This file is indexed.

/usr/share/freemat/toolbox/array/isinteger.m is in freemat-data 4.0-5.

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
% ISINTEGER ISINTEGER Test for Integer Array
% 
% Usage
% 
% The syntax for isinteger is
% 
%   x = isinteger(y)
% 
% and it returns a logical 1 if the argument is an integer.
% The decision of whether the argument is an integer or not
% is made based on the class of y, not on its value.

% Copyright (c) 2002-2007 Samit Basu
% Licensed under the GPL

function x = isinteger(y)
  x = any(strcmp({'uint8','int8','uint16','int16','uint32','int32','uint64','int64'},class(y)));