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annotate libinterp/corefcn/dot.cc @ 15239:a38d5ed5b3d8

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dot.cc: Segfault with integers (bug #37199)
author Max Brister <max@2bass.com>
date Sun, 26 Aug 2012 20:06:19 -0600
parents 2fc554ffbc28
children d63878346099
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1 /*
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2
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3 Copyright (C) 2009-2012 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.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 (dot, args, ,
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107 "-*- texinfo -*-\n\
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108 @deftypefn {Built-in 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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Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
145 match = ! error_state;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
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
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parents:
diff changeset
149 {
90bc0cc4518f implement compiled dot and blkmm
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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>
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152 dim = dimx.first_non_singleton ();
90bc0cc4518f implement compiled dot and blkmm
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parents:
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153 else
90bc0cc4518f implement compiled dot and blkmm
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parents:
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154 dim = args(2).int_value (true) - 1;
90bc0cc4518f implement compiled dot and blkmm
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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
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parents:
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157 ;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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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
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160 else
90bc0cc4518f implement compiled dot and blkmm
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parents:
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161 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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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
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164 if (argx.is_complex_type () || argy.is_complex_type ())
90bc0cc4518f implement compiled dot and blkmm
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165 {
90bc0cc4518f implement compiled dot and blkmm
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parents:
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166 if (argx.is_single_type () || argy.is_single_type ())
90bc0cc4518f implement compiled dot and blkmm
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parents:
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167 {
90bc0cc4518f implement compiled dot and blkmm
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parents:
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168 FloatComplexNDArray x = argx.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
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parents:
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169 FloatComplexNDArray y = argy.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
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170 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
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171 FloatComplexNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
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parents:
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172 if (! error_state)
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diff changeset
173 F77_XFCN (cdotc3, CDOTC3, (m, n, k, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
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parents:
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174 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
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175 retval = z;
90bc0cc4518f implement compiled dot and blkmm
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176 }
90bc0cc4518f implement compiled dot and blkmm
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parents:
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177 else
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178 {
90bc0cc4518f implement compiled dot and blkmm
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179 ComplexNDArray x = argx.complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
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180 ComplexNDArray y = argy.complex_array_value ();
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181 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
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182 ComplexNDArray z(dimz);
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183 if (! error_state)
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184 F77_XFCN (zdotc3, ZDOTC3, (m, n, k, x.data (), y.data (),
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185 z.fortran_vec ()));
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186 retval = z;
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187 }
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188 }
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189 else if (argx.is_float_type () && argy.is_float_type ())
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190 {
90bc0cc4518f implement compiled dot and blkmm
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191 if (argx.is_single_type () || argy.is_single_type ())
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192 {
90bc0cc4518f implement compiled dot and blkmm
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193 FloatNDArray x = argx.float_array_value ();
90bc0cc4518f implement compiled dot and blkmm
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194 FloatNDArray y = argy.float_array_value ();
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
195 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
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196 FloatNDArray z(dimz);
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197 if (! error_state)
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198 F77_XFCN (sdot3, SDOT3, (m, n, k, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
199 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
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200 retval = z;
90bc0cc4518f implement compiled dot and blkmm
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201 }
90bc0cc4518f implement compiled dot and blkmm
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parents:
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202 else
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
203 {
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
204 NDArray x = argx.array_value ();
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
205 NDArray y = argy.array_value ();
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
206 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
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207 NDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
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208 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
209 F77_XFCN (ddot3, DDOT3, (m, n, k, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
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210 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
211 retval = z;
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
212 }
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
213 }
90bc0cc4518f implement compiled dot and blkmm
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parents:
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214 else
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
215 {
90bc0cc4518f implement compiled dot and blkmm
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216 // Non-optimized evaluation.
90bc0cc4518f implement compiled dot and blkmm
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217 octave_value_list tmp;
15239
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
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parents: 15195
diff changeset
218 tmp(1) = dim + 1;
9874
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219 tmp(0) = do_binary_op (octave_value::op_el_mul, argx, argy);
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diff changeset
220 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
221 {
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
222 tmp = feval ("sum", tmp, 1);
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
223 if (! tmp.empty ())
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
224 retval = tmp(0);
90bc0cc4518f implement compiled dot and blkmm
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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
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parents:
diff changeset
231
90bc0cc4518f implement compiled dot and blkmm
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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
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diff changeset
235
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
236 return retval;
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
237 }
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
238
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
239 /*
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
240 %!assert (dot ([1, 2], [2, 3]), 8)
12788
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
241
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
242 %!test
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
243 %! x = [2, 1; 2, 1];
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
244 %! y = [-0.5, 2; 0.5, -2];
14501
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diff changeset
245 %! assert (dot (x, y), [0 0]);
12788
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Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
246
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
247 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
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diff changeset
248 %! x = [1+i, 3-i; 1-i, 3-i];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
249 %! assert (dot (x, x), [4, 20]);
15239
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
250
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
251 %!test
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
252 %! x = int8 ([1 2]);
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
253 %! y = int8 ([2 3]);
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
254 %! assert (dot (x, y), 8);
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
255
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
256 %!test
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
257 %! x = int8 ([1 2; 3 4]);
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
258 %! y = int8 ([5 6; 7 8]);
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
259 %! assert (dot (x, y), [26 44]);
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
260 %! assert (dot (x, y, 2), [17; 53]);
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
261 %! assert (dot (x, y, 3), [5 12; 21 32]);
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
parents: 15195
diff changeset
262
9874
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diff changeset
263 */
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
264
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14501
diff changeset
265 DEFUN (blkmm, args, ,
9874
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parents:
diff changeset
266 "-*- texinfo -*-\n\
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14501
diff changeset
267 @deftypefn {Built-in Function} {} blkmm (@var{A}, @var{B})\n\
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
268 Compute products of matrix blocks. The blocks are given as\n\
12572
dffd30f12752 Add blkmm function to documentation.
Rik <octave@nomad.inbox5.com>
parents: 12520
diff changeset
269 2-dimensional subarrays of the arrays @var{A}, @var{B}.\n\
dffd30f12752 Add blkmm function to documentation.
Rik <octave@nomad.inbox5.com>
parents: 12520
diff changeset
270 The size of @var{A} must have the form @code{[m,k,@dots{}]} and\n\
dffd30f12752 Add blkmm function to documentation.
Rik <octave@nomad.inbox5.com>
parents: 12520
diff changeset
271 size of @var{B} must be @code{[k,n,@dots{}]}. The result is\n\
9874
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
272 then of size @code{[m,n,@dots{}]} and is computed as follows:\n\
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
273 \n\
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
274 @example\n\
10711
fbd7843974fa Periodic grammar check of documentation files to ensure common format.
Rik <octave@nomad.inbox5.com>
parents: 10155
diff changeset
275 @group\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
276 for i = 1:prod (size (@var{A})(3:end))\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
277 @var{C}(:,:,i) = @var{A}(:,:,i) * @var{B}(:,:,i)\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
278 endfor\n\
10711
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Rik <octave@nomad.inbox5.com>
parents: 10155
diff changeset
279 @end group\n\
9874
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diff changeset
280 @end example\n\
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
281 @end deftypefn")
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
282 {
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diff changeset
283 octave_value retval;
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
284 int nargin = args.length ();
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diff changeset
285
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parents:
diff changeset
286 if (nargin != 2)
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
287 {
90bc0cc4518f implement compiled dot and blkmm
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parents:
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288 print_usage ();
90bc0cc4518f implement compiled dot and blkmm
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289 return retval;
90bc0cc4518f implement compiled dot and blkmm
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290 }
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291
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292 octave_value argx = args(0), argy = args(1);
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293
90bc0cc4518f implement compiled dot and blkmm
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294 if (argx.is_numeric_type () && argy.is_numeric_type ())
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295 {
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296 const dim_vector dimx = argx.dims (), dimy = argy.dims ();
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297 int nd = dimx.length ();
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298 octave_idx_type m = dimx(0), k = dimx(1), n = dimy(1), np = 1;
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299 bool match = dimy(0) == k && nd == dimy.length ();
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300 dim_vector dimz = dim_vector::alloc (nd);
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301 dimz(0) = m;
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302 dimz(1) = n;
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303 for (int i = 2; match && i < nd; i++)
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304 {
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305 match = match && dimx(i) == dimy(i);
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306 dimz(i) = dimx(i);
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307 np *= dimz(i);
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308 }
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309
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310 if (match)
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311 {
90bc0cc4518f implement compiled dot and blkmm
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312 if (argx.is_complex_type () || argy.is_complex_type ())
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313 {
90bc0cc4518f implement compiled dot and blkmm
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314 if (argx.is_single_type () || argy.is_single_type ())
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315 {
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316 FloatComplexNDArray x = argx.float_complex_array_value ();
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317 FloatComplexNDArray y = argy.float_complex_array_value ();
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318 FloatComplexNDArray z(dimz);
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319 if (! error_state)
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320 F77_XFCN (cmatm3, CMATM3, (m, n, k, np, x.data (), y.data (),
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321 z.fortran_vec ()));
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322 retval = z;
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323 }
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324 else
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325 {
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326 ComplexNDArray x = argx.complex_array_value ();
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327 ComplexNDArray y = argy.complex_array_value ();
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328 ComplexNDArray z(dimz);
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329 if (! error_state)
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330 F77_XFCN (zmatm3, ZMATM3, (m, n, k, np, x.data (), y.data (),
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331 z.fortran_vec ()));
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332 retval = z;
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333 }
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334 }
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335 else
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336 {
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337 if (argx.is_single_type () || argy.is_single_type ())
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338 {
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339 FloatNDArray x = argx.float_array_value ();
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340 FloatNDArray y = argy.float_array_value ();
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341 FloatNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
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342 if (! error_state)
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343 F77_XFCN (smatm3, SMATM3, (m, n, k, np, x.data (), y.data (),
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344 z.fortran_vec ()));
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345 retval = z;
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346 }
90bc0cc4518f implement compiled dot and blkmm
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347 else
90bc0cc4518f implement compiled dot and blkmm
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348 {
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349 NDArray x = argx.array_value ();
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350 NDArray y = argy.array_value ();
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351 NDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
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352 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
353 F77_XFCN (dmatm3, DMATM3, (m, n, k, np, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
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354 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
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355 retval = z;
90bc0cc4518f implement compiled dot and blkmm
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356 }
90bc0cc4518f implement compiled dot and blkmm
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parents:
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357 }
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
358 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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359 else
12572
dffd30f12752 Add blkmm function to documentation.
Rik <octave@nomad.inbox5.com>
parents: 12520
diff changeset
360 error ("blkmm: A and B dimensions don't match: (%s) and (%s)",
9874
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
361 dimx.str ().c_str (), dimy.str ().c_str ());
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
362
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
363 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
364 else
12572
dffd30f12752 Add blkmm function to documentation.
Rik <octave@nomad.inbox5.com>
parents: 12520
diff changeset
365 error ("blkmm: A and B must be numeric");
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
366
90bc0cc4518f implement compiled dot and blkmm
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parents:
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367 return retval;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
368 }
12788
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
369
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
370 /*
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
371 %!test
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
372 %! x(:,:,1) = [1 2; 3 4];
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
373 %! x(:,:,2) = [1 1; 1 1];
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
374 %! z(:,:,1) = [7 10; 15 22];
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
375 %! z(:,:,2) = [2 2; 2 2];
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14360
diff changeset
376 %! assert (blkmm (x,x), z);
12788
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12642
diff changeset
377 */