1 | // -*- C++ -*- |
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2 | /*************************************************************************** |
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3 | * blitz/tinyvec.h Declaration of the TinyVector<T, N> class |
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4 | * |
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5 | * $Id: tinyvec.h,v 1.9 2005/10/06 23:23:40 julianc Exp $ |
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6 | * |
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7 | * Copyright (C) 1997-2001 Todd Veldhuizen <tveldhui@oonumerics.org> |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or |
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10 | * modify it under the terms of the GNU General Public License |
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11 | * as published by the Free Software Foundation; either version 2 |
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12 | * of the License, or (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * Suggestions: blitz-dev@oonumerics.org |
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20 | * Bugs: blitz-bugs@oonumerics.org |
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21 | * |
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22 | * For more information, please see the Blitz++ Home Page: |
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23 | * http://oonumerics.org/blitz/ |
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24 | * |
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25 | ***************************************************************************/ |
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26 | |
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27 | #ifndef BZ_TINYVEC_H |
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28 | #define BZ_TINYVEC_H |
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29 | |
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30 | #include <blitz/blitz.h> |
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31 | #include <blitz/range.h> |
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32 | #include <blitz/listinit.h> |
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33 | #include <blitz/tiny.h> |
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34 | |
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35 | BZ_NAMESPACE(blitz) |
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36 | |
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37 | /***************************************************************************** |
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38 | * Forward declarations |
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39 | */ |
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40 | |
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41 | template<typename P_numtype, int N_length, int N_stride BZ_TEMPLATE_DEFAULT(1) > |
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42 | class TinyVectorIter; |
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43 | |
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44 | template<typename P_numtype, int N_length, int N_stride BZ_TEMPLATE_DEFAULT(1) > |
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45 | class TinyVectorIterConst; |
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46 | |
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47 | template<typename P_numtype> |
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48 | class Vector; |
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49 | |
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50 | template<typename P_expr> |
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51 | class _bz_VecExpr; |
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52 | |
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53 | template<typename P_distribution> |
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54 | class Random; |
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55 | |
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56 | template<typename P_numtype> |
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57 | class VectorPick; |
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58 | |
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59 | template<typename T_numtype1, typename T_numtype2, int N_rows, int N_columns, |
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60 | int N_vecStride> |
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61 | class _bz_matrixVectorProduct; |
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62 | |
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63 | |
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64 | |
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65 | /***************************************************************************** |
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66 | * Declaration of class TinyVector |
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67 | */ |
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68 | |
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69 | template<typename P_numtype, int N_length> |
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70 | class TinyVector { |
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71 | public: |
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72 | |
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73 | ////////////////////////////////////////////// |
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74 | // Public Types |
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75 | ////////////////////////////////////////////// |
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76 | |
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77 | typedef P_numtype T_numtype; |
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78 | typedef TinyVector<T_numtype,N_length> T_vector; |
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79 | typedef TinyVectorIter<T_numtype,N_length,1> T_iterator; |
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80 | typedef TinyVectorIterConst<T_numtype,N_length,1> T_constIterator; |
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81 | typedef T_numtype* iterator; |
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82 | typedef const T_numtype* const_iterator; |
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83 | enum { numElements = N_length }; |
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84 | |
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85 | TinyVector() { } |
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86 | ~TinyVector() { } |
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87 | |
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88 | inline TinyVector(const TinyVector<T_numtype,N_length>& x); |
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89 | |
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90 | template <typename T_numtype2> |
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91 | inline TinyVector(const TinyVector<T_numtype2,N_length>& x); |
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92 | |
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93 | inline TinyVector(const T_numtype initValue); |
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94 | |
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95 | inline TinyVector(const T_numtype x[]) { |
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96 | memcpy(data_,x,N_length*sizeof(T_numtype)); |
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97 | } |
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98 | |
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99 | TinyVector(T_numtype x0, T_numtype x1) |
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100 | { |
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101 | data_[0] = x0; |
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102 | data_[1] = x1; |
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103 | } |
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104 | |
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105 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2) |
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106 | { |
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107 | data_[0] = x0; |
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108 | data_[1] = x1; |
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109 | data_[2] = x2; |
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110 | } |
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111 | |
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112 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2, |
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113 | T_numtype x3) |
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114 | { |
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115 | data_[0] = x0; |
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116 | data_[1] = x1; |
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117 | data_[2] = x2; |
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118 | data_[3] = x3; |
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119 | } |
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120 | |
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121 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2, |
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122 | T_numtype x3, T_numtype x4) |
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123 | { |
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124 | data_[0] = x0; |
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125 | data_[1] = x1; |
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126 | data_[2] = x2; |
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127 | data_[3] = x3; |
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128 | data_[4] = x4; |
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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, T_numtype x5) |
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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 | data_[5] = x5; |
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140 | } |
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141 | |
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142 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2, |
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143 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6) |
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144 | { |
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145 | data_[0] = x0; |
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146 | data_[1] = x1; |
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147 | data_[2] = x2; |
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148 | data_[3] = x3; |
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149 | data_[4] = x4; |
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150 | data_[5] = x5; |
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151 | data_[6] = x6; |
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152 | } |
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153 | |
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154 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2, |
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155 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6, |
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156 | T_numtype x7) |
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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 | data_[7] = x7; |
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166 | } |
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167 | |
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168 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2, |
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169 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6, |
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170 | T_numtype x7, T_numtype x8) |
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171 | { |
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172 | data_[0] = x0; |
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173 | data_[1] = x1; |
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174 | data_[2] = x2; |
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175 | data_[3] = x3; |
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176 | data_[4] = x4; |
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177 | data_[5] = x5; |
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178 | data_[6] = x6; |
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179 | data_[7] = x7; |
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180 | data_[8] = x8; |
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181 | } |
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182 | |
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183 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2, |
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184 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6, |
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185 | T_numtype x7, T_numtype x8, T_numtype x9) |
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186 | { |
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187 | data_[0] = x0; |
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188 | data_[1] = x1; |
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189 | data_[2] = x2; |
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190 | data_[3] = x3; |
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191 | data_[4] = x4; |
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192 | data_[5] = x5; |
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193 | data_[6] = x6; |
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194 | data_[7] = x7; |
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195 | data_[8] = x8; |
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196 | data_[9] = x9; |
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197 | } |
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198 | |
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199 | TinyVector(T_numtype x0, T_numtype x1, T_numtype x2, |
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200 | T_numtype x3, T_numtype x4, T_numtype x5, T_numtype x6, |
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201 | T_numtype x7, T_numtype x8, T_numtype x9, T_numtype x10) |
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202 | { |
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203 | data_[0] = x0; |
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204 | data_[1] = x1; |
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205 | data_[2] = x2; |
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206 | data_[3] = x3; |
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207 | data_[4] = x4; |
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208 | data_[5] = x5; |
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209 | data_[6] = x6; |
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210 | data_[7] = x7; |
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211 | data_[8] = x8; |
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212 | data_[9] = x9; |
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213 | data_[10] = x10; |
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214 | } |
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215 | |
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216 | // Constructor added by Peter Nordlund |
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217 | template<typename P_expr> |
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218 | inline TinyVector(_bz_VecExpr<P_expr> expr); |
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219 | |
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220 | T_iterator beginFast() { return T_iterator(*this); } |
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221 | T_constIterator beginFast() const { return T_constIterator(*this); } |
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222 | |
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223 | iterator begin() { return data_; } |
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224 | const_iterator begin() const { return data_; } |
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225 | |
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226 | iterator end() { return data_ + N_length; } |
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227 | const_iterator end() const { return data_ + N_length; } |
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228 | |
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229 | T_numtype * restrict data() |
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230 | { return data_; } |
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231 | |
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232 | const T_numtype * restrict data() const |
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233 | { return data_; } |
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234 | |
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235 | T_numtype * restrict dataFirst() |
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236 | { return data_; } |
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237 | |
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238 | const T_numtype * restrict dataFirst() const |
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239 | { return data_; } |
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240 | |
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241 | unsigned length() const |
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242 | { return N_length; } |
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243 | |
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244 | ///////////////////////////////////////////// |
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245 | // Library-internal member functions |
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246 | // These are undocumented and may change or |
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247 | // disappear in future releases. |
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248 | ///////////////////////////////////////////// |
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249 | |
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250 | unsigned _bz_suggestLength() const |
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251 | { return N_length; } |
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252 | |
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253 | bool _bz_hasFastAccess() const |
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254 | { return true; } |
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255 | |
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256 | T_numtype& restrict _bz_fastAccess(unsigned i) |
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257 | { return data_[i]; } |
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258 | |
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259 | T_numtype _bz_fastAccess(unsigned i) const |
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260 | { return data_[i]; } |
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261 | |
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262 | template<typename P_expr, typename P_updater> |
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263 | void _bz_assign(P_expr, P_updater); |
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264 | |
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265 | _bz_VecExpr<T_constIterator> _bz_asVecExpr() const |
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266 | { return _bz_VecExpr<T_constIterator>(beginFast()); } |
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267 | |
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268 | ////////////////////////////////////////////// |
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269 | // Subscripting operators |
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270 | ////////////////////////////////////////////// |
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271 | |
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272 | bool lengthCheck(unsigned i) const |
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273 | { |
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274 | BZPRECHECK(i < N_length, |
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275 | "TinyVector<" << BZ_DEBUG_TEMPLATE_AS_STRING_LITERAL(T_numtype) |
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276 | << "," << N_length << "> index out of bounds: " << i); |
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277 | return true; |
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278 | } |
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279 | |
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280 | const T_numtype& operator()(unsigned i) const |
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281 | { |
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282 | BZPRECONDITION(lengthCheck(i)); |
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283 | return data_[i]; |
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284 | } |
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285 | |
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286 | T_numtype& restrict operator()(unsigned i) |
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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 | const T_numtype& operator[](unsigned i) const |
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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& restrict operator[](unsigned i) |
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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 | ////////////////////////////////////////////// |
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305 | // Assignment operators |
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306 | ////////////////////////////////////////////// |
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307 | |
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308 | // Scalar operand |
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309 | ListInitializationSwitch<T_vector,T_numtype*> operator=(T_numtype x) |
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310 | { |
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311 | return ListInitializationSwitch<T_vector,T_numtype*>(*this, x); |
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312 | } |
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313 | |
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314 | T_vector& initialize(const T_numtype); |
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315 | T_vector& operator+=(const T_numtype); |
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316 | T_vector& operator-=(const T_numtype); |
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317 | T_vector& operator*=(const T_numtype); |
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318 | T_vector& operator/=(const T_numtype); |
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319 | T_vector& operator%=(const T_numtype); |
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320 | T_vector& operator^=(const T_numtype); |
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321 | T_vector& operator&=(const T_numtype); |
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322 | T_vector& operator|=(const T_numtype); |
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323 | T_vector& operator>>=(const int); |
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324 | T_vector& operator<<=(const int); |
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325 | |
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326 | template<typename P_numtype2> |
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327 | T_vector& operator=(const TinyVector<P_numtype2, N_length> &); |
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328 | template<typename P_numtype2> |
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329 | T_vector& operator+=(const TinyVector<P_numtype2, N_length> &); |
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330 | template<typename P_numtype2> |
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331 | T_vector& operator-=(const TinyVector<P_numtype2, N_length> &); |
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332 | template<typename P_numtype2> |
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333 | T_vector& operator*=(const TinyVector<P_numtype2, N_length> &); |
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334 | template<typename P_numtype2> |
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335 | T_vector& operator/=(const TinyVector<P_numtype2, N_length> &); |
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336 | template<typename P_numtype2> |
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337 | T_vector& operator%=(const TinyVector<P_numtype2, N_length> &); |
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338 | template<typename P_numtype2> |
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339 | T_vector& operator^=(const TinyVector<P_numtype2, N_length> &); |
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340 | template<typename P_numtype2> |
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341 | T_vector& operator&=(const TinyVector<P_numtype2, N_length> &); |
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342 | template<typename P_numtype2> |
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343 | T_vector& operator|=(const TinyVector<P_numtype2, N_length> &); |
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344 | template<typename P_numtype2> |
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345 | T_vector& operator>>=(const TinyVector<P_numtype2, N_length> &); |
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346 | template<typename P_numtype2> |
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347 | T_vector& operator<<=(const TinyVector<P_numtype2, N_length> &); |
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348 | |
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349 | template<typename P_numtype2> T_vector& operator=(const Vector<P_numtype2> &); |
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350 | template<typename P_numtype2> T_vector& operator+=(const Vector<P_numtype2> &); |
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351 | template<typename P_numtype2> T_vector& operator-=(const Vector<P_numtype2> &); |
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352 | template<typename P_numtype2> T_vector& operator*=(const Vector<P_numtype2> &); |
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353 | template<typename P_numtype2> T_vector& operator/=(const Vector<P_numtype2> &); |
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354 | template<typename P_numtype2> T_vector& operator%=(const Vector<P_numtype2> &); |
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355 | template<typename P_numtype2> T_vector& operator^=(const Vector<P_numtype2> &); |
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356 | template<typename P_numtype2> T_vector& operator&=(const Vector<P_numtype2> &); |
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357 | template<typename P_numtype2> T_vector& operator|=(const Vector<P_numtype2> &); |
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358 | template<typename P_numtype2> T_vector& operator>>=(const Vector<P_numtype2> &); |
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359 | template<typename P_numtype2> T_vector& operator<<=(const Vector<P_numtype2> &); |
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360 | |
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361 | // Vector expression operand |
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362 | template<typename P_expr> T_vector& operator=(_bz_VecExpr<P_expr>); |
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363 | template<typename P_expr> T_vector& operator+=(_bz_VecExpr<P_expr>); |
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364 | template<typename P_expr> T_vector& operator-=(_bz_VecExpr<P_expr>); |
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365 | template<typename P_expr> T_vector& operator*=(_bz_VecExpr<P_expr>); |
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366 | template<typename P_expr> T_vector& operator/=(_bz_VecExpr<P_expr>); |
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367 | template<typename P_expr> T_vector& operator%=(_bz_VecExpr<P_expr>); |
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368 | template<typename P_expr> T_vector& operator^=(_bz_VecExpr<P_expr>); |
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369 | template<typename P_expr> T_vector& operator&=(_bz_VecExpr<P_expr>); |
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370 | template<typename P_expr> T_vector& operator|=(_bz_VecExpr<P_expr>); |
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371 | template<typename P_expr> T_vector& operator>>=(_bz_VecExpr<P_expr>); |
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372 | template<typename P_expr> T_vector& operator<<=(_bz_VecExpr<P_expr>); |
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373 | |
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374 | // VectorPick operand |
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375 | template<typename P_numtype2> |
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376 | T_vector& operator=(const VectorPick<P_numtype2> &); |
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377 | template<typename P_numtype2> |
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378 | T_vector& operator+=(const VectorPick<P_numtype2> &); |
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379 | template<typename P_numtype2> |
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380 | T_vector& operator-=(const VectorPick<P_numtype2> &); |
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381 | template<typename P_numtype2> |
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382 | T_vector& operator*=(const VectorPick<P_numtype2> &); |
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383 | template<typename P_numtype2> |
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384 | T_vector& operator/=(const VectorPick<P_numtype2> &); |
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385 | template<typename P_numtype2> |
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386 | T_vector& operator%=(const VectorPick<P_numtype2> &); |
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387 | template<typename P_numtype2> |
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388 | T_vector& operator^=(const VectorPick<P_numtype2> &); |
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389 | template<typename P_numtype2> |
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390 | T_vector& operator&=(const VectorPick<P_numtype2> &); |
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391 | template<typename P_numtype2> |
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392 | T_vector& operator|=(const VectorPick<P_numtype2> &); |
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393 | template<typename P_numtype2> |
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394 | T_vector& operator>>=(const VectorPick<P_numtype2> &); |
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395 | template<typename P_numtype2> |
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396 | T_vector& operator<<=(const VectorPick<P_numtype2> &); |
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397 | |
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398 | // Range operand |
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399 | T_vector& operator=(const Range&); |
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400 | T_vector& operator+=(const Range&); |
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401 | T_vector& operator-=(const Range&); |
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402 | T_vector& operator*=(const Range&); |
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403 | T_vector& operator/=(const Range&); |
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404 | T_vector& operator%=(const Range&); |
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405 | T_vector& operator^=(const Range&); |
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406 | T_vector& operator&=(const Range&); |
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407 | T_vector& operator|=(const Range&); |
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408 | T_vector& operator>>=(const Range&); |
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409 | T_vector& operator<<=(const Range&); |
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410 | |
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411 | T_numtype* restrict getInitializationIterator() |
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412 | { return dataFirst(); } |
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413 | |
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414 | private: |
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415 | T_numtype data_[N_length]; |
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416 | }; |
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417 | |
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418 | |
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419 | // Specialization for N = 0: KCC is giving some |
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420 | // peculiar errors, perhaps this will fix. |
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421 | |
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422 | template<typename T> |
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423 | class TinyVector<T,0> { |
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424 | }; |
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425 | |
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426 | BZ_NAMESPACE_END |
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427 | |
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428 | #include <blitz/tinyveciter.h> // Iterators |
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429 | #include <blitz/tvecglobs.h> // Global functions |
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430 | #include <blitz/vector.h> // Expression templates |
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431 | #include <blitz/tinyvec.cc> // Member functions |
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432 | #include <blitz/tinyvecio.cc> // I/O functions |
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433 | |
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434 | #endif // BZ_TINYVEC_H |
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435 | |
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