MATLAB REAL-TIME WORKSHOP 7 - TARGET LANGUAGE COMPILER Manuale Utente Scaricare il pdf (Pagina 61)

100

101

Creating C Language

MEX-Files

C MEX-Files . . . . . . . . . . . . . . . . . . . . 2-3

The Components of a C MEX-File . . . . . . . . . . . . 2-3

Required Arguments to a MEX-File . . . . . . . . . . . 2-5

Examples of C MEX-Files . . . . . . . . . . . . . . 2-7

A First Example — Passing a Scalar . . . . . . . . . . . 2-7

Passing Strings . . . . . . . . . . . . . . . . . . . 2-11

Passing Two or More Inputs or Outputs . . . . . . . . . 2-13

Passing Structures and Cell Arrays . . . . . . . . . . . 2-16

Handling Complex Data . . . . . . . . . . . . . . . . 2-21

Handling 8-,16-, and 32-Bit Data . . . . . . . . . . . . 2-23

Manipulating Multidimensional Numerical Arrays . . . . . 2-25

Handling Sparse Arrays . . . . . . . . . . . . . . . . 2-29

Calling Functions from C MEX-Files . . . . . . . . . . . 2-33

Advanced Topics . . . . . . . . . . . . . . . . . . 2-37

Help Files . . . . . . . . . . . . . . . . . . . . . 2-37

Linking Multiple Files . . . . . . . . . . . . . . . . 2-37

Workspace for MEX-File Functions . . . . . . . . . . . 2-37

Memory Management . . . . . . . . . . . . . . . . . 2-38

Using LAPACK and BLAS Functions . . . . . . . . . . 2-40

Debugging C Language MEX-Files . . . . . . . . . . 2-46

Debugging on UNIX . . . . . . . . . . . . . . . . . 2-46

Debugging on Windows . . . . . . . . . . . . . . . . 2-47

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MATLAB REAL-TIME WORKSHOP 7 - TARGET LANGUAGE COMPILER Manuale Utente Pagina 61

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