annotate _chordtools/interval2degree.m @ 9:4ea6619cb3f5 tip

removed log files
author matthiasm
date Fri, 11 Apr 2014 15:55:11 +0100
parents b5b38998ef3b
children
rev   line source
matthiasm@8 1 %
matthiasm@8 2 % INTERVAL2DEGREE
matthiasm@8 3 %
matthiasm@8 4 % [degree,success,errormessage] = interval2degree(interval,accidentals,{verbose})
matthiasm@8 5 %
matthiasm@8 6 % Converts an interval and accidental pair to a degree string.
matthiasm@8 7 %
matthiasm@8 8 % Success = 1 if interval converted correctly, 0 otherwise.
matthiasm@8 9 %
matthiasm@8 10 % If optional argument 'verbose' is 1, function prints any errormessage to
matthiasm@8 11 % the screen.
matthiasm@8 12 %
matthiasm@8 13 % returns: degree (string)
matthiasm@8 14 % success (boolean)
matthiasm@8 15 % errormessage (string)
matthiasm@8 16 %
matthiasm@8 17 % Author: Christopher Harte, August 2005
matthiasm@8 18 %
matthiasm@8 19 % Copyright: Centre for Digital Music, Queen Mary University of London 2005
matthiasm@8 20 %
matthiasm@8 21 % This file is part of the C4DM Chord Toolkit.
matthiasm@8 22 %
matthiasm@8 23 % The C4DM Chord Toolkit is free software; you can redistribute it and/or
matthiasm@8 24 % modify it under the terms of the GNU General Public License as published
matthiasm@8 25 % by the Free Software Foundation; either version 2 of the License, or
matthiasm@8 26 % (at your option) any later version.
matthiasm@8 27 %
matthiasm@8 28 % The C4DM Chord Toolkit is distributed in the hope that it will be useful,
matthiasm@8 29 % but WITHOUT ANY WARRANTY; without even the implied warranty of
matthiasm@8 30 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
matthiasm@8 31 % GNU General Public License for more details.
matthiasm@8 32 %
matthiasm@8 33 % You should have received a copy of the GNU General Public License
matthiasm@8 34 % along with the C4DM Toolkit; if not, write to the Free Software
matthiasm@8 35 % Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
matthiasm@8 36
matthiasm@8 37 %
matthiasm@8 38 function [degree,success,errormessage] = interval2degree(interval,accidentals, verbose)
matthiasm@8 39
matthiasm@8 40 % set verbose default to 0
matthiasm@8 41 if nargin < 3
matthiasm@8 42 verbose = 0;
matthiasm@8 43 end
matthiasm@8 44
matthiasm@8 45 errormessage = '';
matthiasm@8 46
matthiasm@8 47
matthiasm@8 48 success = 1;
matthiasm@8 49 degree = '';
matthiasm@8 50
matthiasm@8 51
matthiasm@8 52 if accidentals >=1
matthiasm@8 53 % then the interval is either a natural or has a number of sharps
matthiasm@8 54 if accidentals ~= 0
matthiasm@8 55 for index = 1:accidentals
matthiasm@8 56 degree = [degree '#'];
matthiasm@8 57 end
matthiasm@8 58 end
matthiasm@8 59
matthiasm@8 60 else
matthiasm@8 61 % then the interval has a number of flats
matthiasm@8 62
matthiasm@8 63 for index = 1:abs(accidentals)
matthiasm@8 64
matthiasm@8 65 degree = [degree 'b'];
matthiasm@8 66 end
matthiasm@8 67
matthiasm@8 68 end
matthiasm@8 69
matthiasm@8 70 if isnumeric(interval)
matthiasm@8 71
matthiasm@8 72 intervalstring = num2str(interval);
matthiasm@8 73 degree = [degree intervalstring];
matthiasm@8 74
matthiasm@8 75 else
matthiasm@8 76 success = 0;
matthiasm@8 77 errormessage = 'Error in interval2degree: incorrect interval';
matthiasm@8 78 end
matthiasm@8 79
matthiasm@8 80 if (success == 0) && (verbose == 1)
matthiasm@8 81 fprintf(1,errormessage);
matthiasm@8 82 end
matthiasm@8 83
matthiasm@8 84