annotate testing/utp_1.1/utps/ao/utp_ao_fft.m @ 44:409a22968d5e default

Add unit tests
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Tue, 06 Dec 2011 18:42:11 +0100
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1 % UTP_AO_FFT a set of UTPs for the ao/fft method
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2 %
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3 % M Hewitson 06-08-08
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4 %
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5 % $Id: utp_ao_fft.m,v 1.13 2011/02/04 11:08:54 luigi Exp $
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6 %
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7
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8 % <MethodDescription>
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9 %
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10 % The fft method of the ao class computes the fast fourier transform of
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11 % time-series AOs.
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12 %
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13 % </MethodDescription>
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14
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15 function results = utp_ao_fft(varargin)
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16
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17 % Check the inputs
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18 if nargin == 0
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19
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20 % Some keywords
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21 class = 'ao';
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22 mthd = 'fft';
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23
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24 results = [];
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25 disp('******************************************************');
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26 disp(['**** Running UTPs for ' class '/' mthd]);
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27 disp('******************************************************');
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28
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29 % Test AOs
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30 [at1,at2,at3,at4,at5,at6,atvec,atmat] = eval(['get_test_objects_' class]);
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31
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32 % Exception list for the UTPs:
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33 [ple1,ple2,ple3,ple4,ple5,ple6] = get_test_ples();
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34
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35 % Run the tests
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36 atvec = [at1 at5 at6];
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37 atmat = [at1 at5 at6; at5 at6 at1];
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38
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39 results = [results utp_01]; % getInfo call
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40
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41 results = [results utp_02(mthd, atvec, @algo_test_y, [], ple3)]; % Vector input
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42 results = [results utp_03(mthd, atmat, @algo_test_y, [], ple3)]; % Matrix input
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43 results = [results utp_04(mthd, at1, at5, at6, @algo_test_y, [], ple3)]; % List input
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44 results = [results utp_05(mthd, at1, atvec, atmat, @algo_test_y, [], ple3)]; % Test with mixed input
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45 results = [results utp_06(mthd, at1, [], ple2)]; % Test history is working
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46 results = [results utp_07(mthd, at1, plist('neval', true), ple2)]; % Test the modify call works
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47 results = [results utp_09(mthd, at5, at6)]; % Test input data shape == output data shape
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48 results = [results utp_10(mthd, at1, at5, ple2)]; % Test output of the data
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49 results = [results utp_11(mthd, at1, ple1)]; % Test plotinfo doesn't disappear
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50
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51 results = [results utp_12]; % Test against MATLAB's fft
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52 results = [results utp_13]; % Test with different data types
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53 results = [results utp_14]; % Test with plist: 'type' = 'two'
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54
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55 disp('Done.');
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56 disp('******************************************************');
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57
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58 elseif nargin == 1 % Check for UTP functions
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59 if strcmp(varargin{1}, 'isutp')
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60 results = 1;
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61 else
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62 results = 0;
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63 end
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64 else
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65 error('### Incorrect inputs')
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66 end
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67
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68 %% Algorithm test for UTP 02,03,04,05
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69
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70 function atest = algo_test_y(in, out, pli)
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71 atest = true;
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72 fs = in.data.fs;
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73 fmin = 0;
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74 nfft = length(in.y);
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75 ft = fft(in.y);
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76 ft = ft(1:nfft/2+1);
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77 f = linspace(fmin, fs/2, length(ft)).';
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78 % Check y-axis
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79 if ~isequal(out.y, ft), atest = false; end
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80 % Check x-axis
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81 if ~isequal(out.x, f), atest = false; end
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82 % Check fs
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83 if ~isequal(out.fs, fs), atest = false; end
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84 % Check units
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85 if ~eq(out.xunits, unit('Hz')), atest = false; end
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86 if ~eq(out.yunits, in.yunits), atest = false; end
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87 end
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88
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89 %% UTP_01
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90
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91 % <TestDescription>
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92 %
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93 % Tests that the getInfo call works for this method.
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94 %
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95 % </TestDescription>
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96 function result = utp_01
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97
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98
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99 % <SyntaxDescription>
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100 %
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101 % Test that the getInfo call works for no sets, all sets, and each set
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102 % individually.
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103 %
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104 % </SyntaxDescription>
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105
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106 try
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107 % <SyntaxCode>
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108 % Call for no sets
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109 io(1) = eval([class '.getInfo(''' mthd ''', ''None'')']);
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110 % Call for all sets
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111 io(2) = eval([class '.getInfo(''' mthd ''')']);
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112 % Call for each set
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113 for kk=1:numel(io(2).sets)
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114 io(kk+2) = eval([class '.getInfo(''' mthd ''', ''' io(2).sets{kk} ''')']);
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115 end
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116 % </SyntaxCode>
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117 stest = true;
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118 catch err
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119 disp(err.message)
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120 stest = false;
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121 end
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122
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123 % <AlgoDescription>
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124 %
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125 % 1) Check that getInfo call returned an minfo object in all cases.
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126 % 2) Check that all plists have the correct parameters.
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127 %
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128 % </AlgoDescription>
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129
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130 atest = true;
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131 if stest
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132 % <AlgoCode>
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133 % check we have minfo objects
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134 if isa(io, 'minfo')
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135 %%% SET 'None'
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136 if ~isempty(io(1).sets), atest = false; end
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137 if ~isempty(io(1).plists), atest = false; end
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138 %%% Check all Sets
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139 if ~any(strcmpi(io(2).sets, 'Default')), atest = false; end
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140 if numel(io(2).plists) ~= numel(io(2).sets), atest = false; end
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141 %%%%%%%%%% SET 'Default'
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142 if io(3).plists.nparams ~= 2, atest = false; end
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143 % Check key
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144 if ~io(3).plists.isparam('type'), atest = false; end
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145 % Check default value
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146 if ~isequal(io(3).plists.find('type'), 'one'), atest = false; end
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147 % Check options
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148 if ~isequal(io(3).plists.getOptionsForParam('type'), {'plain', 'one', 'two'}), atest = false; end
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149 % Check key
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150 if ~io(3).plists.isparam('scale'), atest = false; end
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151 % Check default value
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152 if ~isequal(io(3).plists.find('scale'), false), atest = false; end
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153 % Check options
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154 if ~isequal(io(3).plists.getOptionsForParam('scale'), paramValue.FALSE_TRUE{2}), atest = false; end
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155 end
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156 % </AlgoCode>
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157 else
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158 atest = false;
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159 end
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160
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161 % Return a result structure
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162 result = utp_prepare_result(atest, stest, dbstack, mfilename);
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163 end % END UTP_01
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164
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165 %% UTP_12
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166
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167 % <TestDescription>
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168 %
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169 % Tests that the fft method agrees with MATLAB's fft when
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170 % configured to use the same parameters.
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171 %
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172 % </TestDescription>
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173 function result = utp_12
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174
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175 % <SyntaxDescription>
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176 %
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177 % Test that the applying fft works on a single AO.
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178 %
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179 % </SyntaxDescription>
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180
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181 try
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182 % <SyntaxCode>
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183 % Construct two test AOs
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184 nsecs = 10;
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185 fs = 1000;
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186 pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'randn(size(t))');
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187 a1 = ao(pl);
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188 % Compute fft
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189 out = fft(a1);
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190 % </SyntaxCode>
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191 stest = true;
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192 catch err
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193 disp(err.message)
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194 stest = false;
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195 end
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196
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197 % <AlgoDescription>
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198 %
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199 % 1) Check that output agrees with the output of MATLAB's fft.
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200 %
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201 % </AlgoDescription>
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202
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203 atest = true;
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204 if stest
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205 % <AlgoCode>
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206 % Compute fft using MATLAB's fft
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207 % ao/fft returns only one-sided fft (0-Nyquist)
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208 yxx = fft(a1.data.y);
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209 if ~isequal(yxx(1:length(yxx)/2+1), out.data.y), atest = false; end
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210 % </AlgoCode>
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211 else
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212 atest = false;
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213 end
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214
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215 % Return a result structure
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216 result = utp_prepare_result(atest, stest, dbstack, mfilename);
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217 end % END UTP_12
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218
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219 %% UTP_13
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220
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221 % <TestDescription>
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222 %
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223 % Tests that the fft method works with different data types. The testing of
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224 % tsdata types are done before.
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225 %
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226 % </TestDescription>
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227 function result = utp_13
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228
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229 % <SyntaxDescription>
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230 %
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231 % Test that the applying fft works on cdata and xydata.
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232 %
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233 % </SyntaxDescription>
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234
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235 try
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236 % <SyntaxCode>
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237 % Compute fft
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238 out3 = fft(at3);
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239 out4 = fft(at4);
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240 % </SyntaxCode>
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241 stest = true;
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242 catch err
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243 disp(err.message)
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244 stest = false;
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245 end
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246
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247 % <AlgoDescription>
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248 %
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249 % 1) Check that each output AO contains the correct data.
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250 %
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251 % </AlgoDescription>
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252
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253 atest = true;
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254 if stest
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255 % <AlgoCode>
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256 % Compute fft for cdata and xydata
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257 fs = 2+length(at3.y);
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258 nfft = length(at3.y);
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259 ft = fft(at3.y);
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260 ft = ft(1:nfft/2+1);
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261 f = (0:floor(nfft/2)).*fs./nfft;
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262 % Check y-axis
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263 if ~isequal(out3.y, ft), atest = false; end
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264 % Check x-axis
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265 if ~isequal(out3.x, f.'), atest = false; end
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266 % Check fs
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267 if ~isequal(out3.fs, fs), atest = false; end
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268 % Check units
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269 if ~eq(out3.xunits, unit('Hz')), atest = false; end
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270 if ~eq(out3.yunits, at3.yunits), atest = false; end
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271 % </AlgoCode>
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272 else
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273 atest = false;
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274 end
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275
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276 % Return a result structure
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277 result = utp_prepare_result(atest, stest, dbstack, mfilename);
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278 end % END UTP_13
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279
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280 %% UTP_14
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281
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282 % <TestDescription>
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283 %
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284 % Tests that the fft method works with a plist which constains the key/value
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285 % pair 'type'/'two'.
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286 %
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287 % </TestDescription>
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288 function result = utp_14
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289
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290 % <SyntaxDescription>
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291 %
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292 % Test that the applying fft works with a plist.
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293 %
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294 % </SyntaxDescription>
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295
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296 try
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297 % <SyntaxCode>
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298 pl = plist('type', 'two');
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299 % Compute fft
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300 out = fft(at5, pl);
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301 mout = rebuild(out);
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302 % </SyntaxCode>
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303 stest = true;
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304 catch err
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305 disp(err.message)
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306 stest = false;
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307 end
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308
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309 % <AlgoDescription>
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310 %
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311 % 1) Check that each output AO contains the correct data.
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312 % 2) Check that the re-built object is the same object as 'out'.
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313 %
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314 % </AlgoDescription>
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parents:
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315
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316 atest = true;
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diff changeset
317 if stest
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318 % <AlgoCode>
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319 % Compute fft for cdata and xydata
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320 fs = at5.data.fs;
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321 nfft = length(at5.y);
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322 ft = fft(at5.data.y);
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323 ft = fftshift(ft);
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324 f = fftshift([0:floor(nfft/2)-1 -floor(nfft/2):-1].*fs./nfft);
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325 % Check y-axis
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326 if ~isequal(out.y, ft), atest = false; end
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327 % Check x-axis
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328 if ~isequal(out.x, f.'), atest = false; end
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329 % Check fs
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330 if ~isequal(out.fs, fs), atest = false; end
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331 % Check units
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332 if ~eq(out.xunits, unit('Hz')), atest = false; end
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333 if ~eq(out.yunits, at5.yunits), atest = false; end
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334 % Check the re-built object
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335 if ~eq(mout, out, ple2), atest = false; end
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336 % </AlgoCode>
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337 else
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338 atest = false;
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339 end
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340
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341 % Return a result structure
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342 result = utp_prepare_result(atest, stest, dbstack, mfilename);
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343 end % END UTP_14
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344
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345 end