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annotate src/DLD-FUNCTIONS/dot.cc @ 9874:90bc0cc4518f

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implement compiled dot and blkmm
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 26 Nov 2009 13:06:59 +0100
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children 21d81d06b221
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9874
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1 /*
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2
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3 Copyright (C) 2009 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&,
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38 const double*, 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&,
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43 const float*, 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&,
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48 const Complex*, 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&,
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53 const FloatComplex*, 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 *, FloatComplex *);
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74 }
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75
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76 static void
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77 get_red_dims (const dim_vector& x, const dim_vector& y, int dim,
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78 dim_vector& z, octave_idx_type& m, octave_idx_type& n,
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79 octave_idx_type& k)
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80 {
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81 int nd = x.length ();
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82 assert (nd == y.length ());
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83 z = dim_vector::alloc (nd);
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84 m = 1, n = 1, k = 1;
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85 for (int i = 0; i < nd; i++)
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86 {
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87 if (i < dim)
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88 {
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89 z(i) = x(i);
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90 m *= x(i);
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91 }
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92 else if (i > dim)
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93 {
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94 z(i) = x(i);
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95 n *= x(i);
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96 }
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97 else
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98 {
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99 k = x(i);
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100 z(i) = 1;
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101 }
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102 }
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103 }
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104
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105 DEFUN_DLD (dot, args, ,
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106 "-*- texinfo -*-\n\
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107 @deftypefn {Loadable Function} {} dot (@var{x}, @var{y}, @var{dim})\n\
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108 Computes the dot product of two vectors. If @var{x} and @var{y}\n\
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109 are matrices, calculate the dot products along the first \n\
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110 non-singleton dimension. If the optional argument @var{dim} is\n\
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111 given, calculate the dot products along this dimension.\n\
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112 \n\
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113 This is equivalent to doing @code{sum (conj (@var{X}) .* @var{Y}, @var{dim})},\n\
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114 but avoids forming a temporary array and uses the BLAS xDOT functions,\n\
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115 usually resulting in increased accuracy of the computation.\n\
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116 @end deftypefn")
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117 {
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118 octave_value retval;
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119 int nargin = args.length ();
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120
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121 if (nargin < 2 || nargin > 3)
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122 {
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123 print_usage ();
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124 return retval;
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125 }
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126
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127 octave_value argx = args(0), argy = args(1);
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128
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129 if (argx.is_numeric_type () && argy.is_numeric_type ())
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130 {
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131 dim_vector dimx = argx.dims (), dimy = argy.dims ();
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132 bool match = dimx == dimy;
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133 if (! match && nargin == 2
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134 && dimx.is_vector () && dimy.is_vector ())
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135 {
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136 // Change to column vectors.
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137 dimx = dimx.redim (1);
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138 argx = argx.reshape (dimx);
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139 dimy = dimy.redim (1);
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140 argy = argy.reshape (dimy);
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141 match = ! error_state;
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142 }
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143
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144 if (match)
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145 {
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146 int dim;
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147 if (nargin == 2)
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148 dim = dimx.first_non_singleton ();
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149 else
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150 dim = args(2).int_value (true) - 1;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
151
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
152 if (error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
153 ;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
154 else if (dim < 0)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
155 error ("dot: dim must be a valid dimension");
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
156 else
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 octave_idx_type m, n, k;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
159 dim_vector dimz;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
160 if (argx.is_complex_type () || argy.is_complex_type ())
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 if (argx.is_single_type () || argy.is_single_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
163 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
164 FloatComplexNDArray x = argx.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
165 FloatComplexNDArray y = argy.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
166 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
167 FloatComplexNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
168 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
169 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
170 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
171 retval = z;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
172 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
173 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
174 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
175 ComplexNDArray x = argx.complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
176 ComplexNDArray y = argy.complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
177 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
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parents:
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178 ComplexNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
179 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
180 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
181 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
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182 retval = z;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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183 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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184 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
185 else if (argx.is_float_type () && argy.is_float_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
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186 {
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
187 if (argx.is_single_type () || argy.is_single_type ())
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>
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189 FloatNDArray x = argx.float_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
190 FloatNDArray y = argy.float_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
191 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
192 FloatNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
193 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
194 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
195 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
196 retval = z;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
197 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
198 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
199 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
200 NDArray x = argx.array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
201 NDArray y = argy.array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
202 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
203 NDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
204 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
205 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
206 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
207 retval = z;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
208 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
209 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
210 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
211 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
212 // Non-optimized evaluation.
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
213 octave_value_list tmp;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
214 tmp(1) = args(2);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
215 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
216 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
217 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
218 tmp = feval ("sum", tmp, 1);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
219 if (! tmp.empty ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
220 retval = tmp(0);
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 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
223 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
224 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
225 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
226 error ("dot: sizes of x,y must match");
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
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
230 error ("dot: needs numeric arguments");
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 return retval;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
233 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
234
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
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 DEFUN_DLD (blkmm, args, ,
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
240 "-*- texinfo -*-\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
241 @deftypefn {Loadable Function} {} blkmm (@var{x}, @var{y})\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
242 Computes products of matrix blocks. The blocks are given as\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
243 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
244 The size of @var{x} must have the form @code{[m,k,@dots{}]} and\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
245 size of @var{y} must be @code{[k,n,@dots{}]}. The result is\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
246 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
247 \n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
248 @example\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
249 for i = 1:prod (size (@var{x})(3:end))\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
250 @var{z}(:,:,i) = @var{x}(:,:,i) * @var{y}(:,:,i)\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
251 endfor\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
252 @end example\n\
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
253 @end deftypefn")
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
254 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
255 octave_value retval;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
256 int nargin = args.length ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
257
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
258 if (nargin != 2)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
259 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
260 print_usage ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
261 return retval;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
262 }
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 octave_value argx = args(0), argy = args(1);
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 if (argx.is_numeric_type () && argy.is_numeric_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
267 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
268 const dim_vector dimx = argx.dims (), dimy = argy.dims ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
269 int nd = dimx.length ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
270 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
271 bool match = dimy(0) == k && nd == dimy.length ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
272 dim_vector dimz = dim_vector::alloc (nd);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
273 dimz(0) = m;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
274 dimz(1) = n;
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
275 for (int i = 2; match && i < nd; i++)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
276 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
277 match = match && dimx(i) == dimy(i);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
278 dimz(i) = dimx(i);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
279 np *= dimz(i);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
280 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
281
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
282 if (match)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
283 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
284 if (argx.is_complex_type () || argy.is_complex_type ())
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
285 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
286 if (argx.is_single_type () || argy.is_single_type ())
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 FloatComplexNDArray x = argx.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
289 FloatComplexNDArray y = argy.float_complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
290 FloatComplexNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
291 if (! error_state)
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
292 F77_XFCN (cmatm3, CMATM3, (m, n, k, np, x.data (), y.data (),
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
293 z.fortran_vec ()));
90bc0cc4518f implement compiled dot and blkmm
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parents:
diff changeset
294 retval = z;
90bc0cc4518f implement compiled dot and blkmm
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diff changeset
295 }
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
296 else
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
297 {
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
298 ComplexNDArray x = argx.complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
299 ComplexNDArray y = argy.complex_array_value ();
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
300 ComplexNDArray z(dimz);
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
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301 if (! error_state)
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302 F77_XFCN (zmatm3, ZMATM3, (m, n, k, np, x.data (), y.data (),
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303 z.fortran_vec ()));
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304 retval = z;
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305 }
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306 }
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307 else
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308 {
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309 if (argx.is_single_type () || argy.is_single_type ())
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310 {
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311 FloatNDArray x = argx.float_array_value ();
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312 FloatNDArray y = argy.float_array_value ();
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313 FloatNDArray z(dimz);
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314 if (! error_state)
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315 F77_XFCN (smatm3, SMATM3, (m, n, k, np, x.data (), y.data (),
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316 z.fortran_vec ()));
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317 retval = z;
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318 }
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319 else
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320 {
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321 NDArray x = argx.array_value ();
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322 NDArray y = argy.array_value ();
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323 NDArray z(dimz);
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324 if (! error_state)
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325 F77_XFCN (dmatm3, DMATM3, (m, n, k, np, x.data (), y.data (),
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326 z.fortran_vec ()));
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327 retval = z;
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328 }
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329 }
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330 }
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331 else
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332 error ("blkmm: dimensions don't match: (%s) and (%s)",
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333 dimx.str ().c_str (), dimy.str ().c_str ());
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334
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335 }
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336 else
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337 error ("blkmm: needs numeric arguments");
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338
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339 return retval;
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340 }
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341
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342 /*
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343 ;;; Local Variables: ***
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344 ;;; mode: C++ ***
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345 ;;; End: ***
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346 */