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annotate libinterp/corefcn/matrix_type.cc @ 27277:db687716fed6

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style fixes: generally aim to break long lines before operators, not after Files affected: Table.cc, dw-main-window.cc, file-editor-tab.cc, file-editor.cc, main-window.cc, build-env.in.cc, __ichol__.cc, __magick_read__.cc, besselj.cc, bsxfun.cc, cellfun.cc, data.cc, dlmread.cc, error.cc, fcn-info.cc, file-io.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, load-save.cc, ls-mat4.cc, ls-mat5.cc, matrix_type.cc, mex.cc, oct-stream.cc, pr-output.cc, quadcc.cc, rand.cc, sparse-xpow.cc, syscalls.cc, sysdep.cc, utils.cc, __init_fltk__.cc, __init_gnuplot__.cc, chol.cc, fftw.cc, qr.cc, cdef-class.cc, cdef-object.cc, ov-bool-sparse.cc, ov-cell.cc, ov-class.cc, ov-cx-diag.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-flt-cx-diag.cc, ov-flt-re-diag.cc, ov-str-mat.cc, ov-struct.cc, ov.cc, op-b-sbm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-scm-scm.cc, op-sm-scm.cc, op-sm-sm.cc, jit-typeinfo.cc, pt-cbinop.cc, pt-cbinop.h, pt-eval.cc, CSparse.cc, MatrixType.cc, dSparse.cc, eigs-base.cc, lo-specfun.cc, oct-fftw.cc, cmd-edit.cc, lo-regexp.cc, oct-inttypes.h, url-transfer.cc, mkoctfile.in.cc, and octave-svgconvert.cc.
author John W. Eaton <jwe@octave.org>
date Sun, 21 Jul 2019 10:21:01 -0400
parents 00f796120a6d
children b442ec6dda5c
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1 /*
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2
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3 Copyright (C) 2005-2019 David Bateman
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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
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your option) any later version.
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12 Octave is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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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 <https://www.gnu.org/licenses/>.
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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27 #include <algorithm>
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29 #include "ov.h"
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30 #include "defun.h"
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31 #include "error.h"
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32 #include "ov-re-mat.h"
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33 #include "ov-cx-mat.h"
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34 #include "ov-re-sparse.h"
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35 #include "ov-cx-sparse.h"
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36 #include "MatrixType.h"
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37 #include "oct-locbuf.h"
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39 DEFUN (matrix_type, args, ,
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40 doc: /* -*- texinfo -*-
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41 @deftypefn {} {@var{type} =} matrix_type (@var{A})
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42 @deftypefnx {} {@var{type} =} matrix_type (@var{A}, "nocompute")
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43 @deftypefnx {} {@var{A} =} matrix_type (@var{A}, @var{type})
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44 @deftypefnx {} {@var{A} =} matrix_type (@var{A}, "upper", @var{perm})
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45 @deftypefnx {} {@var{A} =} matrix_type (@var{A}, "lower", @var{perm})
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46 @deftypefnx {} {@var{A} =} matrix_type (@var{A}, "banded", @var{nl}, @var{nu})
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47 Identify the matrix type or mark a matrix as a particular type.
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48
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49 This allows more rapid solutions of linear equations involving @var{A} to be
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50 performed.
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51
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52 Called with a single argument, @code{matrix_type} returns the type of the
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53 matrix and caches it for future use.
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54
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55 Called with more than one argument, @code{matrix_type} allows the type of
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56 the matrix to be defined.
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57
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58 If the option @qcode{"nocompute"} is given, the function will not attempt
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59 to guess the type if it is still unknown. This is useful for debugging
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60 purposes.
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61
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62 The possible matrix types depend on whether the matrix is full or sparse,
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63 and can be one of the following
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64
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65 @table @asis
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66 @item @qcode{"unknown"}
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67 Remove any previously cached matrix type, and mark type as unknown.
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68
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69 @item @qcode{"full"}
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70 Mark the matrix as full.
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71
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72 @item @qcode{"positive definite"}
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73 Probable full positive definite matrix.
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74
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75 @item @qcode{"diagonal"}
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76 Diagonal matrix. (Sparse matrices only)
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77
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78 @item @qcode{"permuted diagonal"}
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79 Permuted Diagonal matrix. The permutation does not need to be specifically
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80 indicated, as the structure of the matrix explicitly gives this. (Sparse
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81 matrices only)
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82
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83 @item @qcode{"upper"}
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84 Upper triangular. If the optional third argument @var{perm} is given, the
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85 matrix is assumed to be a permuted upper triangular with the permutations
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86 defined by the vector @var{perm}.
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87
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88 @item @qcode{"lower"}
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89 Lower triangular. If the optional third argument @var{perm} is given, the
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90 matrix is assumed to be a permuted lower triangular with the permutations
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91 defined by the vector @var{perm}.
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92
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93 @item @qcode{"banded"}
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94 @itemx @qcode{"banded positive definite"}
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95 Banded matrix with the band size of @var{nl} below the diagonal and @var{nu}
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96 above it. If @var{nl} and @var{nu} are 1, then the matrix is tridiagonal
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97 and treated with specialized code. In addition the matrix can be marked as
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98 probably a positive definite. (Sparse matrices only)
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99
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100 @item @qcode{"singular"}
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101 The matrix is assumed to be singular and will be treated with a minimum norm
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102 solution.
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103
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104 @end table
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105
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106 Note that the matrix type will be discovered automatically on the first
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107 attempt to solve a linear equation involving @var{A}. Therefore
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108 @code{matrix_type} is only useful to give Octave hints of the matrix type.
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109 Incorrectly defining the matrix type will result in incorrect results from
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110 solutions of linear equations; it is entirely @strong{the responsibility of
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111 the user} to correctly identify the matrix type.
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112
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113 Also, the test for positive definiteness is a low-cost test for a Hermitian
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114 matrix with a real positive diagonal. This does not guarantee that the
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115 matrix is positive definite, but only that it is a probable candidate. When
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116 such a matrix is factorized, a Cholesky@tie{}factorization is first
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117 attempted, and if that fails the matrix is then treated with an
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118 LU@tie{}factorization. Once the matrix has been factorized,
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119 @code{matrix_type} will return the correct classification of the matrix.
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120 @end deftypefn */)
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121 {
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122 int nargin = args.length ();
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123
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124 if (nargin == 0 || nargin > 4)
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125 print_usage ();
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126
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127 bool autocomp = true;
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128 if (nargin == 2 && args(1).is_string ()
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129 && args(1).string_value () == "nocompute")
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130 {
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131 nargin = 1;
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132 autocomp = false;
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133 }
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134
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
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135 octave_value retval;
b17fda023ca6 maint: Use new C++ archetype in more files.
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136
20801
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diff changeset
137 if (args(0).is_scalar_type ())
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138 {
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139 if (nargin == 1)
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140 retval = octave_value ("Diagonal");
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141 else
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142 retval = args(0);
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143 }
23583
b7747a2c88b2 maint: Deprecate is_sparse_type and replace with issparse.
Rik <rik@octave.org>
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144 else if (args(0).issparse ())
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145 {
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146 if (nargin == 1)
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147 {
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148 MatrixType mattyp;
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149
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c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
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150 if (args(0).iscomplex ())
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151 {
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152 mattyp = args(0).matrix_type ();
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153
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154 if (mattyp.is_unknown () && autocomp)
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155 {
27277
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156 SparseComplexMatrix m
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157 = args(0).sparse_complex_matrix_value ();
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158
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159 mattyp = MatrixType (m);
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160 args(0).matrix_type (mattyp);
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161 }
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162 }
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163 else
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164 {
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165 mattyp = args(0).matrix_type ();
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166
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167 if (mattyp.is_unknown () && autocomp)
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168 {
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169 SparseMatrix m = args(0).sparse_matrix_value ();
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170
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171 mattyp = MatrixType (m);
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172 args(0).matrix_type (mattyp);
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173 }
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174 }
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175
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176 int typ = mattyp.type ();
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177
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178 if (typ == MatrixType::Diagonal)
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179 retval = octave_value ("Diagonal");
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180 else if (typ == MatrixType::Permuted_Diagonal)
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181 retval = octave_value ("Permuted Diagonal");
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182 else if (typ == MatrixType::Upper)
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diff changeset
183 retval = octave_value ("Upper");
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184 else if (typ == MatrixType::Permuted_Upper)
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185 retval = octave_value ("Permuted Upper");
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186 else if (typ == MatrixType::Lower)
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diff changeset
187 retval = octave_value ("Lower");
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188 else if (typ == MatrixType::Permuted_Lower)
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189 retval = octave_value ("Permuted Lower");
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190 else if (typ == MatrixType::Banded)
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diff changeset
191 retval = octave_value ("Banded");
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192 else if (typ == MatrixType::Banded_Hermitian)
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193 retval = octave_value ("Banded Positive Definite");
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194 else if (typ == MatrixType::Tridiagonal)
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195 retval = octave_value ("Tridiagonal");
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196 else if (typ == MatrixType::Tridiagonal_Hermitian)
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197 retval = octave_value ("Tridiagonal Positive Definite");
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198 else if (typ == MatrixType::Hermitian)
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199 retval = octave_value ("Positive Definite");
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200 else if (typ == MatrixType::Rectangular)
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diff changeset
201 {
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diff changeset
202 if (args(0).rows () == args(0).columns ())
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diff changeset
203 retval = octave_value ("Singular");
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204 else
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205 retval = octave_value ("Rectangular");
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diff changeset
206 }
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diff changeset
207 else if (typ == MatrixType::Full)
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diff changeset
208 retval = octave_value ("Full");
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diff changeset
209 else
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diff changeset
210 retval = octave_value ("Unknown");
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diff changeset
211 }
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diff changeset
212 else
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diff changeset
213 {
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diff changeset
214 // Ok, we're changing the matrix type
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diff changeset
215 std::string str_typ = args(1).xstring_value ("matrix_type: TYPE must be a string");
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diff changeset
216
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diff changeset
217 // FIXME: why do I have to explicitly call the constructor?
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diff changeset
218 MatrixType mattyp = MatrixType ();
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diff changeset
219
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diff changeset
220 octave_idx_type nl = 0;
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diff changeset
221 octave_idx_type nu = 0;
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diff changeset
222
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diff changeset
223 // Use STL function to convert to lower case
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diff changeset
224 std::transform (str_typ.begin (), str_typ.end (),
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diff changeset
225 str_typ.begin (), tolower);
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diff changeset
226
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diff changeset
227 if (str_typ == "diagonal")
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diff changeset
228 mattyp.mark_as_diagonal ();
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diff changeset
229 if (str_typ == "permuted diagonal")
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diff changeset
230 mattyp.mark_as_permuted_diagonal ();
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diff changeset
231 else if (str_typ == "upper")
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diff changeset
232 mattyp.mark_as_upper_triangular ();
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diff changeset
233 else if (str_typ == "lower")
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diff changeset
234 mattyp.mark_as_lower_triangular ();
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diff changeset
235 else if (str_typ == "banded"
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diff changeset
236 || str_typ == "banded positive definite")
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diff changeset
237 {
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diff changeset
238 if (nargin != 4)
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diff changeset
239 error ("matrix_type: banded matrix type requires 4 arguments");
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
240
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
241 nl = args(2).xnint_value ("matrix_type: band size NL, NU must be integers");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
242 nu = args(3).xnint_value ("matrix_type: band size NL, NU must be integers");
20801
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diff changeset
243
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
244 if (nl == 1 && nu == 1)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
245 mattyp.mark_as_tridiagonal ();
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
246 else
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
247 mattyp.mark_as_banded (nu, nl);
20801
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diff changeset
248
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
249 if (str_typ == "banded positive definite")
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
250 mattyp.mark_as_symmetric ();
20801
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diff changeset
251 }
a542a9bf177e eliminate return statements after calls to print_usage
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diff changeset
252 else if (str_typ == "positive definite")
a542a9bf177e eliminate return statements after calls to print_usage
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diff changeset
253 {
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diff changeset
254 mattyp.mark_as_full ();
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diff changeset
255 mattyp.mark_as_symmetric ();
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diff changeset
256 }
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
257 else if (str_typ == "singular")
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John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
258 mattyp.mark_as_rectangular ();
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diff changeset
259 else if (str_typ == "full")
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diff changeset
260 mattyp.mark_as_full ();
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diff changeset
261 else if (str_typ == "unknown")
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diff changeset
262 mattyp.invalidate_type ();
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diff changeset
263 else
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parents: 20704
diff changeset
264 error ("matrix_type: Unknown matrix type %s", str_typ.c_str ());
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diff changeset
265
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diff changeset
266 if (nargin == 3
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diff changeset
267 && (str_typ == "upper" || str_typ == "lower"))
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parents: 20704
diff changeset
268 {
26354
409120c6bf43 matrix_type.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 25054
diff changeset
269 const ColumnVector perm = args(2).xvector_value ("matrix_type: Invalid permutation vector PERM");
20801
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diff changeset
270
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diff changeset
271 octave_idx_type len = perm.numel ();
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diff changeset
272 dim_vector dv = args(0).dims ();
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parents: 20704
diff changeset
273
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parents: 20704
diff changeset
274 if (len != dv(0))
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parents: 20704
diff changeset
275 error ("matrix_type: Invalid permutation vector PERM");
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
276
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
277 OCTAVE_LOCAL_BUFFER (octave_idx_type, p, len);
20801
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parents: 20704
diff changeset
278
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
279 for (octave_idx_type i = 0; i < len; i++)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
280 p[i] = static_cast<octave_idx_type> (perm (i)) - 1;
20801
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parents: 20704
diff changeset
281
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
282 mattyp.mark_as_permuted (len, p);
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parents: 20704
diff changeset
283 }
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parents: 20704
diff changeset
284 else if (nargin != 2
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parents: 20704
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285 && str_typ != "banded positive definite"
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parents: 20704
diff changeset
286 && str_typ != "banded")
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parents: 20704
diff changeset
287 error ("matrix_type: Invalid number of arguments");
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parents: 20704
diff changeset
288
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parents: 20704
diff changeset
289 // Set the matrix type
23581
c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents: 23220
diff changeset
290 if (args(0).iscomplex ())
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diff changeset
291 retval = octave_value (args(0).sparse_complex_matrix_value (),
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diff changeset
292 mattyp);
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parents: 20704
diff changeset
293 else
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diff changeset
294 retval = octave_value (args(0).sparse_matrix_value (),
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parents: 20704
diff changeset
295 mattyp);
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parents: 20704
diff changeset
296 }
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parents: 20704
diff changeset
297 }
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dbateman
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diff changeset
298 else
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dbateman
parents:
diff changeset
299 {
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300 if (nargin == 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9758
diff changeset
301 {
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302 MatrixType mattyp;
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parents: 20704
diff changeset
303
23581
c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents: 23220
diff changeset
304 if (args(0).iscomplex ())
10154
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parents: 9758
diff changeset
305 {
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diff changeset
306 mattyp = args(0).matrix_type ();
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dbateman
parents:
diff changeset
307
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diff changeset
308 if (mattyp.is_unknown () && autocomp)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9758
diff changeset
309 {
20801
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diff changeset
310 if (args(0).is_single_type ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9758
diff changeset
311 {
20801
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diff changeset
312 FloatComplexMatrix m;
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diff changeset
313 m = args(0).float_complex_matrix_value ();
20557
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parents: 20443
diff changeset
314
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John W. Eaton <jwe@octave.org>
parents: 20443
diff changeset
315 mattyp = MatrixType (m);
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parents: 20443
diff changeset
316 args(0).matrix_type (mattyp);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9758
diff changeset
317 }
20801
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diff changeset
318 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9758
diff changeset
319 {
20801
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parents: 20704
diff changeset
320 ComplexMatrix m = args(0).complex_matrix_value ();
20557
b10432a40432 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20443
diff changeset
321
b10432a40432 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20443
diff changeset
322 mattyp = MatrixType (m);
b10432a40432 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20443
diff changeset
323 args(0).matrix_type (mattyp);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
324 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
325 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
326 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
327 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
328 {
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
329 mattyp = args(0).matrix_type ();
19403
03067dab10ca Use stricter input validation when looking for a string as input (bug #42651).
Rik <rik@octave.org>
parents: 18678
diff changeset
330
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
331 if (mattyp.is_unknown () && autocomp)
20582
ba2b07c13913 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20557
diff changeset
332 {
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
333 if (args(0).is_single_type ())
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
334 {
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
335 FloatMatrix m = args(0).float_matrix_value ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
336
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
337 mattyp = MatrixType (m);
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
338 args(0).matrix_type (mattyp);
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
339 }
20582
ba2b07c13913 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20557
diff changeset
340 else
ba2b07c13913 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20557
diff changeset
341 {
20801
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John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
342 Matrix m = args(0).matrix_value ();
5323
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman]
dbateman
parents:
diff changeset
343
20801
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John W. Eaton <jwe@octave.org>
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diff changeset
344 mattyp = MatrixType (m);
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
345 args(0).matrix_type (mattyp);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
346 }
20582
ba2b07c13913 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20557
diff changeset
347 }
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
348 }
20582
ba2b07c13913 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20557
diff changeset
349
20801
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John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
350 int typ = mattyp.type ();
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20700
diff changeset
351
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
352 if (typ == MatrixType::Upper)
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
353 retval = octave_value ("Upper");
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
354 else if (typ == MatrixType::Permuted_Upper)
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
355 retval = octave_value ("Permuted Upper");
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
356 else if (typ == MatrixType::Lower)
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
357 retval = octave_value ("Lower");
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
358 else if (typ == MatrixType::Permuted_Lower)
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
359 retval = octave_value ("Permuted Lower");
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
360 else if (typ == MatrixType::Hermitian)
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
361 retval = octave_value ("Positive Definite");
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
362 else if (typ == MatrixType::Rectangular)
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
363 {
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
364 if (args(0).rows () == args(0).columns ())
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
365 retval = octave_value ("Singular");
20582
ba2b07c13913 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20557
diff changeset
366 else
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
367 retval = octave_value ("Rectangular");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
368 }
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
369 else if (typ == MatrixType::Full)
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
370 retval = octave_value ("Full");
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
371 else
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
372 retval = octave_value ("Unknown");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
373 }
5323
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman]
dbateman
parents:
diff changeset
374 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
375 {
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
376 // Ok, we're changing the matrix type
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
377 std::string str_typ = args(1).xstring_value ("matrix_type: TYPE must be a string");
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
378
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
379 // FIXME: why do I have to explicitly call the constructor?
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
380 MatrixType mattyp = MatrixType (MatrixType::Unknown, true);
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
381
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
382 // Use STL function to convert to lower case
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
383 std::transform (str_typ.begin (), str_typ.end (),
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
384 str_typ.begin (), tolower);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
385
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
386 if (str_typ == "upper")
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
387 mattyp.mark_as_upper_triangular ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
388 else if (str_typ == "lower")
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
389 mattyp.mark_as_lower_triangular ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
390 else if (str_typ == "positive definite")
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
391 {
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
392 mattyp.mark_as_full ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
393 mattyp.mark_as_symmetric ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
394 }
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
395 else if (str_typ == "singular")
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
396 mattyp.mark_as_rectangular ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
397 else if (str_typ == "full")
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
398 mattyp.mark_as_full ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
399 else if (str_typ == "unknown")
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
400 mattyp.invalidate_type ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
401 else
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
402 error ("matrix_type: Unknown matrix type %s", str_typ.c_str ());
20557
b10432a40432 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20443
diff changeset
403
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
404 if (nargin == 3 && (str_typ == "upper" || str_typ == "lower"))
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
405 {
26354
409120c6bf43 matrix_type.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 25054
diff changeset
406 const ColumnVector perm = args(2).xvector_value ("matrix_type: Invalid permutation vector PERM");
20557
b10432a40432 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20443
diff changeset
407
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
408 octave_idx_type len = perm.numel ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
409 dim_vector dv = args(0).dims ();
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
410
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
411 if (len != dv(0))
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
412 error ("matrix_type: Invalid permutation vector PERM");
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
413
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
414 OCTAVE_LOCAL_BUFFER (octave_idx_type, p, len);
20557
b10432a40432 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20443
diff changeset
415
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
416 for (octave_idx_type i = 0; i < len; i++)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
417 p[i] = static_cast<octave_idx_type> (perm (i)) - 1;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
418
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
419 mattyp.mark_as_permuted (len, p);
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
420 }
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
421 else if (nargin != 2)
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
422 error ("matrix_type: Invalid number of arguments");
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
423
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
424 // Set the matrix type
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
425 if (args(0).is_single_type ())
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
426 {
23581
c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents: 23220
diff changeset
427 if (args(0).iscomplex ())
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
428 retval = octave_value (args(0).float_complex_matrix_value (),
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
429 mattyp);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
430 else
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
431 retval = octave_value (args(0).float_matrix_value (),
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
432 mattyp);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
433 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
434 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
435 {
23581
c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents: 23220
diff changeset
436 if (args(0).iscomplex ())
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
437 retval = octave_value (args(0).complex_matrix_value (),
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
438 mattyp);
20582
ba2b07c13913 use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents: 20557
diff changeset
439 else
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20704
diff changeset
440 retval = octave_value (args(0).matrix_value (), mattyp);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
441 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9758
diff changeset
442 }
5323
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman]
dbateman
parents:
diff changeset
443 }
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman]
dbateman
parents:
diff changeset
444
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman]
dbateman
parents:
diff changeset
445 return retval;
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman]
dbateman
parents:
diff changeset
446 }
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman]
dbateman
parents:
diff changeset
447
e5a68648db9c [project @ 2005-04-29 13:10:36 by dbateman]
dbateman
parents:
diff changeset
448 /*
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
449 ## FIXME:
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
450 ## Disable tests for lower under-determined and upper over-determined
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7567
diff changeset
451 ## matrices as this detection is disabled in MatrixType due to issues
5681
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5631
diff changeset
452 ## of non minimum norm solution being found.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
453
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
454 %!assert (matrix_type (speye (10,10)), "Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
455 %!assert (matrix_type (speye (10,10)([2:10,1],:)), "Permuted Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
456 %!assert (matrix_type ([[speye(10,10);sparse(1,10)],[1;sparse(9,1);1]]), "Upper")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
457 %!assert (matrix_type ([[speye(10,10);sparse(1,10)],[1;sparse(9,1);1]](:,[2,1,3:11])), "Permuted Upper")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
458 %!assert (matrix_type ([speye(10,10),sparse(10,1);1,sparse(1,9),1]), "Lower")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
459 %!assert (matrix_type ([speye(10,10),sparse(10,1);1,sparse(1,9),1]([2,1,3:11],:)), "Permuted Lower")
5610
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman]
dbateman
parents: 5506
diff changeset
460
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman]
dbateman
parents: 5506
diff changeset
461 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
462 %! bnd = spparms ("bandden");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
463 %! spparms ("bandden", 0.5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
464 %! a = spdiags (rand (10,3)-0.5,[-1,0,1],10,10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
465 %! assert (matrix_type (a), "Tridiagonal");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
466 %! assert (matrix_type (a'+a+2*speye (10)), "Tridiagonal Positive Definite");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
467 %! spparms ("bandden", bnd);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
468 %!test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
469 %! bnd=spparms ("bandden");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
470 %! spparms ("bandden", 0.5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
471 %! a = spdiags (randn (10,4),[-2:1],10,10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
472 %! assert (matrix_type (a), "Banded");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
473 %! assert (matrix_type (a'*a), "Banded Positive Definite");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
474 %! spparms ("bandden", bnd);
5610
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman]
dbateman
parents: 5506
diff changeset
475 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
476 %! a = [speye(10,10),[sparse(9,1);1];-1,sparse(1,9),1];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
477 %! assert (matrix_type (a), "Full");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
478 %! assert (matrix_type (a'*a), "Positive Definite");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
479
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
480 %!assert (matrix_type (speye (10,11)), "Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
481 %!assert (matrix_type (speye (10,11)([2:10,1],:)), "Permuted Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
482 %!assert (matrix_type (speye (11,10)), "Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
483 %!assert (matrix_type (speye (11,10)([2:11,1],:)), "Permuted Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
484 %#!assert (matrix_type ([[speye(10,10);sparse(1,10)],[[1,1];sparse(9,2);[1,1]]]), "Upper")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
485 %#!assert (matrix_type ([[speye(10,10);sparse(1,10)],[[1,1];sparse(9,2);[1,1]]](:,[2,1,3:12])), "Permuted Upper")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
486 %!assert (matrix_type ([speye(11,9),[1;sparse(8,1);1;0]]), "Upper")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
487 %!assert (matrix_type ([speye(11,9),[1;sparse(8,1);1;0]](:,[2,1,3:10])), "Permuted Upper")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
488 %#!assert (matrix_type ([speye(10,10),sparse(10,1);[1;1],sparse(2,9),[1;1]]), "Lower")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
489 %#!assert (matrix_type ([speye(10,10),sparse(10,1);[1;1],sparse(2,9),[1;1]]([2,1,3:12],:)), "Permuted Lower")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
490 %!assert (matrix_type ([speye(9,11);[1,sparse(1,8),1,0]]), "Lower")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
491 %!assert (matrix_type ([speye(9,11);[1,sparse(1,8),1,0]]([2,1,3:10],:)), "Permuted Lower")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
492 %!assert (matrix_type (spdiags (randn (10,4),[-2:1],10,9)), "Rectangular")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
493
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
494 %!assert (matrix_type (1i*speye (10,10)), "Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
495 %!assert (matrix_type (1i*speye (10,10)([2:10,1],:)), "Permuted Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
496 %!assert (matrix_type ([[speye(10,10);sparse(1,10)],[1i;sparse(9,1);1]]), "Upper")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
497 %!assert (matrix_type ([[speye(10,10);sparse(1,10)],[1i;sparse(9,1);1]](:,[2,1,3:11])), "Permuted Upper")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
498 %!assert (matrix_type ([speye(10,10),sparse(10,1);1i,sparse(1,9),1]), "Lower")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
499 %!assert (matrix_type ([speye(10,10),sparse(10,1);1i,sparse(1,9),1]([2,1,3:11],:)), "Permuted Lower")
5610
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dbateman
parents: 5506
diff changeset
500
9761b7d24e9e [project @ 2006-02-09 09:12:02 by dbateman]
dbateman
parents: 5506
diff changeset
501 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
502 %! bnd = spparms ("bandden");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
503 %! spparms ("bandden", 0.5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
504 %! assert (matrix_type (spdiags (1i*randn (10,3),[-1,0,1],10,10)), "Tridiagonal");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
505 %! a = 1i*(rand (9,1)-0.5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
506 %! a = [[a;0],ones(10,1),[0;-a]];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
507 %! assert (matrix_type (spdiags (a,[-1,0,1],10,10)), "Tridiagonal Positive Definite");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
508 %! spparms ("bandden", bnd);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
509 %!test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
510 %! bnd = spparms ("bandden");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
511 %! spparms ("bandden", 0.5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
512 %! assert (matrix_type (spdiags (1i*randn (10,4),[-2:1],10,10)), "Banded");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
513 %! a = 1i*(rand (9,2)-0.5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
514 %! a = [[a;[0,0]],ones(10,1),[[0;-a(:,2)],[0;0;-a(1:8,1)]]];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
515 %! assert (matrix_type (spdiags (a,[-2:2],10,10)), "Banded Positive Definite");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
516 %! spparms ("bandden", bnd);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
517 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
518 %! a = [speye(10,10),[sparse(9,1);1i];-1,sparse(1,9),1];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
519 %! assert (matrix_type (a), "Full");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
520 %! assert (matrix_type (a'*a), "Positive Definite");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
521
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
522 %!assert (matrix_type (1i*speye (10,11)), "Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
523 %!assert (matrix_type (1i*speye (10,11)([2:10,1],:)), "Permuted Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
524 %!assert (matrix_type (1i*speye (11,10)), "Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
525 %!assert (matrix_type (1i*speye (11,10)([2:11,1],:)), "Permuted Diagonal")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
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parents: 14361
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526 %#!assert (matrix_type ([[speye(10,10);sparse(1,10)],[[1i,1i];sparse(9,2);[1i,1i]]]), "Upper")
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parents: 14361
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527 %#!assert (matrix_type ([[speye(10,10);sparse(1,10)],[[1i,1i];sparse(9,2);[1i,1i]]](:,[2,1,3:12])), "Permuted Upper")
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parents: 14361
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528 %!assert (matrix_type ([speye(11,9),[1i;sparse(8,1);1i;0]]), "Upper")
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529 %!assert (matrix_type ([speye(11,9),[1i;sparse(8,1);1i;0]](:,[2,1,3:10])), "Permuted Upper")
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Rik <octave@nomad.inbox5.com>
parents: 14361
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530 %#!assert (matrix_type ([speye(10,10),sparse(10,1);[1i;1i],sparse(2,9),[1i;1i]]), "Lower")
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Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
531 %#!assert (matrix_type ([speye(10,10),sparse(10,1);[1i;1i],sparse(2,9),[1i;1i]]([2,1,3:12],:)), "Permuted Lower")
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Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
532 %!assert (matrix_type ([speye(9,11);[1i,sparse(1,8),1i,0]]), "Lower")
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Rik <octave@nomad.inbox5.com>
parents: 14361
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533 %!assert (matrix_type ([speye(9,11);[1i,sparse(1,8),1i,0]]([2,1,3:10],:)), "Permuted Lower")
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Rik <octave@nomad.inbox5.com>
parents: 14361
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534 %!assert (matrix_type (1i*spdiags(randn(10,4),[-2:1],10,9)), "Rectangular")
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diff changeset
535
14501
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parents: 14361
diff changeset
536 %!test
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parents: 14361
diff changeset
537 %! a = matrix_type (spdiags (randn (10,3),[-1,0,1],10,10), "Singular");
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parents: 14361
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538 %! assert (matrix_type (a), "Singular");
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parents: 14361
diff changeset
539
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parents: 14361
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540 %!assert (matrix_type (triu (ones(10,10))), "Upper")
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parents: 14361
diff changeset
541 %!assert (matrix_type (triu (ones(10,10),-1)), "Full")
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Rik <octave@nomad.inbox5.com>
parents: 14361
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542 %!assert (matrix_type (tril (ones(10,10))), "Lower")
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parents: 14361
diff changeset
543 %!assert (matrix_type (tril (ones(10,10),1)), "Full")
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Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
544 %!assert (matrix_type (10*eye (10,10) + ones (10,10)), "Positive Definite")
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Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
545 %!assert (matrix_type (ones (11,10)), "Rectangular")
5785
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dbateman
parents: 5775
diff changeset
546 %!test
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parents: 14361
diff changeset
547 %! a = matrix_type (ones (10,10), "Singular");
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parents: 14361
diff changeset
548 %! assert (matrix_type (a), "Singular");
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dbateman
parents: 5775
diff changeset
549
14501
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Rik <octave@nomad.inbox5.com>
parents: 14361
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550 %!assert (matrix_type (triu (1i*ones (10,10))), "Upper")
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Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
551 %!assert (matrix_type (triu (1i*ones (10,10),-1)), "Full")
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Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
552 %!assert (matrix_type (tril (1i*ones (10,10))), "Lower")
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Rik <octave@nomad.inbox5.com>
parents: 14361
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553 %!assert (matrix_type (tril (1i*ones (10,10),1)), "Full")
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Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
554 %!assert (matrix_type (10*eye (10,10) + 1i*triu (ones (10,10),1) -1i*tril (ones (10,10),-1)), "Positive Definite")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
555 %!assert (matrix_type (ones (11,10)), "Rectangular")
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Rik <octave@nomad.inbox5.com>
parents: 14361
diff changeset
556 %!test
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parents: 14361
diff changeset
557 %! a = matrix_type (ones (10,10), "Singular");
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Rik <octave@nomad.inbox5.com>
parents: 14361
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558 %! assert (matrix_type (a), "Singular");
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559 */