/usr/share/SBMLToolbox/Convenience/isIntegralNumber.m is in sbmltoolbox 4.1.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | function value = isIntegralNumber(number)
% y = isIntegralNumber(number)
%
% Takes
%
% 1. number, any number
%
% Returns
%
% 1. y =
% - 1 if the number represents an integer
% - 0 otherwise
%
% *EXAMPLE:*
%
% y = isIntegralNumber(int32(3))
% y = 1
%
% y = isIntegralNumber(double(3.2))
% y = 0
%
% y = isIntegralNumber(double(3))
% y = 1
%
% *NOTE:* The inbuilt 'isinteger' function only returns true if the number
% has been declared as having an integer type, whereas the default type for numbers
% in MATLAB is double. This function will return '1' if the number
% represents an integer.
%
%<!---------------------------------------------------------------------------
% This file is part of SBMLToolbox. Please visit http://sbml.org for more
% information about SBML, and the latest version of SBMLToolbox.
%
% Copyright (C) 2009-2012 jointly by the following organizations:
% 1. California Institute of Technology, Pasadena, CA, USA
% 2. EMBL European Bioinformatics Institute (EBML-EBI), Hinxton, UK
%
% Copyright (C) 2006-2008 jointly by the following organizations:
% 1. California Institute of Technology, Pasadena, CA, USA
% 2. University of Hertfordshire, Hatfield, UK
%
% Copyright (C) 2003-2005 jointly by the following organizations:
% 1. California Institute of Technology, Pasadena, CA, USA
% 2. Japan Science and Technology Agency, Japan
% 3. University of Hertfordshire, Hatfield, UK
%
% SBMLToolbox is free software; you can redistribute it and/or modify it
% under the terms of the GNU Lesser General Public License as published by
% the Free Software Foundation. A copy of the license agreement is provided
% in the file named "LICENSE.txt" included with this software distribution.
%----------------------------------------------------------------------- -->
value = 0;
integerClasses = {'int8', 'uint8', 'int16', 'uint16', 'int32', 'uint32', 'int64', 'uint64'};
% since the function isinteger does not exist in MATLAB Rel 13
% this is not used
%if (isinteger(number))
if (ismember(class(number), integerClasses))
value = 1;
elseif (isnumeric(number))
% if it is an integer
if (number == fix(number))
value = 1;
end;
end;
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