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annotate Dictionary.m @ 1198:2924b3a9b921 feature/d2_compatible

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Add OpSet for fully compatible D2Variable, created from regular D2Variable by replacing d1 by first row of D1. Formal reduction by one order of accuracy at the boundary point.
author Martin Almquist <malmquist@stanford.edu>
date Fri, 16 Aug 2019 14:30:28 -0700
parents ba0fee896b41
children
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40
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1 % TODO
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2 % Documentation
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3 % Should the storage be done in some other way?
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4 % Cell array as keys?
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5 % Some possibility to load and save to a matfile?
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6 % May be load and save from outside is enough.
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7 % Get and set functions called by subsref and subsasgn?
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8 % Unit tests.
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9
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10
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11 classdef Dictionary
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12 properties
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13 store
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14 end
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15
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16 methods
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17 function obj = Dictionary()
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18 obj.store = struct();
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19 end
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20
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21 function s = getStore(obj)
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22 s = obj.store;
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23 end
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24
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25 function display(obj)
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26 if length(fieldnames(obj.store)) == 0
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27 fprintf('%s is an empty Dictionary\n',inputname(1));
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28 return
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29 end
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30
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31 lineformat = [inputname(1) '(%s) = %s\n'];
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32
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33 display_impl(obj.store,'');
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34
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35 function display_impl(s, path)
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36 if ~isstruct(s)
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37 fprintf(lineformat,path(3:end), value2str(s));
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38 % fprintf(') = %s\n', value2str(s));
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39 % fprintf('%s(', objName);
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40 return
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41 end
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42
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43 fn = fieldnames(s);
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44
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45 for i = 1:length(fn)
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46 display_impl(s.(fn{i}), [path ', ' fn{i}(2:end)]);
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47 end
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48
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49 end
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50
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51 function str = value2str(val)
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52 if isnumeric(val) || ischar(val)
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53 str = mat2str(val);
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54 else
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55 str = class(val);
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56 end
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57 end
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58 end
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59
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60 % B = obj(i)
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61 function B = subsref(obj,S)
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62 switch S.type
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63 case '()'
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64 Sf = obj.subs2dotSubs(S);
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65 try
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66 B = subsref(obj.store,Sf);
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67 catch ME
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68 if strcmp(ME.identifier,'MATLAB:nonExistentField')
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69 error('Reference to non-existent entry %s',toString(S.subs));
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70 else
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71 throw(ME);
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72 end
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73 end
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74 otherwise
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75 B = builtin('subsref', obj, S);
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76 % error('Unsupported indexing operator: %s',S.type);
40
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77 end
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78 end
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79
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80 % A(i) = B
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81 function obj = subsasgn(obj,S,B);
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82 switch S.type
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83 case '()'
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84 Sf = obj.subs2dotSubs(S);
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85 obj.store = subsasgn(obj.store,Sf,B);
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86 otherwise
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87 error('Unsupported indexing operator: %s',S.type);
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88 end
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89 end
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90
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91 function Sf = subs2dotSubs(obj,S)
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92 for i = 1:length(S.subs)
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93 Sf(i).type = '.';
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94 Sf(i).subs = obj.getFieldname(S.subs{i});
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95 end
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96 end
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97
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98 % Should probably use mat2str with some kind of normalization to make all variables valied fieldname
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99 % and make it possible to recover the value
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100 function fName = getFieldname(obj, val)
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101 if ~ischar(val)
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102 val = toString(val);
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103 end
331
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104
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105 fName = matlab.lang.makeValidName(val);
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106 end
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107 end
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108 end