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annotate libinterp/corefcn/dot.cc @ 29958:32c3a5805893

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move DEFUN and DEFMETHOD functions inside octave namespace * mk-opts.pl: Surround emitted function definitions with OCTAVE_NAMESPACE_BEGIN and OCTAVE_NAMESPACE_END tags. * mk-builtins.pl: Surround emitted function declarations with OCTAVE_NAMESPACE_BEGIN and OCTAVE_NAMESPACE_END tags. Emit deprecated global inline functions. * __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, balance.cc, besselj.cc, bitfcns.cc, bsxfun.cc, call-stack.cc, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc, dmperm.cc, dot.cc, eig.cc, ellipj.cc, environment.cc, error.cc, event-manager.cc, fcn-info.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, graphics.cc, gsvd.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, interpreter.cc, inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-oct-text.cc, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mgorth.cc, nproc.cc, oct-hist.cc, ordqz.cc, ordschur.cc, pager.cc, pinv.cc, pr-flt-fmt.cc, pr-output.cc, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, sighandlers.cc, sparse.cc, spparms.cc, sqrtm.cc, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, symrcm.cc, symtab.cc, syscalls.cc, sysdep.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, ov-base.cc, ov-bool-mat.cc, ov-cell.cc, ov-class.cc, ov-classdef.cc, ov-fcn-handle.cc, ov-java.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-usr-fcn.cc, ov.cc, octave.cc, lex.ll, oct-parse.yy, profiler.cc, pt-eval.cc: Surround DEFUN and DEFMETHOD function defnitions with OCTAVE_NAMESPACE_BEGIN and OCTAVE_NAMESPACE_END tags.
author John W. Eaton <jwe@octave.org>
date Fri, 13 Aug 2021 21:53:51 -0400
parents 7854d5752dd2
children 7d6709900da7
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27923
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2009-2021 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include "lo-blas-proto.h"
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31 #include "mx-base.h"
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32
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33 #include "builtin-defun-decls.h"
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34 #include "defun.h"
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35 #include "error.h"
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36 #include "parse.h"
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37
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38 OCTAVE_NAMESPACE_BEGIN
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39
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40 static void
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41 get_red_dims (const dim_vector& x, const dim_vector& y, int dim,
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42 dim_vector& z, F77_INT& m, F77_INT& n, F77_INT& k)
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43 {
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44 int nd = x.ndims ();
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45 assert (nd == y.ndims ());
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46 z = dim_vector::alloc (nd);
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47 octave_idx_type tmp_m = 1;
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48 octave_idx_type tmp_n = 1;
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49 octave_idx_type tmp_k = 1;
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50 for (int i = 0; i < nd; i++)
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51 {
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52 if (i < dim)
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53 {
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54 z(i) = x(i);
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55 tmp_m *= x(i);
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56 }
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57 else if (i > dim)
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58 {
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59 z(i) = x(i);
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60 tmp_n *= x(i);
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61 }
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62 else
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63 {
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64 z(i) = 1;
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65 tmp_k = x(i);
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66 }
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67 }
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68
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69 m = octave::to_f77_int (tmp_m);
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70 n = octave::to_f77_int (tmp_n);
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71 k = octave::to_f77_int (tmp_k);
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72 }
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73
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74 DEFUN (dot, args, ,
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75 doc: /* -*- texinfo -*-
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76 @deftypefn {} {} dot (@var{x}, @var{y}, @var{dim})
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77 Compute the dot product of two vectors.
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78
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79 If @var{x} and @var{y} are matrices, calculate the dot products along the
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80 first non-singleton dimension.
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81
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82 If the optional argument @var{dim} is given, calculate the dot products
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83 along this dimension.
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84
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85 Implementation Note: This is equivalent to
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86 @code{sum (conj (@var{X}) .* @var{Y}, @var{dim})}, but avoids forming a
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87 temporary array and is faster. When @var{X} and @var{Y} are column vectors,
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88 the result is equivalent to @code{@var{X}' * @var{Y}}. Although, @code{dot}
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89 is defined for integer arrays, the output may differ from the expected result
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90 due to the limited range of integer objects.
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91 @seealso{cross, divergence}
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92 @end deftypefn */)
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93 {
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94 int nargin = args.length ();
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95
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96 if (nargin < 2 || nargin > 3)
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97 print_usage ();
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98
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99 octave_value retval;
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100 octave_value argx = args(0);
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101 octave_value argy = args(1);
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102
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103 if (! argx.isnumeric () || ! argy.isnumeric ())
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104 error ("dot: X and Y must be numeric");
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105
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106 dim_vector dimx = argx.dims ();
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107 dim_vector dimy = argy.dims ();
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108 bool match = dimx == dimy;
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109 if (! match && nargin == 2 && dimx.isvector () && dimy.isvector ())
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110 {
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111 // Change to column vectors.
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112 dimx = dimx.redim (1);
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113 argx = argx.reshape (dimx);
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114 dimy = dimy.redim (1);
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115 argy = argy.reshape (dimy);
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116 match = dimx == dimy;
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117 }
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118
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119 if (! match)
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120 error ("dot: sizes of X and Y must match");
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121
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122 int dim;
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123 if (nargin == 2)
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124 dim = dimx.first_non_singleton ();
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125 else
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126 dim = args(2).int_value (true) - 1;
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127
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128 if (dim < 0)
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129 error ("dot: DIM must be a valid dimension");
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130
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b4346e1b5b45 use F77_INT instead of octave_idx_type for libinterp dot function
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131 F77_INT m, n, k;
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132 dim_vector dimz;
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133 if (argx.iscomplex () || argy.iscomplex ())
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134 {
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135 if (argx.is_single_type () || argy.is_single_type ())
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136 {
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137 FloatComplexNDArray x = argx.float_complex_array_value ();
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138 FloatComplexNDArray y = argy.float_complex_array_value ();
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139 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
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140 FloatComplexNDArray z (dimz);
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141
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142 F77_XFCN (cdotc3, CDOTC3, (m, n, k,
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143 F77_CONST_CMPLX_ARG (x.data ()), F77_CONST_CMPLX_ARG (y.data ()),
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144 F77_CMPLX_ARG (z.fortran_vec ())));
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145 retval = z;
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146 }
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147 else
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148 {
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149 ComplexNDArray x = argx.complex_array_value ();
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150 ComplexNDArray y = argy.complex_array_value ();
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151 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
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152 ComplexNDArray z (dimz);
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153
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154 F77_XFCN (zdotc3, ZDOTC3, (m, n, k,
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155 F77_CONST_DBLE_CMPLX_ARG (x.data ()), F77_CONST_DBLE_CMPLX_ARG (y.data ()),
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156 F77_DBLE_CMPLX_ARG (z.fortran_vec ())));
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157 retval = z;
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158 }
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159 }
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570170b6eb09 maint: Deprecate is_float_type and replace with isfloat.
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160 else if (argx.isfloat () && argy.isfloat ())
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161 {
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162 if (argx.is_single_type () || argy.is_single_type ())
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163 {
6f0bd96f93c0 maint: Use new C++ archetype in more files.
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164 FloatNDArray x = argx.float_array_value ();
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165 FloatNDArray y = argy.float_array_value ();
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166 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
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167 FloatNDArray z (dimz);
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168
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169 F77_XFCN (sdot3, SDOT3, (m, n, k, x.data (), y.data (),
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170 z.fortran_vec ()));
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171 retval = z;
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172 }
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173 else
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174 {
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175 NDArray x = argx.array_value ();
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176 NDArray y = argy.array_value ();
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177 get_red_dims (dimx, dimy, dim, dimz, m, n, k);
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178 NDArray z (dimz);
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179
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180 F77_XFCN (ddot3, DDOT3, (m, n, k, x.data (), y.data (),
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181 z.fortran_vec ()));
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182 retval = z;
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183 }
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184 }
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185 else
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186 {
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187 // Non-optimized evaluation.
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188 // FIXME: This may *not* do what the user expects.
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189 // It might be more useful to issue a warning, or even an error, instead
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190 // of calculating possibly garbage results.
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191 // Think of the dot product of two int8 vectors where the multiplications
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192 // exceed intmax.
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193 octave_value_list tmp;
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194 tmp(1) = dim + 1;
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195 tmp(0) = octave::binary_op (octave_value::op_el_mul, argx, argy);
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196
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197 tmp = Fsum (tmp, 1);
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198 if (! tmp.empty ())
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199 retval = tmp(0);
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200 }
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201
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202 return retval;
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203 }
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204
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205 /*
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206 %!assert (dot ([1, 2], [2, 3]), 8)
12788
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Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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207
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff changeset
208 %!test
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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209 %! x = [2, 1; 2, 1];
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210 %! y = [-0.5, 2; 0.5, -2];
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211 %! assert (dot (x, y), [0 0]);
19141
25ab600d16fd codesprint: Add %!tests for dot.cc file.
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212 %! assert (dot (single (x), single (y)), single ([0 0]));
12788
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213
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Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff changeset
214 %!test
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215 %! x = [1+i, 3-i; 1-i, 3-i];
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216 %! assert (dot (x, x), [4, 20]);
19141
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217 %! assert (dot (single (x), single (x)), single ([4, 20]));
15239
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
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218
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
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219 %!test
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220 %! x = int8 ([1, 2]);
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221 %! y = int8 ([2, 3]);
15239
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222 %! assert (dot (x, y), 8);
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223
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
Max Brister <max@2bass.com>
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diff changeset
224 %!test
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225 %! x = int8 ([1, 2; 3, 4]);
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226 %! y = int8 ([5, 6; 7, 8]);
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227 %! assert (dot (x, y), [26 44]);
a38d5ed5b3d8 dot.cc: Segfault with integers (bug #37199)
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228 %! assert (dot (x, y, 2), [17; 53]);
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229 %! assert (dot (x, y, 3), [5 12; 21 32]);
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diff changeset
230
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231 ## This is, perhaps, surprising. Integer maximums and saturation mechanics
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232 ## prevent accurate value from being calculated.
5ab12183280d dot.cc: Call Fsum directly rather than using feval.
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233 %!test
5ab12183280d dot.cc: Call Fsum directly rather than using feval.
Rik <rik@octave.org>
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234 %! x = int8 ([127]);
5ab12183280d dot.cc: Call Fsum directly rather than using feval.
Rik <rik@octave.org>
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235 %! assert (dot (x, x), 127);
5ab12183280d dot.cc: Call Fsum directly rather than using feval.
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diff changeset
236
22737
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diff changeset
237 ## Test input validation
18636
60562e5c8bfb Correctly validate arguments to dot function (bug #42061).
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238 %!error dot ()
60562e5c8bfb Correctly validate arguments to dot function (bug #42061).
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diff changeset
239 %!error dot (1)
60562e5c8bfb Correctly validate arguments to dot function (bug #42061).
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diff changeset
240 %!error dot (1,2,3,4)
60562e5c8bfb Correctly validate arguments to dot function (bug #42061).
Rik <rik@octave.org>
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241 %!error <X and Y must be numeric> dot ({1,2}, [3,4])
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242 %!error <X and Y must be numeric> dot ([1,2], {3,4})
60562e5c8bfb Correctly validate arguments to dot function (bug #42061).
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243 %!error <sizes of X and Y must match> dot ([1 2], [1 2 3])
60562e5c8bfb Correctly validate arguments to dot function (bug #42061).
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diff changeset
244 %!error <sizes of X and Y must match> dot ([1 2]', [1 2 3]')
60562e5c8bfb Correctly validate arguments to dot function (bug #42061).
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diff changeset
245 %!error <sizes of X and Y must match> dot (ones (2,2), ones (2,3))
60562e5c8bfb Correctly validate arguments to dot function (bug #42061).
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diff changeset
246 %!error <DIM must be a valid dimension> dot ([1 2], [1 2], 0)
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247 */
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248
25567
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
John W. Eaton <jwe@octave.org>
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diff changeset
249 template <typename T>
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
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diff changeset
250 void
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diff changeset
251 blkmm_internal (const T& x, const T& y, T& z,
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
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diff changeset
252 F77_INT m, F77_INT n, F77_INT k, F77_INT np);
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
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diff changeset
253
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
John W. Eaton <jwe@octave.org>
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diff changeset
254 template <>
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
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diff changeset
255 void
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diff changeset
256 blkmm_internal (const FloatComplexNDArray& x, const FloatComplexNDArray& y,
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257 FloatComplexNDArray& z,
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diff changeset
258 F77_INT m, F77_INT n, F77_INT k, F77_INT np)
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259 {
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diff changeset
260 F77_XFCN (cmatm3, CMATM3, (m, n, k, np,
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261 F77_CONST_CMPLX_ARG (x.data ()),
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262 F77_CONST_CMPLX_ARG (y.data ()),
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263 F77_CMPLX_ARG (z.fortran_vec ())));
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diff changeset
264 }
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265
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diff changeset
266 template <>
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diff changeset
267 void
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diff changeset
268 blkmm_internal (const ComplexNDArray& x, const ComplexNDArray& y,
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diff changeset
269 ComplexNDArray& z,
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diff changeset
270 F77_INT m, F77_INT n, F77_INT k, F77_INT np)
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271 {
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272 F77_XFCN (zmatm3, ZMATM3, (m, n, k, np,
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273 F77_CONST_DBLE_CMPLX_ARG (x.data ()),
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274 F77_CONST_DBLE_CMPLX_ARG (y.data ()),
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275 F77_DBLE_CMPLX_ARG (z.fortran_vec ())));
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276 }
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277
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278 template <>
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diff changeset
279 void
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280 blkmm_internal (const FloatNDArray& x, const FloatNDArray& y, FloatNDArray& z,
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281 F77_INT m, F77_INT n, F77_INT k, F77_INT np)
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282 {
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283 F77_XFCN (smatm3, SMATM3, (m, n, k, np,
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284 x.data (), y.data (),
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diff changeset
285 z.fortran_vec ()));
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286 }
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287
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288 template <>
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diff changeset
289 void
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290 blkmm_internal (const NDArray& x, const NDArray& y, NDArray& z,
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291 F77_INT m, F77_INT n, F77_INT k, F77_INT np)
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292 {
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293 F77_XFCN (dmatm3, DMATM3, (m, n, k, np,
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diff changeset
294 x.data (), y.data (),
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diff changeset
295 z.fortran_vec ()));
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296 }
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297
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298 static void
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299 get_blkmm_dims (const dim_vector& dimx, const dim_vector& dimy,
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300 F77_INT& m, F77_INT& n, F77_INT& k, F77_INT& np,
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301 dim_vector& dimz)
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302 {
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303 int nd = dimx.ndims ();
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304
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305 m = octave::to_f77_int (dimx(0));
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306 k = octave::to_f77_int (dimx(1));
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307 n = octave::to_f77_int (dimy(1));
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308
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diff changeset
309 octave_idx_type tmp_np = 1;
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310
26493
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311 bool match = ((dimy(0) == k) && (nd == dimy.ndims ()));
25567
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312
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313 dimz = dim_vector::alloc (nd);
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314
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315 dimz(0) = m;
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diff changeset
316 dimz(1) = n;
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diff changeset
317 for (int i = 2; match && i < nd; i++)
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318 {
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319 match = (dimx(i) == dimy(i));
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320 dimz(i) = dimx(i);
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321 tmp_np *= dimz(i);
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322 }
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323
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324 np = octave::to_f77_int (tmp_np);
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diff changeset
325
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326 if (! match)
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diff changeset
327 error ("blkmm: A and B dimensions don't match: (%s) and (%s)",
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diff changeset
328 dimx.str ().c_str (), dimy.str ().c_str ());
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diff changeset
329 }
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diff changeset
330
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
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diff changeset
331 template <typename T>
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diff changeset
332 T
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diff changeset
333 do_blkmm (const octave_value& xov, const octave_value& yov)
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
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diff changeset
334 {
25606
959657cab846 maint: Strip trailing whitespace from source files.
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diff changeset
335 const T x = octave_value_extract<T> (xov);
959657cab846 maint: Strip trailing whitespace from source files.
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diff changeset
336 const T y = octave_value_extract<T> (yov);
25567
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diff changeset
337 F77_INT m, n, k, np;
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diff changeset
338 dim_vector dimz;
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diff changeset
339
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
John W. Eaton <jwe@octave.org>
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diff changeset
340 get_blkmm_dims (x.dims (), y.dims (), m, n, k, np, dimz);
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diff changeset
341
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
John W. Eaton <jwe@octave.org>
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diff changeset
342 T z (dimz);
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diff changeset
343
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
John W. Eaton <jwe@octave.org>
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diff changeset
344 if (n != 0 && m != 0)
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diff changeset
345 blkmm_internal<T> (x, y, z, m, n, k, np);
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diff changeset
346
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
John W. Eaton <jwe@octave.org>
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diff changeset
347 return z;
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
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diff changeset
348 }
8c0a35040974 Fix blkmm to work with empty matrices (bug #54261).
John W. Eaton <jwe@octave.org>
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diff changeset
349
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14501
diff changeset
350 DEFUN (blkmm, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
351 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
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diff changeset
352 @deftypefn {} {} blkmm (@var{A}, @var{B})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
353 Compute products of matrix blocks.
112b20240c87 move docstrings in C++ files out of C strings and into comments
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diff changeset
354
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff changeset
355 The blocks are given as 2-dimensional subarrays of the arrays @var{A},
112b20240c87 move docstrings in C++ files out of C strings and into comments
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parents: 21724
diff changeset
356 @var{B}. The size of @var{A} must have the form @code{[m,k,@dots{}]} and
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
357 size of @var{B} must be @code{[k,n,@dots{}]}. The result is then of size
112b20240c87 move docstrings in C++ files out of C strings and into comments
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parents: 21724
diff changeset
358 @code{[m,n,@dots{}]} and is computed as follows:
112b20240c87 move docstrings in C++ files out of C strings and into comments
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parents: 21724
diff changeset
359
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
360 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff changeset
361 @group
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff changeset
362 for i = 1:prod (size (@var{A})(3:end))
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
363 @var{C}(:,:,i) = @var{A}(:,:,i) * @var{B}(:,:,i)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
364 endfor
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
365 @end group
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff changeset
366 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
367 @end deftypefn */)
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
368 {
20819
f428cbe7576f eliminate unnecessary uses of nargin
John W. Eaton <jwe@octave.org>
parents: 20802
diff changeset
369 if (args.length () != 2)
20802
8bb38ba1bad6 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20556
diff changeset
370 print_usage ();
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
371
20918
6f0bd96f93c0 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
372 octave_value retval;
6f0bd96f93c0 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
373
18100
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents: 17787
diff changeset
374 octave_value argx = args(0);
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
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parents: 17787
diff changeset
375 octave_value argy = args(1);
9874
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parents:
diff changeset
376
23586
f6c5db0a02e7 maint: Deprecate is_numeric_type and replace with isnumeric.
Rik <rik@octave.org>
parents: 23585
diff changeset
377 if (! argx.isnumeric () || ! argy.isnumeric ())
20918
6f0bd96f93c0 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
378 error ("blkmm: A and B must be numeric");
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20218
diff changeset
379
23581
c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents: 23220
diff changeset
380 if (argx.iscomplex () || argy.iscomplex ())
20918
6f0bd96f93c0 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
381 {
6f0bd96f93c0 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
382 if (argx.is_single_type () || argy.is_single_type ())
25567
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diff changeset
383 retval = do_blkmm<FloatComplexNDArray> (argx, argy);
9874
90bc0cc4518f implement compiled dot and blkmm
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
384 else
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385 retval = do_blkmm<ComplexNDArray> (argx, argy);
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386 }
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387 else
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388 {
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389 if (argx.is_single_type () || argy.is_single_type ())
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390 retval = do_blkmm<FloatNDArray> (argx, argy);
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391 else
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392 retval = do_blkmm<NDArray> (argx, argy);
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393 }
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394
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395 return retval;
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396 }
12788
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Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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397
9f4b48b93f6d codesprint: Write test for dot.cc
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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398 /*
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399 %!test
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400 %! x(:,:,1) = [1 2; 3 4];
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401 %! x(:,:,2) = [1 1; 1 1];
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402 %! z(:,:,1) = [7 10; 15 22];
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403 %! z(:,:,2) = [2 2; 2 2];
14501
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404 %! assert (blkmm (x,x), z);
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405 %! assert (blkmm (single (x), single (x)), single (z));
25ab600d16fd codesprint: Add %!tests for dot.cc file.
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406 %! assert (blkmm (x, single (x)), single (z));
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407
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408 %!test
25ab600d16fd codesprint: Add %!tests for dot.cc file.
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409 %! x(:,:,1) = [1 2; 3 4];
25ab600d16fd codesprint: Add %!tests for dot.cc file.
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diff changeset
410 %! x(:,:,2) = [1i 1i; 1i 1i];
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411 %! z(:,:,1) = [7 10; 15 22];
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diff changeset
412 %! z(:,:,2) = [-2 -2; -2 -2];
25ab600d16fd codesprint: Add %!tests for dot.cc file.
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413 %! assert (blkmm (x,x), z);
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414 %! assert (blkmm (single (x), single (x)), single (z));
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Rik <rik@octave.org>
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415 %! assert (blkmm (x, single (x)), single (z));
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Rik <rik@octave.org>
parents: 18671
diff changeset
416
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417 %!test <*54261>
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418 %! x = ones (0, 3, 3);
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419 %! y = ones (3, 5, 3);
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420 %! z = blkmm (x,y);
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421 %! assert (size (z), [0, 5, 3]);
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422 %! x = ones (1, 3, 3);
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423 %! y = ones (3, 0, 3);
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diff changeset
424 %! z = blkmm (x,y);
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diff changeset
425 %! assert (size (z), [1, 0, 3]);
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diff changeset
426
22737
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Rik <rik@octave.org>
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diff changeset
427 ## Test input validation
19141
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diff changeset
428 %!error blkmm ()
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429 %!error blkmm (1)
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diff changeset
430 %!error blkmm (1,2,3)
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diff changeset
431 %!error <A and B must be numeric> blkmm ({1,2}, [3,4])
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diff changeset
432 %!error <A and B must be numeric> blkmm ([3,4], {1,2})
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diff changeset
433 %!error <A and B dimensions don't match> blkmm (ones (2,2), ones (3,3))
12788
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diff changeset
434 */
29958
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John W. Eaton <jwe@octave.org>
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diff changeset
435
32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
436 OCTAVE_NAMESPACE_END