Re: Need tests for new MEX interface functions run in recent version of Matlab

[John W. Eaton]

On 1/14/20 7:27 PM, Kai Torben Ohlhus wrote:

> > > mex -r2018a mextst.c
> Building with 'gcc'.
> Warning: You are using gcc version '7.5.0'. The version of gcc is not
> supported. The version currently supported with MEX is '6.3.x'. For a
> list of currently supported compilers see:
> https://www.mathworks.com/support/compilers/current_release.
> MEX completed successfully.
>
> > > mextst ([1, 2])
> mxGetPr:       1.000000, 2.000000
> mxGetDoubles:  1.000000, 2.000000
>
> > > mextst ([1+i, 2+2i])
> Error using mextst
> Array must not be complex.
>
> %% Commenting out "//pr = mxGetPr" + following line and recompile
>
> > > mextst ([1+i, 2+2i])
>
> %% MATLAB CRASH!!!!
>
> %% Commenting out "//d = mxGetDoubles" + following line and recompile

Does mxGetDoubles return NULL in this case?  Still, the documentation 
only says it will do that if you built a standalone application, not a 
mex function.

jwe