263 | { return data_[i]; }
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264 |
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265 | T_numtype _bz_fastAccess(unsigned i) const
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266 | { return data_[i]; }
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267 |
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268 | template<class P_expr, class P_updater>
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269 | void _bz_assign(P_expr, P_updater);
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270 |
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271 | _bz_VecExpr<T_constIterator> _bz_asVecExpr() const
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272 | { return _bz_VecExpr<T_constIterator>(begin()); }
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273 |
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274 | //////////////////////////////////////////////
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275 | // Subscripting operators
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276 | //////////////////////////////////////////////
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277 |
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278 | int lengthCheck(unsigned i) const
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279 | {
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280 | BZPRECHECK(i < N_length,
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281 | "TinyVector<" << BZ_DEBUG_TEMPLATE_AS_STRING_LITERAL(T_numtype)
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282 | << "," << N_length << "> index out of bounds: " << i);
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283 | return 1;
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284 | }
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285 |
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286 | T_numtype operator()(unsigned i) const
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287 | {
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288 | BZPRECONDITION(lengthCheck(i));
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289 | return data_[i];
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290 | }
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291 |
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292 | T_numtype& _bz_restrict operator()(unsigned i)
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293 | {
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294 | BZPRECONDITION(lengthCheck(i));
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295 | return data_[i];
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296 | }
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297 |
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298 | T_numtype operator[](unsigned i) const
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299 | {
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300 | BZPRECONDITION(lengthCheck(i));
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301 | return data_[i];
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302 | }
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303 |
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304 | T_numtype& _bz_restrict operator[](unsigned i)
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305 | {
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306 | BZPRECONDITION(lengthCheck(i));
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307 | return data_[i];
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308 | }
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309 |
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310 | //////////////////////////////////////////////
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311 | // Assignment operators
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312 | //////////////////////////////////////////////
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313 |
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314 | // Scalar operand
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315 | ListInitializationSwitch<T_vector> operator=(T_numtype x)
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316 | {
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317 | return ListInitializationSwitch<T_vector>(*this, x);
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318 | }
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319 |
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320 | T_vector& initialize(T_numtype);
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321 | T_vector& operator+=(T_numtype);
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322 | T_vector& operator-=(T_numtype);
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323 | T_vector& operator*=(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>>=(int);
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330 | T_vector& operator<<=(int);
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331 |
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332 | template<class P_numtype2>
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333 | T_vector& operator=(const TinyVector<P_numtype2, N_length> &);
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334 | template<class P_numtype2>
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335 | T_vector& operator+=(const TinyVector<P_numtype2, N_length> &);
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336 | template<class P_numtype2>
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337 | T_vector& operator-=(const TinyVector<P_numtype2, N_length> &);
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338 | template<class P_numtype2>
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339 | T_vector& operator*=(const TinyVector<P_numtype2, N_length> &);
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340 | template<class P_numtype2>
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341 | T_vector& operator/=(const TinyVector<P_numtype2, N_length> &);
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342 | template<class P_numtype2>
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343 | T_vector& operator%=(const TinyVector<P_numtype2, N_length> &);
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344 | template<class P_numtype2>
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345 | T_vector& operator^=(const TinyVector<P_numtype2, N_length> &);
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346 | template<class P_numtype2>
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347 | T_vector& operator&=(const TinyVector<P_numtype2, N_length> &);
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348 | template<class P_numtype2>
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349 | T_vector& operator|=(const TinyVector<P_numtype2, N_length> &);
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350 | template<class P_numtype2>
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351 | T_vector& operator>>=(const TinyVector<P_numtype2, N_length> &);
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352 | template<class P_numtype2>
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353 | T_vector& operator<<=(const TinyVector<P_numtype2, N_length> &);
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354 |
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355 | template<class P_numtype2> T_vector& operator=(const Vector<P_numtype2> &);
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356 | template<class P_numtype2> T_vector& operator+=(const Vector<P_numtype2> &);
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357 | template<class P_numtype2> T_vector& operator-=(const Vector<P_numtype2> &);
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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 |
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367 | // Vector expression operand
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368 | template<class P_expr> T_vector& operator=(_bz_VecExpr<P_expr>);
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369 | template<class P_expr> T_vector& operator+=(_bz_VecExpr<P_expr>);
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370 | template<class P_expr> T_vector& operator-=(_bz_VecExpr<P_expr>);
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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 |
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380 | // VectorPick operand
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381 | template<class P_numtype2>
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382 | T_vector& operator=(const VectorPick<P_numtype2> &);
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383 | template<class P_numtype2>
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384 | T_vector& operator+=(const VectorPick<P_numtype2> &);
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385 | template<class P_numtype2>
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386 | T_vector& operator-=(const VectorPick<P_numtype2> &);
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387 | template<class P_numtype2>
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388 | T_vector& operator*=(const VectorPick<P_numtype2> &);
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389 | template<class P_numtype2>
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390 | T_vector& operator/=(const VectorPick<P_numtype2> &);
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391 | template<class P_numtype2>
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392 | T_vector& operator%=(const VectorPick<P_numtype2> &);
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393 | template<class P_numtype2>
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394 | T_vector& operator^=(const VectorPick<P_numtype2> &);
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395 | template<class P_numtype2>
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396 | T_vector& operator&=(const VectorPick<P_numtype2> &);
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397 | template<class P_numtype2>
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398 | T_vector& operator|=(const VectorPick<P_numtype2> &);
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399 | template<class P_numtype2>
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400 | T_vector& operator>>=(const VectorPick<P_numtype2> &);
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401 | template<class P_numtype2>
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402 | T_vector& operator<<=(const VectorPick<P_numtype2> &);
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403 |
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404 | // Range operand
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405 | T_vector& operator=(Range);
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406 | T_vector& operator+=(Range);
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407 | T_vector& operator-=(Range);
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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 |
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417 | T_numtype* _bz_restrict getInitializationIterator()
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418 | { return dataFirst(); }
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419 |
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420 | private:
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421 | T_numtype data_[N_length];
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422 | };
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423 |
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424 | BZ_NAMESPACE_END
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425 |
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426 | #include <blitz/tinyveciter.h> // Iterators
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427 | #include <blitz/tvecglobs.h> // Global functions
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428 | #include <blitz/vector.h> // Expression templates
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429 | #include <blitz/tinyvec.cc> // Member functions
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430 | #include <blitz/tinyvecio.cc> // I/O functions
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431 |
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432 | #endif // BZ_TINYVEC_H
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433 |
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