MATLAB COMPILER RELEASE NOTES User's Guide download pdf (Page 617)

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101

Programming

21-27

Compatibility Considerations

If any of your programs use lower-level MATLAB file I/O functions that send output to

stdin, because these functions no longer ignore this type of operation, your code will

now generate an error. You should modify your program code to use a file identifier other

than zero.

Assigning Nonscalar Structure Array Fields to a Single Variable

In the R14 and R14 service pack releases of MATLAB, assigning a nonscalar structure

array field to a single variable incorrectly resulted in an error. For example, in the

following code, you should be able to assign S.A to one, two, three, or four output

variables. However, if you assign to just a single variable, MATLAB throws an error:

% Create a 1-by-4 structure array S with field A.

S(1).A = 1; S(2).A = 2; S(3).A = 3; S(4).A = 4;

% Assigning S(1).A and S(2).A works as expected.

[x y] = S.A

x =

y =

% Assigning only S(1).A should work, but does not.

x = S.A;

??? Illegal right hand side in assignment. Too many elements.

This has been fixed in MATLAB 7.3.

Compatibility Considerations

If any of your programs rely on this error being thrown, you will need to modify those

programs.

Comma Separators Not Required in Function Declaration

As of Release 14, the function definition line in a function M-file no longer requires

commas separating output variables. This now makes the function definition syntax the

same as the syntax used when calling an M-file function:

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