annotate liboctave/dNDArray.cc @ 9732:b4fdfee405b5

remove ArrayN<T> + fix nonhom. diag-scalar ops
author Jaroslav Hajek <highegg@gmail.com>
date Fri, 16 Oct 2009 13:12:31 +0200
parents 192d94cff6c1
children 26abff55f6fe
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1 // N-D Array manipulations.
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2 /*
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3
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4 Copyright (C) 1996, 1997, 2003, 2004, 2005, 2006, 2007, 2008,
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5 2009 John W. Eaton
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6 Copyright (C) 2009 VZLU Prague, a.s.
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7
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8 This file is part of Octave.
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9
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10 Octave is free software; you can redistribute it and/or modify it
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11 under the terms of the GNU General Public License as published by the
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12 Free Software Foundation; either version 3 of the License, or (at your
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13 option) any later version.
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14
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15 Octave is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with Octave; see the file COPYING. If not, see
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22 <http://www.gnu.org/licenses/>.
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23
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24 */
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25
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26 #ifdef HAVE_CONFIG_H
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27 #include <config.h>
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28 #endif
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29
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30 #include <cfloat>
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31
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32 #include <vector>
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33
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34 #include "Array-util.h"
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35 #include "dNDArray.h"
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36 #include "f77-fcn.h"
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37 #include "functor.h"
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38 #include "lo-error.h"
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39 #include "lo-ieee.h"
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40 #include "lo-mappers.h"
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41 #include "mx-base.h"
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42 #include "mx-op-defs.h"
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43 #include "oct-fftw.h"
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44 #include "oct-locbuf.h"
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45
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46 NDArray::NDArray (const Array<octave_idx_type>& a, bool zero_based,
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47 bool negative_to_nan)
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48 {
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49 const octave_idx_type *pa = a.fortran_vec ();
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50 resize (a.dims ());
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51 double *ptmp = fortran_vec ();
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52 if (negative_to_nan)
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53 {
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54 double nan_val = lo_ieee_nan_value ();
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55
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56 if (zero_based)
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57 for (octave_idx_type i = 0; i < a.numel (); i++)
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58 {
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59 double val = static_cast<double>
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60 (pa[i] + static_cast<octave_idx_type> (1));
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61 if (val <= 0)
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62 ptmp[i] = nan_val;
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63 else
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64 ptmp[i] = val;
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65 }
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66 else
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67 for (octave_idx_type i = 0; i < a.numel (); i++)
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68 {
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69 double val = static_cast<double> (pa[i]);
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70 if (val <= 0)
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71 ptmp[i] = nan_val;
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72 else
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73 ptmp[i] = val;
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74 }
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75 }
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76 else
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77 {
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78 if (zero_based)
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79 for (octave_idx_type i = 0; i < a.numel (); i++)
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80 ptmp[i] = static_cast<double>
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81 (pa[i] + static_cast<octave_idx_type> (1));
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82 else
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83 for (octave_idx_type i = 0; i < a.numel (); i++)
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84 ptmp[i] = static_cast<double> (pa[i]);
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85 }
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86 }
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87
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88 NDArray::NDArray (const charNDArray& a)
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89 : MArrayN<double> (a.dims ())
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90 {
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91 octave_idx_type n = a.numel ();
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92 for (octave_idx_type i = 0; i < n; i++)
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93 xelem (i) = static_cast<unsigned char> (a(i));
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94 }
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95
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96 #if defined (HAVE_FFTW)
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97
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98 ComplexNDArray
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99 NDArray::fourier (int dim) const
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100 {
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101 dim_vector dv = dims ();
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102
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103 if (dim > dv.length () || dim < 0)
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104 return ComplexNDArray ();
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105
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106 octave_idx_type stride = 1;
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107 octave_idx_type n = dv(dim);
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108
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109 for (int i = 0; i < dim; i++)
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110 stride *= dv(i);
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111
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112 octave_idx_type howmany = numel () / dv (dim);
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113 howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany));
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114 octave_idx_type nloop = (stride == 1 ? 1 : numel () / dv (dim) / stride);
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115 octave_idx_type dist = (stride == 1 ? n : 1);
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116
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117 const double *in (fortran_vec ());
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118 ComplexNDArray retval (dv);
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119 Complex *out (retval.fortran_vec ());
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120
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121 // Need to be careful here about the distance between fft's
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122 for (octave_idx_type k = 0; k < nloop; k++)
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123 octave_fftw::fft (in + k * stride * n, out + k * stride * n,
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124 n, howmany, stride, dist);
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125
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126 return retval;
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127 }
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128
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129 ComplexNDArray
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130 NDArray::ifourier (int dim) const
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131 {
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132 dim_vector dv = dims ();
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133
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134 if (dim > dv.length () || dim < 0)
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135 return ComplexNDArray ();
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136
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137 octave_idx_type stride = 1;
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138 octave_idx_type n = dv(dim);
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139
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140 for (int i = 0; i < dim; i++)
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141 stride *= dv(i);
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142
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143 octave_idx_type howmany = numel () / dv (dim);
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144 howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany));
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145 octave_idx_type nloop = (stride == 1 ? 1 : numel () / dv (dim) / stride);
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146 octave_idx_type dist = (stride == 1 ? n : 1);
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147
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148 ComplexNDArray retval (*this);
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149 Complex *out (retval.fortran_vec ());
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150
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151 // Need to be careful here about the distance between fft's
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152 for (octave_idx_type k = 0; k < nloop; k++)
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153 octave_fftw::ifft (out + k * stride * n, out + k * stride * n,
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154 n, howmany, stride, dist);
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155
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156 return retval;
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157 }
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158
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159 ComplexNDArray
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160 NDArray::fourier2d (void) const
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161 {
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162 dim_vector dv = dims();
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163 if (dv.length () < 2)
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164 return ComplexNDArray ();
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165
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166 dim_vector dv2(dv(0), dv(1));
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167 const double *in = fortran_vec ();
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168 ComplexNDArray retval (dv);
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169 Complex *out = retval.fortran_vec ();
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170 octave_idx_type howmany = numel() / dv(0) / dv(1);
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171 octave_idx_type dist = dv(0) * dv(1);
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172
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173 for (octave_idx_type i=0; i < howmany; i++)
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174 octave_fftw::fftNd (in + i*dist, out + i*dist, 2, dv2);
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175
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176 return retval;
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177 }
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178
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179 ComplexNDArray
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180 NDArray::ifourier2d (void) const
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181 {
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182 dim_vector dv = dims();
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183 if (dv.length () < 2)
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184 return ComplexNDArray ();
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185
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186 dim_vector dv2(dv(0), dv(1));
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187 ComplexNDArray retval (*this);
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188 Complex *out = retval.fortran_vec ();
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189 octave_idx_type howmany = numel() / dv(0) / dv(1);
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190 octave_idx_type dist = dv(0) * dv(1);
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191
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192 for (octave_idx_type i=0; i < howmany; i++)
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193 octave_fftw::ifftNd (out + i*dist, out + i*dist, 2, dv2);
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194
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195 return retval;
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196 }
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197
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198 ComplexNDArray
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199 NDArray::fourierNd (void) const
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200 {
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201 dim_vector dv = dims ();
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202 int rank = dv.length ();
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203
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204 const double *in (fortran_vec ());
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205 ComplexNDArray retval (dv);
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206 Complex *out (retval.fortran_vec ());
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207
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208 octave_fftw::fftNd (in, out, rank, dv);
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209
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210 return retval;
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211 }
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212
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213 ComplexNDArray
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214 NDArray::ifourierNd (void) const
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215 {
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216 dim_vector dv = dims ();
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217 int rank = dv.length ();
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218
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219 ComplexNDArray tmp (*this);
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220 Complex *in (tmp.fortran_vec ());
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221 ComplexNDArray retval (dv);
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222 Complex *out (retval.fortran_vec ());
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223
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224 octave_fftw::ifftNd (in, out, rank, dv);
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225
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226 return retval;
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227 }
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228
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229 #else
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230
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231 extern "C"
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232 {
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233 // Note that the original complex fft routines were not written for
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234 // double complex arguments. They have been modified by adding an
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235 // implicit double precision (a-h,o-z) statement at the beginning of
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236 // each subroutine.
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237
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238 F77_RET_T
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239 F77_FUNC (zffti, ZFFTI) (const octave_idx_type&, Complex*);
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240
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241 F77_RET_T
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242 F77_FUNC (zfftf, ZFFTF) (const octave_idx_type&, Complex*, Complex*);
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243
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244 F77_RET_T
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245 F77_FUNC (zfftb, ZFFTB) (const octave_idx_type&, Complex*, Complex*);
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246 }
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247
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248 ComplexNDArray
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249 NDArray::fourier (int dim) const
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250 {
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251 dim_vector dv = dims ();
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252
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253 if (dim > dv.length () || dim < 0)
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254 return ComplexNDArray ();
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255
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256 ComplexNDArray retval (dv);
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257 octave_idx_type npts = dv(dim);
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258 octave_idx_type nn = 4*npts+15;
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259 Array<Complex> wsave (nn);
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260 Complex *pwsave = wsave.fortran_vec ();
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261
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262 OCTAVE_LOCAL_BUFFER (Complex, tmp, npts);
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263
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264 octave_idx_type stride = 1;
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265
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266 for (int i = 0; i < dim; i++)
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267 stride *= dv(i);
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268
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269 octave_idx_type howmany = numel () / npts;
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270 howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany));
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271 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
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272 octave_idx_type dist = (stride == 1 ? npts : 1);
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273
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274 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
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275
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276 for (octave_idx_type k = 0; k < nloop; k++)
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277 {
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278 for (octave_idx_type j = 0; j < howmany; j++)
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279 {
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280 OCTAVE_QUIT;
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281
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282 for (octave_idx_type i = 0; i < npts; i++)
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283 tmp[i] = elem((i + k*npts)*stride + j*dist);
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284
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285 F77_FUNC (zfftf, ZFFTF) (npts, tmp, pwsave);
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286
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287 for (octave_idx_type i = 0; i < npts; i++)
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288 retval ((i + k*npts)*stride + j*dist) = tmp[i];
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289 }
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290 }
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291
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292 return retval;
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293 }
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294
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295 ComplexNDArray
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296 NDArray::ifourier (int dim) const
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297 {
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298 dim_vector dv = dims ();
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299
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300 if (dim > dv.length () || dim < 0)
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301 return ComplexNDArray ();
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302
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303 ComplexNDArray retval (dv);
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304 octave_idx_type npts = dv(dim);
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305 octave_idx_type nn = 4*npts+15;
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306 Array<Complex> wsave (nn);
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307 Complex *pwsave = wsave.fortran_vec ();
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308
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309 OCTAVE_LOCAL_BUFFER (Complex, tmp, npts);
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310
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311 octave_idx_type stride = 1;
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312
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313 for (int i = 0; i < dim; i++)
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314 stride *= dv(i);
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315
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316 octave_idx_type howmany = numel () / npts;
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317 howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany));
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318 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
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319 octave_idx_type dist = (stride == 1 ? npts : 1);
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320
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321 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
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322
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323 for (octave_idx_type k = 0; k < nloop; k++)
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324 {
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325 for (octave_idx_type j = 0; j < howmany; j++)
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326 {
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327 OCTAVE_QUIT;
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328
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329 for (octave_idx_type i = 0; i < npts; i++)
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330 tmp[i] = elem((i + k*npts)*stride + j*dist);
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331
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332 F77_FUNC (zfftb, ZFFTB) (npts, tmp, pwsave);
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333
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334 for (octave_idx_type i = 0; i < npts; i++)
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335 retval ((i + k*npts)*stride + j*dist) = tmp[i] /
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336 static_cast<double> (npts);
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337 }
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338 }
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339
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340 return retval;
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341 }
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342
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343 ComplexNDArray
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344 NDArray::fourier2d (void) const
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345 {
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346 dim_vector dv = dims();
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347 dim_vector dv2 (dv(0), dv(1));
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348 int rank = 2;
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349 ComplexNDArray retval (*this);
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350 octave_idx_type stride = 1;
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351
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352 for (int i = 0; i < rank; i++)
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353 {
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354 octave_idx_type npts = dv2(i);
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355 octave_idx_type nn = 4*npts+15;
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356 Array<Complex> wsave (nn);
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357 Complex *pwsave = wsave.fortran_vec ();
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358 Array<Complex> row (npts);
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359 Complex *prow = row.fortran_vec ();
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360
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361 octave_idx_type howmany = numel () / npts;
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362 howmany = (stride == 1 ? howmany :
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363 (howmany > stride ? stride : howmany));
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364 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
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365 octave_idx_type dist = (stride == 1 ? npts : 1);
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366
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367 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
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368
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369 for (octave_idx_type k = 0; k < nloop; k++)
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370 {
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371 for (octave_idx_type j = 0; j < howmany; j++)
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372 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
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373 OCTAVE_QUIT;
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374
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375 for (octave_idx_type l = 0; l < npts; l++)
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376 prow[l] = retval ((l + k*npts)*stride + j*dist);
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377
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378 F77_FUNC (zfftf, ZFFTF) (npts, prow, pwsave);
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379
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380 for (octave_idx_type l = 0; l < npts; l++)
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381 retval ((l + k*npts)*stride + j*dist) = prow[l];
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382 }
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383 }
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384
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385 stride *= dv2(i);
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386 }
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387
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388 return retval;
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389 }
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390
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391 ComplexNDArray
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392 NDArray::ifourier2d (void) const
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393 {
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394 dim_vector dv = dims();
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395 dim_vector dv2 (dv(0), dv(1));
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396 int rank = 2;
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397 ComplexNDArray retval (*this);
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398 octave_idx_type stride = 1;
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399
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400 for (int i = 0; i < rank; i++)
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diff changeset
401 {
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402 octave_idx_type npts = dv2(i);
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403 octave_idx_type nn = 4*npts+15;
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404 Array<Complex> wsave (nn);
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405 Complex *pwsave = wsave.fortran_vec ();
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diff changeset
406 Array<Complex> row (npts);
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diff changeset
407 Complex *prow = row.fortran_vec ();
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diff changeset
408
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409 octave_idx_type howmany = numel () / npts;
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410 howmany = (stride == 1 ? howmany :
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411 (howmany > stride ? stride : howmany));
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diff changeset
412 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
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413 octave_idx_type dist = (stride == 1 ? npts : 1);
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414
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diff changeset
415 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
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diff changeset
416
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417 for (octave_idx_type k = 0; k < nloop; k++)
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418 {
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419 for (octave_idx_type j = 0; j < howmany; j++)
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diff changeset
420 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
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diff changeset
421 OCTAVE_QUIT;
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diff changeset
422
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423 for (octave_idx_type l = 0; l < npts; l++)
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424 prow[l] = retval ((l + k*npts)*stride + j*dist);
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diff changeset
425
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David Bateman <dbateman@free.fr>
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diff changeset
426 F77_FUNC (zfftb, ZFFTB) (npts, prow, pwsave);
4773
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diff changeset
427
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428 for (octave_idx_type l = 0; l < npts; l++)
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429 retval ((l + k*npts)*stride + j*dist) = prow[l] /
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430 static_cast<double> (npts);
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diff changeset
431 }
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diff changeset
432 }
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diff changeset
433
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diff changeset
434 stride *= dv2(i);
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diff changeset
435 }
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diff changeset
436
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diff changeset
437 return retval;
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diff changeset
438 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
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diff changeset
439
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
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diff changeset
440 ComplexNDArray
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
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diff changeset
441 NDArray::fourierNd (void) const
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diff changeset
442 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
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diff changeset
443 dim_vector dv = dims ();
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diff changeset
444 int rank = dv.length ();
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445 ComplexNDArray retval (*this);
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diff changeset
446 octave_idx_type stride = 1;
4773
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diff changeset
447
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diff changeset
448 for (int i = 0; i < rank; i++)
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diff changeset
449 {
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23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
450 octave_idx_type npts = dv(i);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
451 octave_idx_type nn = 4*npts+15;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
452 Array<Complex> wsave (nn);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
453 Complex *pwsave = wsave.fortran_vec ();
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
454 Array<Complex> row (npts);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
455 Complex *prow = row.fortran_vec ();
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
456
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
457 octave_idx_type howmany = numel () / npts;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
458 howmany = (stride == 1 ? howmany :
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
459 (howmany > stride ? stride : howmany));
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
460 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
461 octave_idx_type dist = (stride == 1 ? npts : 1);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
462
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
463 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
464
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
465 for (octave_idx_type k = 0; k < nloop; k++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
466 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
467 for (octave_idx_type j = 0; j < howmany; j++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
468 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
469 OCTAVE_QUIT;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
470
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
471 for (octave_idx_type l = 0; l < npts; l++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
472 prow[l] = retval ((l + k*npts)*stride + j*dist);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
473
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
474 F77_FUNC (zfftf, ZFFTF) (npts, prow, pwsave);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
475
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
476 for (octave_idx_type l = 0; l < npts; l++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
477 retval ((l + k*npts)*stride + j*dist) = prow[l];
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
478 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
479 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
480
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
481 stride *= dv(i);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
482 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
483
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
484 return retval;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
485 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
486
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
487 ComplexNDArray
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
488 NDArray::ifourierNd (void) const
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
489 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
490 dim_vector dv = dims ();
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
491 int rank = dv.length ();
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
492 ComplexNDArray retval (*this);
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
493 octave_idx_type stride = 1;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
494
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
495 for (int i = 0; i < rank; i++)
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
496 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
497 octave_idx_type npts = dv(i);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
498 octave_idx_type nn = 4*npts+15;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
499 Array<Complex> wsave (nn);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
500 Complex *pwsave = wsave.fortran_vec ();
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
501 Array<Complex> row (npts);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
502 Complex *prow = row.fortran_vec ();
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
503
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
504 octave_idx_type howmany = numel () / npts;
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
505 howmany = (stride == 1 ? howmany :
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
506 (howmany > stride ? stride : howmany));
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
507 octave_idx_type nloop = (stride == 1 ? 1 : numel () / npts / stride);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
508 octave_idx_type dist = (stride == 1 ? npts : 1);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
509
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
510 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
511
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
512 for (octave_idx_type k = 0; k < nloop; k++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
513 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
514 for (octave_idx_type j = 0; j < howmany; j++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
515 {
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
516 OCTAVE_QUIT;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
517
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
518 for (octave_idx_type l = 0; l < npts; l++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
519 prow[l] = retval ((l + k*npts)*stride + j*dist);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
520
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
521 F77_FUNC (zfftb, ZFFTB) (npts, prow, pwsave);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
522
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
523 for (octave_idx_type l = 0; l < npts; l++)
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
524 retval ((l + k*npts)*stride + j*dist) = prow[l] /
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
525 static_cast<double> (npts);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
526 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
527 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
528
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
529 stride *= dv(i);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
530 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
531
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
532 return retval;
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
533 }
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
534
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
535 #endif
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4770
diff changeset
536
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4532
diff changeset
537 // unary operations
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4532
diff changeset
538
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4532
diff changeset
539 boolNDArray
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4532
diff changeset
540 NDArray::operator ! (void) const
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4532
diff changeset
541 {
9553
0c72d9284087 further bool ops tweaks
Jaroslav Hajek <highegg@gmail.com>
parents: 9551
diff changeset
542 return do_mx_unary_op<boolNDArray, NDArray> (*this, mx_inline_not);
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4532
diff changeset
543 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4532
diff changeset
544
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
545 bool
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
546 NDArray::any_element_is_negative (bool neg_zero) const
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
547 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
548 octave_idx_type nel = nelem ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
549
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
550 if (neg_zero)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
551 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
552 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
553 if (lo_ieee_signbit (elem (i)))
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
554 return true;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
555 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
556 else
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
557 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
558 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
559 if (elem (i) < 0)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
560 return true;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
561 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
562
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
563 return false;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
564 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
565
7922
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
566 bool
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
567 NDArray::any_element_is_nan (void) const
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
568 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
569 octave_idx_type nel = nelem ();
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
570
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
571 for (octave_idx_type i = 0; i < nel; i++)
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
572 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
573 double val = elem (i);
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
574 if (xisnan (val))
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
575 return true;
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
576 }
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
577
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
578 return false;
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7919
diff changeset
579 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
580
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
581 bool
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
582 NDArray::any_element_is_inf_or_nan (void) const
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
583 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
584 octave_idx_type nel = nelem ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
585
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
586 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
587 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
588 double val = elem (i);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
589 if (xisinf (val) || xisnan (val))
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
590 return true;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
591 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
592
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
593 return false;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
594 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
595
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
596 bool
5943
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
597 NDArray::any_element_not_one_or_zero (void) const
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
598 {
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
599 octave_idx_type nel = nelem ();
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
600
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
601 for (octave_idx_type i = 0; i < nel; i++)
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
602 {
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
603 double val = elem (i);
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
604 if (val != 0 && val != 1)
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
605 return true;
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
606 }
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
607
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
608 return false;
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
609 }
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
610
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5775
diff changeset
611 bool
6989
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
612 NDArray::all_elements_are_zero (void) const
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
613 {
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
614 octave_idx_type nel = nelem ();
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
615
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
616 for (octave_idx_type i = 0; i < nel; i++)
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
617 if (elem (i) != 0)
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
618 return false;
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
619
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
620 return true;
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
621 }
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
622
2d326000e09b [project @ 2007-10-09 20:32:42 by jwe]
jwe
parents: 5943
diff changeset
623 bool
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
624 NDArray::all_elements_are_int_or_inf_or_nan (void) const
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
625 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
626 octave_idx_type nel = nelem ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
627
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
628 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
629 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
630 double val = elem (i);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
631 if (xisnan (val) || D_NINT (val) == val)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
632 continue;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
633 else
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
634 return false;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
635 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
636
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
637 return true;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
638 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
639
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
640 // Return nonzero if any element of M is not an integer. Also extract
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
641 // the largest and smallest values and return them in MAX_VAL and MIN_VAL.
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
642
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
643 bool
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
644 NDArray::all_integers (double& max_val, double& min_val) const
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
645 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
646 octave_idx_type nel = nelem ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
647
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
648 if (nel > 0)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
649 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
650 max_val = elem (0);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
651 min_val = elem (0);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
652 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
653 else
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
654 return false;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
655
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
656 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
657 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
658 double val = elem (i);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
659
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
660 if (val > max_val)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
661 max_val = val;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
662
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
663 if (val < min_val)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
664 min_val = val;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
665
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
666 if (D_NINT (val) != val)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
667 return false;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
668 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
669
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
670 return true;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
671 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
672
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
673 bool
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
674 NDArray::too_large_for_float (void) const
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
675 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
676 octave_idx_type nel = nelem ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
677
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
678 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
679 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
680 double val = elem (i);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
681
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
682 if (! (xisnan (val) || xisinf (val))
5387
5b00a8beb504 [project @ 2005-06-14 17:13:45 by jwe]
jwe
parents: 5307
diff changeset
683 && fabs (val) > FLT_MAX)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
684 return true;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
685 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
686
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
687 return false;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
688 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
689
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5389
diff changeset
690 // FIXME -- this is not quite the right thing.
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4511
diff changeset
691
4556
773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe]
jwe
parents: 4543
diff changeset
692 boolNDArray
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4511
diff changeset
693 NDArray::all (int dim) const
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4511
diff changeset
694 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
695 return do_mx_red_op<boolNDArray, double> (*this, dim, mx_inline_all);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4511
diff changeset
696 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4511
diff changeset
697
4556
773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe]
jwe
parents: 4543
diff changeset
698 boolNDArray
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4511
diff changeset
699 NDArray::any (int dim) const
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4511
diff changeset
700 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
701 return do_mx_red_op<boolNDArray, double> (*this, dim, mx_inline_any);
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
702 }
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
703
4584
f7697d703481 [project @ 2003-10-31 19:47:35 by jwe]
jwe
parents: 4569
diff changeset
704 NDArray
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
705 NDArray::cumprod (int dim) const
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
706 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
707 return do_mx_cum_op<NDArray, double> (*this, dim, mx_inline_cumprod);
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
708 }
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
709
4584
f7697d703481 [project @ 2003-10-31 19:47:35 by jwe]
jwe
parents: 4569
diff changeset
710 NDArray
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
711 NDArray::cumsum (int dim) const
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
712 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
713 return do_mx_cum_op<NDArray, double> (*this, dim, mx_inline_cumsum);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4511
diff changeset
714 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4511
diff changeset
715
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
716 NDArray
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
717 NDArray::prod (int dim) const
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
718 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
719 return do_mx_red_op<NDArray, double> (*this, dim, mx_inline_prod);
8736
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
720 }
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
721
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
722 NDArray
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
723 NDArray::sum (int dim) const
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
724 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
725 return do_mx_red_op<NDArray, double> (*this, dim, mx_inline_sum);
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
726 }
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
727
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
728 NDArray
9721
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
729 NDArray::xsum (int dim) const
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
730 {
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
731 return do_mx_red_op<NDArray, double> (*this, dim, mx_inline_xsum);
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
732 }
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
733
192d94cff6c1 improve sum & implement the 'extra' option, refactor some code
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
734 NDArray
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
735 NDArray::sumsq (int dim) const
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
736 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
737 return do_mx_red_op<NDArray, double> (*this, dim, mx_inline_sumsq);
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
738 }
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
739
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
740 NDArray
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
741 NDArray::max (int dim) const
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
742 {
8751
9f7ce4bf7650 optimize min/max functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8743
diff changeset
743 return do_mx_minmax_op<NDArray> (*this, dim, mx_inline_max);
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
744 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
745
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
746 NDArray
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9721
diff changeset
747 NDArray::max (Array<octave_idx_type>& idx_arg, int dim) const
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
748 {
8751
9f7ce4bf7650 optimize min/max functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8743
diff changeset
749 return do_mx_minmax_op<NDArray> (*this, idx_arg, dim, mx_inline_max);
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
750 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
751
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
752 NDArray
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
753 NDArray::min (int dim) const
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
754 {
8751
9f7ce4bf7650 optimize min/max functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8743
diff changeset
755 return do_mx_minmax_op<NDArray> (*this, dim, mx_inline_min);
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
756 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
757
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
758 NDArray
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9721
diff changeset
759 NDArray::min (Array<octave_idx_type>& idx_arg, int dim) const
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
760 {
8751
9f7ce4bf7650 optimize min/max functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8743
diff changeset
761 return do_mx_minmax_op<NDArray> (*this, idx_arg, dim, mx_inline_min);
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
762 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
763
4915
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
764 NDArray
8777
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
765 NDArray::cummax (int dim) const
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
766 {
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
767 return do_mx_cumminmax_op<NDArray> (*this, dim, mx_inline_cummax);
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
768 }
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
769
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
770 NDArray
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9721
diff changeset
771 NDArray::cummax (Array<octave_idx_type>& idx_arg, int dim) const
8777
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
772 {
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
773 return do_mx_cumminmax_op<NDArray> (*this, idx_arg, dim, mx_inline_cummax);
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
774 }
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
775
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
776 NDArray
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
777 NDArray::cummin (int dim) const
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
778 {
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
779 return do_mx_cumminmax_op<NDArray> (*this, dim, mx_inline_cummin);
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
780 }
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
781
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
782 NDArray
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9721
diff changeset
783 NDArray::cummin (Array<octave_idx_type>& idx_arg, int dim) const
8777
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
784 {
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
785 return do_mx_cumminmax_op<NDArray> (*this, idx_arg, dim, mx_inline_cummin);
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
786 }
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
787
724c0f46d9d4 implement cummin/cummax functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8774
diff changeset
788 NDArray
9513
9f870f73ab7d implement built-in diff
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
789 NDArray::diff (octave_idx_type order, int dim) const
9f870f73ab7d implement built-in diff
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
790 {
9f870f73ab7d implement built-in diff
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
791 return do_mx_diff_op<NDArray> (*this, dim, order, mx_inline_diff);
9f870f73ab7d implement built-in diff
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
792 }
9f870f73ab7d implement built-in diff
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
793
9f870f73ab7d implement built-in diff
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
794 NDArray
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
795 NDArray::concat (const NDArray& rb, const Array<octave_idx_type>& ra_idx)
4758
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe]
jwe
parents: 4687
diff changeset
796 {
5073
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
797 if (rb.numel () > 0)
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
798 insert (rb, ra_idx);
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
799 return *this;
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
800 }
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
801
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
802 ComplexNDArray
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
803 NDArray::concat (const ComplexNDArray& rb, const Array<octave_idx_type>& ra_idx)
5073
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
804 {
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
805 ComplexNDArray retval (*this);
4940
954cc2ba6a49 [project @ 2004-08-24 19:30:31 by jwe]
jwe
parents: 4915
diff changeset
806 if (rb.numel () > 0)
4915
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
807 retval.insert (rb, ra_idx);
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
808 return retval;
4758
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe]
jwe
parents: 4687
diff changeset
809 }
a308566c8b42 [project @ 2004-02-13 23:01:34 by jwe]
jwe
parents: 4687
diff changeset
810
5073
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
811 charNDArray
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
812 NDArray::concat (const charNDArray& rb, const Array<octave_idx_type>& ra_idx)
5073
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
813 {
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
814 charNDArray retval (dims ());
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
815 octave_idx_type nel = numel ();
5073
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
816
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
817 for (octave_idx_type i = 0; i < nel; i++)
5073
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
818 {
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
819 double d = elem (i);
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
820
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
821 if (xisnan (d))
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
822 {
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
823 (*current_liboctave_error_handler)
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
824 ("invalid conversion from NaN to character");
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
825 return retval;
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
826 }
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
827 else
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
828 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
829 octave_idx_type ival = NINTbig (d);
5073
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
830
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
831 if (ival < 0 || ival > UCHAR_MAX)
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5389
diff changeset
832 // FIXME -- is there something
5073
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
833 // better we could do? Should we warn the user?
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
834 ival = 0;
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
835
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
836 retval.elem (i) = static_cast<char>(ival);
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
837 }
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
838 }
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
839
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
840 if (rb.numel () == 0)
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
841 return retval;
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
842
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
843 retval.insert (rb, ra_idx);
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
844 return retval;
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
845 }
e71be9c548f2 [project @ 2004-11-09 18:31:25 by jwe]
jwe
parents: 4940
diff changeset
846
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
847 NDArray
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
848 real (const ComplexNDArray& a)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
849 {
8650
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8377
diff changeset
850 return NDArray (mx_inline_real_dup (a.data (), a.length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8377
diff changeset
851 a.dims ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
852 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
853
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
854 NDArray
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
855 imag (const ComplexNDArray& a)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
856 {
8650
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8377
diff changeset
857 return NDArray (mx_inline_imag_dup (a.data (), a.length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8377
diff changeset
858 a.dims ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
859 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
860
4915
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
861 NDArray&
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
862 NDArray::insert (const NDArray& a, octave_idx_type r, octave_idx_type c)
4915
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
863 {
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
864 Array<double>::insert (a, r, c);
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
865 return *this;
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
866 }
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
867
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
868 NDArray&
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
869 NDArray::insert (const NDArray& a, const Array<octave_idx_type>& ra_idx)
4915
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
870 {
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
871 Array<double>::insert (a, ra_idx);
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
872 return *this;
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
873 }
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe]
jwe
parents: 4902
diff changeset
874
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4588
diff changeset
875 NDArray
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
876 NDArray::abs (void) const
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
877 {
8650
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8377
diff changeset
878 return NDArray (mx_inline_fabs_dup (data (), length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8377
diff changeset
879 dims ());
4569
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
880 }
01e4957409a4 [project @ 2003-10-30 05:48:17 by jwe]
jwe
parents: 4563
diff changeset
881
8998
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
882 boolNDArray
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
883 NDArray::isnan (void) const
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
884 {
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9721
diff changeset
885 return Array<bool> (fastmap<bool> (xisnan));
8998
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
886 }
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
887
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
888 boolNDArray
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
889 NDArray::isinf (void) const
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
890 {
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9721
diff changeset
891 return Array<bool> (fastmap<bool> (xisinf));
8998
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
892 }
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
893
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
894 boolNDArray
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
895 NDArray::isfinite (void) const
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
896 {
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9721
diff changeset
897 return Array<bool> (fastmap<bool> (xfinite));
8998
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
898 }
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8981
diff changeset
899
4532
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
900 Matrix
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
901 NDArray::matrix_value (void) const
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
902 {
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
903 Matrix retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
904
8981
ed5055b0a476 fix & simplify ndarray->matrix conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8956
diff changeset
905 if (ndims () == 2)
ed5055b0a476 fix & simplify ndarray->matrix conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8956
diff changeset
906 retval = Matrix (Array2<double> (*this));
ed5055b0a476 fix & simplify ndarray->matrix conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8956
diff changeset
907 else
ed5055b0a476 fix & simplify ndarray->matrix conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8956
diff changeset
908 (*current_liboctave_error_handler)
ed5055b0a476 fix & simplify ndarray->matrix conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8956
diff changeset
909 ("invalid conversion of NDArray to Matrix");
4532
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
910
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
911 return retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
912 }
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
913
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
914 void
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
915 NDArray::increment_index (Array<octave_idx_type>& ra_idx,
4532
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
916 const dim_vector& dimensions,
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
917 int start_dimension)
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
918 {
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
919 ::increment_index (ra_idx, dimensions, start_dimension);
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
920 }
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4513
diff changeset
921
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
922 octave_idx_type
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
923 NDArray::compute_index (Array<octave_idx_type>& ra_idx,
4556
773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe]
jwe
parents: 4543
diff changeset
924 const dim_vector& dimensions)
773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe]
jwe
parents: 4543
diff changeset
925 {
773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe]
jwe
parents: 4543
diff changeset
926 return ::compute_index (ra_idx, dimensions);
773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe]
jwe
parents: 4543
diff changeset
927 }
773a21e4fce8 [project @ 2003-10-28 05:02:10 by jwe]
jwe
parents: 4543
diff changeset
928
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
929 NDArray
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7600
diff changeset
930 NDArray::diag (octave_idx_type k) const
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7600
diff changeset
931 {
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7600
diff changeset
932 return MArrayN<double>::diag (k);
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7600
diff changeset
933 }
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7600
diff changeset
934
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7600
diff changeset
935 NDArray
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
936 NDArray::map (dmapper fcn) const
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
937 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
938 return MArrayN<double>::map<double> (func_ptr (fcn));
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
939 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
940
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
941 ComplexNDArray
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
942 NDArray::map (cmapper fcn) const
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
943 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
944 return MArrayN<double>::map<Complex> (func_ptr (fcn));
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
945 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
946
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
947 boolNDArray
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
948 NDArray::map (bmapper fcn) const
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
949 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
950 return MArrayN<double>::map<bool> (func_ptr (fcn));
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
951 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7017
diff changeset
952
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
953 // This contains no information on the array structure !!!
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
954 std::ostream&
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
955 operator << (std::ostream& os, const NDArray& a)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
956 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
957 octave_idx_type nel = a.nelem ();
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
958
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
959 for (octave_idx_type i = 0; i < nel; i++)
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
960 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
961 os << " ";
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
962 octave_write_double (os, a.elem (i));
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
963 os << "\n";
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
964 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
965 return os;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
966 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
967
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
968 std::istream&
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
969 operator >> (std::istream& is, NDArray& a)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
970 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
971 octave_idx_type nel = a.nelem ();
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
972
8999
dc07bc4157b8 allow empty matrices in stream input operators
Jaroslav Hajek <highegg@gmail.com>
parents: 8998
diff changeset
973 if (nel > 0)
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
974 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
975 double tmp;
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
976 for (octave_idx_type i = 0; i < nel; i++)
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
977 {
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 9227
diff changeset
978 tmp = octave_read_value<double> (is);
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
979 if (is)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
980 a.elem (i) = tmp;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
981 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
982 goto done;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
983 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
984 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
985
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
986 done:
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
987
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
988 return is;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
989 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
990
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5389
diff changeset
991 // FIXME -- it would be nice to share code among the min/max
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
992 // functions below.
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
993
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
994 #define EMPTY_RETURN_CHECK(T) \
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
995 if (nel == 0) \
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
996 return T (dv);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
997
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
998 NDArray
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
999 min (double d, const NDArray& m)
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1000 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1001 dim_vector dv = m.dims ();
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
1002 octave_idx_type nel = dv.numel ();
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1003
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1004 EMPTY_RETURN_CHECK (NDArray);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1005
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1006 NDArray result (dv);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1007
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
1008 for (octave_idx_type i = 0; i < nel; i++)
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1009 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1010 OCTAVE_QUIT;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1011 result (i) = xmin (d, m (i));
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1012 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1013
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1014 return result;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1015 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1016
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1017 NDArray
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1018 min (const NDArray& m, double d)
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1019 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1020 dim_vector dv = m.dims ();
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
1021 octave_idx_type nel = dv.numel ();
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1022
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1023 EMPTY_RETURN_CHECK (NDArray);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1024
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1025 NDArray result (dv);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1026
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
1027 for (octave_idx_type i = 0; i < nel; i++)
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1028 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1029 OCTAVE_QUIT;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1030 result (i) = xmin (d, m (i));
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1031 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1032
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1033 return result;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1034 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1035
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1036 NDArray
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1037 min (const NDArray& a, const NDArray& b)
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1038 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1039 dim_vector dv = a.dims ();
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
1040 octave_idx_type nel = dv.numel ();
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1041
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1042 if (dv != b.dims ())
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1043 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1044 (*current_liboctave_error_handler)
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1045 ("two-arg min expecting args of same size");
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1046 return NDArray ();
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1047 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1048
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1049 EMPTY_RETURN_CHECK (NDArray);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1050
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1051 NDArray result (dv);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1052
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
1053 for (octave_idx_type i = 0; i < nel; i++)
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1054 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1055 OCTAVE_QUIT;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1056 result (i) = xmin (a (i), b (i));
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1057 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1058
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1059 return result;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1060 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1061
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1062 NDArray
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1063 max (double d, const NDArray& m)
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parents: 4816
diff changeset
1064 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
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parents: 4816
diff changeset
1065 dim_vector dv = m.dims ();
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5164
diff changeset
1066 octave_idx_type nel = dv.numel ();
4844
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parents: 4816
diff changeset
1067
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jwe
parents: 4816
diff changeset
1068 EMPTY_RETURN_CHECK (NDArray);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1069
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
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diff changeset
1070 NDArray result (dv);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
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parents: 4816
diff changeset
1071
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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diff changeset
1072 for (octave_idx_type i = 0; i < nel; i++)
4844
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
jwe
parents: 4816
diff changeset
1073 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
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diff changeset
1074 OCTAVE_QUIT;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
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parents: 4816
diff changeset
1075 result (i) = xmax (d, m (i));
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
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diff changeset
1076 }
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diff changeset
1077
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diff changeset
1078 return result;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe]
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diff changeset
1079 }
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diff changeset
1080
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diff changeset
1081 NDArray
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diff changeset
1082 max (const NDArray& m, double d)
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diff changeset
1083 {
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diff changeset
1084 dim_vector dv = m.dims ();
5275
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diff changeset
1085 octave_idx_type nel = dv.numel ();
4844
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diff changeset
1086
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diff changeset
1087 EMPTY_RETURN_CHECK (NDArray);
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diff changeset
1088
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diff changeset
1089 NDArray result (dv);
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diff changeset
1090
5275
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diff changeset
1091 for (octave_idx_type i = 0; i < nel; i++)
4844
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diff changeset
1092 {
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diff changeset
1093 OCTAVE_QUIT;
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diff changeset
1094 result (i) = xmax (d, m (i));
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diff changeset
1095 }
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diff changeset
1096
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diff changeset
1097 return result;
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diff changeset
1098 }
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diff changeset
1099
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diff changeset
1100 NDArray
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diff changeset
1101 max (const NDArray& a, const NDArray& b)
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diff changeset
1102 {
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diff changeset
1103 dim_vector dv = a.dims ();
5275
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diff changeset
1104 octave_idx_type nel = dv.numel ();
4844
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diff changeset
1105
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diff changeset
1106 if (dv != b.dims ())
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diff changeset
1107 {
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diff changeset
1108 (*current_liboctave_error_handler)
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diff changeset
1109 ("two-arg max expecting args of same size");
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diff changeset
1110 return NDArray ();
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diff changeset
1111 }
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diff changeset
1112
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diff changeset
1113 EMPTY_RETURN_CHECK (NDArray);
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diff changeset
1114
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diff changeset
1115 NDArray result (dv);
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diff changeset
1116
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diff changeset
1117 for (octave_idx_type i = 0; i < nel; i++)
4844
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diff changeset
1118 {
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diff changeset
1119 OCTAVE_QUIT;
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diff changeset
1120 result (i) = xmax (a (i), b (i));
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diff changeset
1121 }
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diff changeset
1122
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diff changeset
1123 return result;
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diff changeset
1124 }
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diff changeset
1125
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
1126 NDS_CMP_OPS (NDArray, double)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
1127 NDS_BOOL_OPS (NDArray, double)
4543
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diff changeset
1128
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
1129 SND_CMP_OPS (double, NDArray)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
1130 SND_BOOL_OPS (double, NDArray)
4543
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diff changeset
1131
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
1132 NDND_CMP_OPS (NDArray, NDArray)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
1133 NDND_BOOL_OPS (NDArray, NDArray)
4543
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diff changeset
1134
4513
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diff changeset
1135 /*
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diff changeset
1136 ;;; Local Variables: ***
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diff changeset
1137 ;;; mode: C++ ***
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diff changeset
1138 ;;; End: ***
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diff changeset
1139 */