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annotate liboctave/MDiagArray2.cc @ 14193:72aebe619641 stable rc-3-6-0-0

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3.6.0-rc0 release candidate * configure.ac (AC_INIT): Version is now 3.6.0-rc0. (OCTAVE_RELEASE_DATE): Now 2012-01-10. (OCTAVE_API_VERSION_NUMBER): Now 47.
author John W. Eaton <jwe@octave.org>
date Tue, 10 Jan 2012 16:43:41 -0500
parents 72c96de7a403
children
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1 /*
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2
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3 Copyright (C) 1996-2012 John W. Eaton
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4 Copyright (C) 2010 VZLU Prague
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include "MDiagArray2.h"
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29 #include "Array-util.h"
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30 #include "lo-error.h"
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31
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32 #include "MArray-defs.h"
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33
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34 template <class T>
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35 bool
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36 MDiagArray2<T>::is_multiple_of_identity (T val) const
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37 {
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38 bool retval = this->rows () == this->cols ();
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39 if (retval)
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40 {
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41 octave_idx_type len = this->length (), i = 0;
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42 for (;i < len; i++)
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43 if (DiagArray2<T>::elem (i, i) != val) break;
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44 retval = i == len;
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45 }
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46
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47 return retval;
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48 }
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49
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50 // Two dimensional diagonal array with math ops.
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51
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52 // Element by element MDiagArray2 by MDiagArray2 ops.
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53
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54 // Element by element MDiagArray2 by scalar ops.
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55
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56 #define MARRAY_DAS_OP(OP, FN) \
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57 template <class T> \
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58 MDiagArray2<T> \
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59 operator OP (const MDiagArray2<T>& a, const T& s) \
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60 { \
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61 return MDiagArray2<T> (do_ms_binary_op<T, T, T> (a, s, FN), a.d1, a.d2); \
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62 }
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63
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64 MARRAY_DAS_OP (*, mx_inline_mul)
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65 MARRAY_DAS_OP (/, mx_inline_div)
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66
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67 // Element by element scalar by MDiagArray2 ops.
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68
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69 template <class T>
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70 MDiagArray2<T>
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71 operator * (const T& s, const MDiagArray2<T>& a)
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72 {
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73 return MDiagArray2<T> (do_sm_binary_op<T, T, T> (s, a, mx_inline_mul), a.d1, a.d2);
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74 }
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75
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76 // Element by element MDiagArray2 by MDiagArray2 ops.
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77
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78 #define MARRAY_DADA_OP(FCN, OP, FN) \
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79 template <class T> \
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80 MDiagArray2<T> \
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81 FCN (const MDiagArray2<T>& a, const MDiagArray2<T>& b) \
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82 { \
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83 if (a.d1 != b.d1 || a.d2 != b.d2) \
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84 gripe_nonconformant (#FCN, a.d1, a.d2, b.d1, b.d2); \
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85 return MDiagArray2<T> (do_mm_binary_op<T, T, T> (a, b, FN, FN, FN, #FCN), a.d1, a.d2); \
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86 }
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87
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88 MARRAY_DADA_OP (operator +, +, mx_inline_add)
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89 MARRAY_DADA_OP (operator -, -, mx_inline_sub)
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90 MARRAY_DADA_OP (product, *, mx_inline_mul)
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91
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92 // Unary MDiagArray2 ops.
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93
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94 template <class T>
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95 MDiagArray2<T>
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96 operator + (const MDiagArray2<T>& a)
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97 {
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98 return a;
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99 }
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100
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101 template <class T>
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102 MDiagArray2<T>
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103 operator - (const MDiagArray2<T>& a)
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104 {
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105 return MDiagArray2<T> (do_mx_unary_op<T, T> (a, mx_inline_uminus), a.d1, a.d2);
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106 }