How to call a .mexw64 file in a .m function? / MEX workflow

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Chris L'Esperance
Chris L'Esperance 2012-10-10
评论： James Tursa 2014-6-18
Hi there,
I have built a MEX-compatible .c file, compiled it with a suitable compiler, tested it, and generated a .mexw64 file.
I would like to call the MEX function from a .m function, so I tentatively add the path .../project/mex/ ; this is where the .mexw64 file has been placed.
I call the mex file from a .m function which resides at .../project/m/ simply by the filename, as if it were an internal funtion e.g.
chk = calcChecksum(line);
I'm curious about the following:
1) Does this seem like a reasonable approach?
2) Must I do anything to setup the ability to call MEX functions prior to the call?
3) When one does the typical
mex -setup
<choose compiler>
mex '...\project\c\calcChecksum.c'
where is the .mexw64 (or equivalent) file written?
Thanks,
Chris

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Kaustubha Govind
Kaustubha Govind 2012-10-10
编辑：Kaustubha Govind 2012-10-10
  1. Yes, this is the correct approach.
  2. No, you don't need to set anything up, other than adding the directory containing the .mexw64 file to the MATLAB path.
  3. Typically the MEX binary gets generated into the directory that you run the MEX command from (unless you use the "-outdir dirname" option with the mex command).
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Hsiu
Hsiu 2014-6-18
Hi! I'm sorry to hijack this thread, but I was wondering what to do if it is the opposite case? Basically if I want a .m file from .mexw64. Thank you!
James Tursa
James Tursa 2014-6-18
You should probably start a new Question. Also, not sure what you are asking ... turning a mexw64 file into an m-file (not possible), or using a mexw64 file to call an m-file (is possible).

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