/usr/share/freemat/toolbox/array/isa.m is in freemat-data 4.0-5build1.
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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 | % ISA ISA Test Type of Variable
%
% Usage
%
% Tests the type of a variable. The syntax for its
% use is
%
% y = isa(x,type)
%
% where x is the variable to test, and type is
% the type. Supported built-in types are
% - '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
%
% - 'single' for 32-bit floating point numbers
%
% - 'double' for 64-bit floating point numbers
%
% - 'char' for string arrays
%
% If the argument is a user-defined type (via the class function), then
% the name of that class is returned.
% Copyright (c) 2002-2006 Samit Basu
% Licensed under the GPL
function y = isa(x,type)
if (~strcmp(typeof(type),'char'))
error('type argument to isa must be a string');
end
y = strcmp(class(x),type);
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