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1 ## Copyright (C) 2001, 2002 Teemu Ikonen |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 2, or (at your option) |
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8 ## any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, write to the Free |
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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18 ## 02111-1307, USA. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} __errcomm__ (@var{args}) |
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22 ## Common argument handling code for all error plots (errorbar, loglogerr, |
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23 ## semilogyerr, semilogxerr). |
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24 ## |
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25 ## @end deftypefn |
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26 ## @seealso{errorbar, semilogxerr, semilogyerr, loglogerr, __pltopt__} |
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27 |
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28 ## Created: 20.02.2001 |
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29 ## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi> |
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30 ## Keywords: errorbar, plotting |
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31 |
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32 function __errcomm__ (caller, varargin) |
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33 |
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34 nargs = nargin (); |
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35 |
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36 if (nargs < 3) |
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37 usage ("%s (...)", caller); |
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38 endif |
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39 |
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40 nargs--; |
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41 save_hold = ishold; |
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42 unwind_protect |
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43 if (! ishold) |
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44 clg |
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45 endif |
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46 hold on; |
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47 k = 1; |
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48 while (nargs-- > 0) |
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49 a = varargin{k++}; |
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50 nargs--; |
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51 if (isvector (a)) |
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52 a = a(:); |
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53 elseif (ismatrix (a)) |
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54 ; |
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55 else |
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56 usage ("%s (...)", caller); |
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57 endif |
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58 sz = size (a); |
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59 ndata = 1; |
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60 arg1 = a; |
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61 while (nargs-- > 0) |
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62 a = varargin{k++}; |
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63 if (isstr (a)) |
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64 fmt = a; |
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65 cmd = "__errplot__ (arg1"; |
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66 for i = 2:ndata, |
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67 cmd = sprintf ("%s, arg%d", cmd, i); |
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68 endfor |
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69 eval (sprintf ("%s, fmt);", cmd)); |
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70 break; |
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71 elseif (isvector (a)) |
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72 a = a(:); |
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73 elseif (ismatrix (a)) |
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74 ; |
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75 else |
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76 error ("wrong argument types"); |
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77 endif |
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78 if (size (a) != sz) |
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79 error ("argument sizes do not match"); |
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80 endif |
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81 ndata++; |
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82 eval (sprintf ("arg%d = a;", ndata)); |
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83 if (ndata > 6) |
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84 error ("too many arguments to a plot"); |
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85 endif |
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86 endwhile |
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87 endwhile |
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88 |
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89 if (! isstr (a)) |
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90 fmt = "~"; |
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91 cmd = "__errplot__ (arg1"; |
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92 for i = 2:ndata, |
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93 cmd = sprintf ("%s, arg%d", cmd, i); |
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94 endfor |
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95 eval (sprintf ("%s, fmt);", cmd)); |
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96 endif |
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97 unwind_protect_cleanup |
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98 if (! save_hold) |
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99 hold off; |
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100 endif |
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101 end_unwind_protect |
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102 |
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103 endfunction |
