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annotate liboctave/dNDArray.h @ 10396:a0b51ac0f88a

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optimize accumdim with summation
author Jaroslav Hajek <highegg@gmail.com>
date Fri, 05 Mar 2010 12:31:30 +0100
parents 96ed7c629bbd
children fd0a3ac60b0e
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1 /*
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2
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3 Copyright (C) 1996, 1997, 2003, 2004, 2005, 2006, 2007, 2008,
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4 2009 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if !defined (octave_NDArray_h)
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25 #define octave_NDArray_h 1
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26
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27 #include "MArray.h"
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28 #include "dMatrix.h"
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29 #include "intNDArray.h"
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31 #include "mx-defs.h"
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32 #include "mx-op-decl.h"
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33 #include "bsxfun-decl.h"
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35 class
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36 OCTAVE_API
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37 NDArray : public MArray<double>
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38 {
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39 public:
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40
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41 typedef Matrix matrix_type;
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42
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43 NDArray (void) : MArray<double> () { }
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44
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45 NDArray (const dim_vector& dv) : MArray<double> (dv) { }
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47 NDArray (const dim_vector& dv, double val)
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48 : MArray<double> (dv, val) { }
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49
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50 NDArray (const NDArray& a) : MArray<double> (a) { }
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51
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52 NDArray (const Matrix& a) : MArray<double> (a) { }
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53
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54 NDArray (const Array<octave_idx_type>& a, bool zero_based = false,
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55 bool negative_to_nan = false);
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56
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57 template <class U>
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58 NDArray (const MArray<U>& a) : MArray<double> (a) { }
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59
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60 template <class U>
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61 NDArray (const Array<U>& a) : MArray<double> (a) { }
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63 template <class U>
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64 explicit NDArray (const intNDArray<U>& a) : MArray<double> (a) { }
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65
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66 NDArray (const charNDArray&);
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67
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68 NDArray& operator = (const NDArray& a)
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69 {
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70 MArray<double>::operator = (a);
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71 return *this;
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72 }
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73
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74 // unary operations
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75
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76 boolNDArray operator ! (void) const;
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77
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78 bool any_element_is_negative (bool = false) const;
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79 bool any_element_is_nan (void) const;
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80 bool any_element_is_inf_or_nan (void) const;
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81 bool any_element_not_one_or_zero (void) const;
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82 bool all_elements_are_zero (void) const;
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83 bool all_elements_are_int_or_inf_or_nan (void) const;
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84 bool all_integers (double& max_val, double& min_val) const;
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85 bool all_integers (void) const;
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86 bool too_large_for_float (void) const;
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87
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88 // FIXME -- this is not quite the right thing.
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89
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90 boolNDArray all (int dim = -1) const;
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91 boolNDArray any (int dim = -1) const;
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92
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93 NDArray cumprod (int dim = -1) const;
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94 NDArray cumsum (int dim = -1) const;
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95 NDArray prod (int dim = -1) const;
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96 NDArray sum (int dim = -1) const;
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97 NDArray xsum (int dim = -1) const;
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98 NDArray sumsq (int dim = -1) const;
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99 NDArray concat (const NDArray& rb, const Array<octave_idx_type>& ra_idx);
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100 ComplexNDArray concat (const ComplexNDArray& rb, const Array<octave_idx_type>& ra_idx);
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101 charNDArray concat (const charNDArray& rb, const Array<octave_idx_type>& ra_idx);
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102
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103 NDArray max (int dim = -1) const;
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104 NDArray max (Array<octave_idx_type>& index, int dim = -1) const;
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105 NDArray min (int dim = -1) const;
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106 NDArray min (Array<octave_idx_type>& index, int dim = -1) const;
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107
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108 NDArray cummax (int dim = -1) const;
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109 NDArray cummax (Array<octave_idx_type>& index, int dim = -1) const;
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110 NDArray cummin (int dim = -1) const;
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111 NDArray cummin (Array<octave_idx_type>& index, int dim = -1) const;
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112
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113 NDArray diff (octave_idx_type order = 1, int dim = -1) const;
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114
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115 NDArray& insert (const NDArray& a, octave_idx_type r, octave_idx_type c);
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116 NDArray& insert (const NDArray& a, const Array<octave_idx_type>& ra_idx);
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117
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118 NDArray abs (void) const;
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119 boolNDArray isnan (void) const;
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120 boolNDArray isinf (void) const;
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121 boolNDArray isfinite (void) const;
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122
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123 ComplexNDArray fourier (int dim = 1) const;
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124 ComplexNDArray ifourier (int dim = 1) const;
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125
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126 ComplexNDArray fourier2d (void) const;
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127 ComplexNDArray ifourier2d (void) const;
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128
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129 ComplexNDArray fourierNd (void) const;
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130 ComplexNDArray ifourierNd (void) const;
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131
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132 friend OCTAVE_API NDArray real (const ComplexNDArray& a);
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133 friend OCTAVE_API NDArray imag (const ComplexNDArray& a);
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134
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135 friend class ComplexNDArray;
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136
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137 Matrix matrix_value (void) const;
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138
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139 NDArray squeeze (void) const { return MArray<double>::squeeze (); }
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141 static void increment_index (Array<octave_idx_type>& ra_idx,
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142 const dim_vector& dimensions,
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143 int start_dimension = 0);
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144
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145 static octave_idx_type compute_index (Array<octave_idx_type>& ra_idx,
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146 const dim_vector& dimensions);
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147
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148 // i/o
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149
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150 friend OCTAVE_API std::ostream& operator << (std::ostream& os, const NDArray& a);
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151 friend OCTAVE_API std::istream& operator >> (std::istream& is, NDArray& a);
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152
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153 static double resize_fill_value (void) { return 0; }
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154
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155 NDArray diag (octave_idx_type k = 0) const;
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156
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157 NDArray& changesign (void)
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158 {
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159 MArray<double>::changesign ();
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160 return *this;
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161 }
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162
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163 };
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164
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165 // Publish externally used friend functions.
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166
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167 extern OCTAVE_API NDArray real (const ComplexNDArray& a);
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168 extern OCTAVE_API NDArray imag (const ComplexNDArray& a);
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169
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170 MINMAX_DECLS (NDArray, double, OCTAVE_API)
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171
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172 NDS_CMP_OP_DECLS (NDArray, double, OCTAVE_API)
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173 NDS_BOOL_OP_DECLS (NDArray, double, OCTAVE_API)
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174
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175 SND_CMP_OP_DECLS (double, NDArray, OCTAVE_API)
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176 SND_BOOL_OP_DECLS (double, NDArray, OCTAVE_API)
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177
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178 NDND_CMP_OP_DECLS (NDArray, NDArray, OCTAVE_API)
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179 NDND_BOOL_OP_DECLS (NDArray, NDArray, OCTAVE_API)
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180
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181 MARRAY_FORWARD_DEFS (MArray, NDArray, double)
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182
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183 BSXFUN_STDOP_DECLS (NDArray, OCTAVE_API)
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184 BSXFUN_STDREL_DECLS (NDArray, OCTAVE_API)
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185
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186 BSXFUN_OP_DECL (pow, NDArray, OCTAVE_API)
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187 BSXFUN_OP2_DECL (pow, ComplexNDArray, ComplexNDArray,
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188 NDArray, OCTAVE_API)
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189
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190 #endif