/usr/share/freemat/toolbox/array/cast.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 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 71 72 73 74 75 76 77 78 79 80 | % CAST CAST Typecast Variable to Specified Type
%
% Usage
%
% The cast function allows you to typecast a variable from one
% type to another. The syntax for its use is
%
% y = cast(x,toclass)
%
% where toclass is the name of the class to cast x to. Note
% that the typecast must make sense, and that toclass must be
% one of the builtin types. The current list of supported types is
% - 'cell' for cell-arrays
%
% - 'struct' for structure-arrays
%
% - 'logical' for logical arrays
%
% - 'uint8' for unsigned 8-bit integers
%
% - 'int8' for signed 8-bit integers
%
% - 'uint16' for unsigned 16-bit integers
%
% - 'int16' for signed 16-bit integers
%
% - 'uint32' for unsigned 32-bit integers
%
% - 'int32' for signed 32-bit integers
%
% - 'uint64' for unsigned 64-bit integers
%
% - 'int64' for signed 64-bit integers
%
% - 'float' for 32-bit floating point numbers
%
% - 'single' is a synonym for 'float'
%
% - 'double' for 64-bit floating point numbers
%
% - 'char' for string arrays
%
% Copyright (c) 2002-2007 Samit Basu
% Licensed under the GPL
function y = cast(a,toclass)
switch(toclass)
case 'cell'
y = cell(a);
case 'struct'
y = struct(a);
case 'logical'
y = logical(a);
case 'uint8'
y = uint8(a);
case 'int8'
y = int8(a);
case 'uint16'
y = uint16(a);
case 'int16'
y = int16(a);
case 'uint32'
y = uint32(a);
case 'int32'
y = int32(a);
case 'uint64'
y = uint64(a);
case 'int64'
y = int64(a);
case {'float','single'}
y = float(a);
case 'double'
y = double(a);
case 'char'
y = char(a);
otherwise
error(['Unsupported class ' toclass ' requested in typecast'])
end
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