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annotate src/DLD-FUNCTIONS/dot.cc @ 12520:ad05e1547398

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Add function chop to documentation.
author Rik <octave@nomad.inbox5.com>
date Fri, 18 Mar 2011 18:51:45 -0700
parents 12df7854fa7c
children dffd30f12752
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1 /*
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2
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3 Copyright (C) 2009-2011 VZLU Prague
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include "f77-fcn.h"
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28 #include "mx-base.h"
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29 #include "error.h"
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30 #include "defun-dld.h"
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31 #include "parse.h"
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32
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33 extern "C"
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34 {
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35 F77_RET_T
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36 F77_FUNC (ddot3, DDOT3) (const octave_idx_type&, const octave_idx_type&,
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37 const octave_idx_type&, const double*,
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38 const double*, double*);
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39
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40 F77_RET_T
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41 F77_FUNC (sdot3, SDOT3) (const octave_idx_type&, const octave_idx_type&,
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42 const octave_idx_type&, const float*,
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43 const float*, float*);
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44
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45 F77_RET_T
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46 F77_FUNC (zdotc3, ZDOTC3) (const octave_idx_type&, const octave_idx_type&,
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47 const octave_idx_type&, const Complex*,
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48 const Complex*, Complex*);
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49
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50 F77_RET_T
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51 F77_FUNC (cdotc3, CDOTC3) (const octave_idx_type&, const octave_idx_type&,
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52 const octave_idx_type&, const FloatComplex*,
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53 const FloatComplex*, FloatComplex*);
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54
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55 F77_RET_T
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56 F77_FUNC (dmatm3, DMATM3) (const octave_idx_type&, const octave_idx_type&,
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57 const octave_idx_type&, const octave_idx_type&,
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58 const double*, const double*, double*);
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59
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60 F77_RET_T
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61 F77_FUNC (smatm3, SMATM3) (const octave_idx_type&, const octave_idx_type&,
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62 const octave_idx_type&, const octave_idx_type&,
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63 const float*, const float*, float*);
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64
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65 F77_RET_T
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66 F77_FUNC (zmatm3, ZMATM3) (const octave_idx_type&, const octave_idx_type&,
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67 const octave_idx_type&, const octave_idx_type&,
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68 const Complex*, const Complex*, Complex*);
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69
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70 F77_RET_T
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71 F77_FUNC (cmatm3, CMATM3) (const octave_idx_type&, const octave_idx_type&,
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72 const octave_idx_type&, const octave_idx_type&,
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73 const FloatComplex*, const FloatComplex*,
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74 FloatComplex*);
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75 }
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76
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77 static void
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78 get_red_dims (const dim_vector& x, const dim_vector& y, int dim,
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79 dim_vector& z, octave_idx_type& m, octave_idx_type& n,
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80 octave_idx_type& k)
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81 {
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82 int nd = x.length ();
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83 assert (nd == y.length ());
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84 z = dim_vector::alloc (nd);
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85 m = 1, n = 1, k = 1;
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86 for (int i = 0; i < nd; i++)
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87 {
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88 if (i < dim)
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89 {
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90 z(i) = x(i);
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91 m *= x(i);
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92 }
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93 else if (i > dim)
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94 {
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95 z(i) = x(i);
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96 n *= x(i);
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97 }
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98 else
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99 {
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100 k = x(i);
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101 z(i) = 1;
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102 }
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103 }
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104 }
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105
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106 DEFUN_DLD (dot, args, ,
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107 "-*- texinfo -*-\n\
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108 @deftypefn {Loadable Function} {} dot (@var{x}, @var{y}, @var{dim})\n\
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109 Compute the dot product of two vectors. If @var{x} and @var{y}\n\
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110 are matrices, calculate the dot products along the first \n\
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111 non-singleton dimension. If the optional argument @var{dim} is\n\
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112 given, calculate the dot products along this dimension.\n\
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113 \n\
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114 This is equivalent to\n\
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115 @code{sum (conj (@var{X}) .* @var{Y}, @var{dim})},\n\
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116 but avoids forming a temporary array and is faster. When @var{X} and\n\
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117 @var{Y} are column vectors, the result is equivalent to\n\
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118 @code{@var{X}' * @var{Y}}.\n\
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119 @seealso{cross, divergence}\n\
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120 @end deftypefn")
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121 {
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122 octave_value retval;
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123 int nargin = args.length ();
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124
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125 if (nargin < 2 || nargin > 3)
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126 {
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127 print_usage ();
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128 return retval;
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129 }
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130
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131 octave_value argx = args(0), argy = args(1);
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132
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133 if (argx.is_numeric_type () && argy.is_numeric_type ())
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134 {
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135 dim_vector dimx = argx.dims (), dimy = argy.dims ();
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136 bool match = dimx == dimy;
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137 if (! match && nargin == 2
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138 && dimx.is_vector () && dimy.is_vector ())
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139 {
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140 // Change to column vectors.
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141 dimx = dimx.redim (1);
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142 argx = argx.reshape (dimx);
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143 dimy = dimy.redim (1);
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144 argy = argy.reshape (dimy);
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145 match = ! error_state;
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146 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
147
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
148 if (match)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
149 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
150 int dim;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
151 if (nargin == 2)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
152 dim = dimx.first_non_singleton ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
153 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
154 dim = args(2).int_value (true) - 1;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
155
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
156 if (error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
157 ;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
158 else if (dim < 0)
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
159 error ("dot: DIM must be a valid dimension");
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
160 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
161 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
162 octave_idx_type m, n, k;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
163 dim_vector dimz;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
164 if (argx.is_complex_type () || argy.is_complex_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
165 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
166 if (argx.is_single_type () || argy.is_single_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
167 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
168 FloatComplexNDArray x = argx.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
169 FloatComplexNDArray y = argy.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
170 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
171 FloatComplexNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
172 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
173 F77_XFCN (cdotc3, CDOTC3, (m, n, k, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
174 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
175 retval = z;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
176 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
177 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
178 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
179 ComplexNDArray x = argx.complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
180 ComplexNDArray y = argy.complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
181 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
182 ComplexNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
183 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
184 F77_XFCN (zdotc3, ZDOTC3, (m, n, k, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
185 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
186 retval = z;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
187 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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188 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
189 else if (argx.is_float_type () && argy.is_float_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
190 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
191 if (argx.is_single_type () || argy.is_single_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
192 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
193 FloatNDArray x = argx.float_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
194 FloatNDArray y = argy.float_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
195 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
196 FloatNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
197 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
198 F77_XFCN (sdot3, SDOT3, (m, n, k, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
199 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
200 retval = z;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
201 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
202 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
203 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
204 NDArray x = argx.array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
205 NDArray y = argy.array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
206 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
207 NDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
208 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
209 F77_XFCN (ddot3, DDOT3, (m, n, k, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
210 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
211 retval = z;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
212 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
213 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
214 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
215 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
216 // Non-optimized evaluation.
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
217 octave_value_list tmp;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
218 tmp(1) = args(2);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
219 tmp(0) = do_binary_op (octave_value::op_el_mul, argx, argy);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
220 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
221 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
222 tmp = feval ("sum", tmp, 1);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
223 if (! tmp.empty ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
224 retval = tmp(0);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
225 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
226 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
227 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
228 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
229 else
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
230 error ("dot: sizes of X and Y must match");
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
231
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
232 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
233 else
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
234 error ("dot: X and Y must be numeric");
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
235
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
236 return retval;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
237 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
238
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
239 /*
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
240
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
241 */
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
242
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
243 DEFUN_DLD (blkmm, args, ,
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
244 "-*- texinfo -*-\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
245 @deftypefn {Loadable Function} {} blkmm (@var{x}, @var{y})\n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
246 Compute products of matrix blocks. The blocks are given as\n\
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
247 2-dimensional subarrays of the arrays @var{x}, @var{y}.\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
248 The size of @var{x} must have the form @code{[m,k,@dots{}]} and\n\
10711
fbd7843974fa Periodic grammar check of documentation files to ensure common format.
Rik <octave@nomad.inbox5.com>
parents: 10155
diff changeset
249 size of @var{y} must be @code{[k,n,@dots{}]}. The result is\n\
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
250 then of size @code{[m,n,@dots{}]} and is computed as follows:\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
251 \n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
252 @example\n\
10711
fbd7843974fa Periodic grammar check of documentation files to ensure common format.
Rik <octave@nomad.inbox5.com>
parents: 10155
diff changeset
253 @group\n\
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
254 for i = 1:prod (size (@var{x})(3:end))\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
255 @var{z}(:,:,i) = @var{x}(:,:,i) * @var{y}(:,:,i)\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
256 endfor\n\
10711
fbd7843974fa Periodic grammar check of documentation files to ensure common format.
Rik <octave@nomad.inbox5.com>
parents: 10155
diff changeset
257 @end group\n\
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
258 @end example\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
259 @end deftypefn")
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
260 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
261 octave_value retval;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
262 int nargin = args.length ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
263
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
264 if (nargin != 2)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
265 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
266 print_usage ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
267 return retval;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
268 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
269
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
270 octave_value argx = args(0), argy = args(1);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
271
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
272 if (argx.is_numeric_type () && argy.is_numeric_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
273 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
274 const dim_vector dimx = argx.dims (), dimy = argy.dims ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
275 int nd = dimx.length ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
276 octave_idx_type m = dimx(0), k = dimx(1), n = dimy(1), np = 1;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
277 bool match = dimy(0) == k && nd == dimy.length ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
278 dim_vector dimz = dim_vector::alloc (nd);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
279 dimz(0) = m;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
280 dimz(1) = n;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
281 for (int i = 2; match && i < nd; i++)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
282 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
283 match = match && dimx(i) == dimy(i);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
284 dimz(i) = dimx(i);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
285 np *= dimz(i);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
286 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
287
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
288 if (match)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
289 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
290 if (argx.is_complex_type () || argy.is_complex_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
291 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
292 if (argx.is_single_type () || argy.is_single_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
293 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
294 FloatComplexNDArray x = argx.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
295 FloatComplexNDArray y = argy.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
296 FloatComplexNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
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297 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
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298 F77_XFCN (cmatm3, CMATM3, (m, n, k, np, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
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299 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
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300 retval = z;
90bc0cc4518f implement compiled dot and blkmm
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301 }
90bc0cc4518f implement compiled dot and blkmm
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parents:
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302 else
90bc0cc4518f implement compiled dot and blkmm
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parents:
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303 {
90bc0cc4518f implement compiled dot and blkmm
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304 ComplexNDArray x = argx.complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
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305 ComplexNDArray y = argy.complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
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306 ComplexNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
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307 if (! error_state)
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308 F77_XFCN (zmatm3, ZMATM3, (m, n, k, np, x.data (), y.data (),
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309 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
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310 retval = z;
90bc0cc4518f implement compiled dot and blkmm
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311 }
90bc0cc4518f implement compiled dot and blkmm
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312 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
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313 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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314 {
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315 if (argx.is_single_type () || argy.is_single_type ())
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316 {
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317 FloatNDArray x = argx.float_array_value ();
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318 FloatNDArray y = argy.float_array_value ();
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319 FloatNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
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320 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
321 F77_XFCN (smatm3, SMATM3, (m, n, k, np, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
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322 z.fortran_vec ()));
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323 retval = z;
90bc0cc4518f implement compiled dot and blkmm
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324 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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325 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
326 {
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327 NDArray x = argx.array_value ();
90bc0cc4518f implement compiled dot and blkmm
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328 NDArray y = argy.array_value ();
90bc0cc4518f implement compiled dot and blkmm
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329 NDArray z(dimz);
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330 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
331 F77_XFCN (dmatm3, DMATM3, (m, n, k, np, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
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parents:
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332 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
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333 retval = z;
90bc0cc4518f implement compiled dot and blkmm
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334 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
335 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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336 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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337 else
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
338 error ("blkmm: X and Y dimensions don't match: (%s) and (%s)",
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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339 dimx.str ().c_str (), dimy.str ().c_str ());
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
340
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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341 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
342 else
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
343 error ("blkmm: X and Y must be numeric");
9874
90bc0cc4518f implement compiled dot and blkmm
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parents:
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344
90bc0cc4518f implement compiled dot and blkmm
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345 return retval;
90bc0cc4518f implement compiled dot and blkmm
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parents:
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346 }