User`s manual

Creating Fortran

MEX-Files

Fortran MEX-Files . . . . . . . . . . . . . . . . . 3-3

The Components of a Fortran MEX-File . . . . . . . . . 3-3

The %val Construct . . . . . . . . . . . . . . . . . . 3-8

Examples of Fortran MEX-Files . . . . . . . . . . . 3-9

A First Example — Passing a Scalar . . . . . . . . . . . 3-10

Passing Strings . . . . . . . . . . . . . . . . . . . 3-12

Passing Arrays of Strings . . . . . . . . . . . . . . . 3-14

Passing Matrices . . . . . . . . . . . . . . . . . . . 3-17

Passing Two or More Inputs or Outputs . . . . . . . . . 3-19

Handling Complex Data . . . . . . . . . . . . . . . . 3-22

Dynamically Allocating Memory . . . . . . . . . . . . 3-25

Handling Sparse Matrices . . . . . . . . . . . . . . . 3-28

Calling Functions from Fortran MEX-Files . . . . . . . . 3-32

Advanced Topics . . . . . . . . . . . . . . . . . . 3-36

Help Files . . . . . . . . . . . . . . . . . . . . . 3-36

Linking Multiple Files . . . . . . . . . . . . . . . . 3-36

Workspace for MEX-File Functions . . . . . . . . . . . 3-36

Memory Management . . . . . . . . . . . . . . . . . 3-37

Debugging Fortran Language MEX-Files . . . . . . . 3-38

Debugging on UNIX . . . . . . . . . . . . . . . . . 3-38

Debugging on Windows . . . . . . . . . . . . . . . . 3-39