The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
%module "Math::GSL::Multifit"

%include "typemaps.i"
%include "gsl_typemaps.i"
%apply double *OUTPUT { double * y, double * y_err, double * chisq,  size_t * rank};

%{
    #include "gsl/gsl_types.h"
    #include "gsl/gsl_multifit.h"
    #include "gsl/gsl_multifit_nlin.h"
%}

%include "gsl/gsl_types.h"
%include "gsl/gsl_multifit.h"
%include "gsl/gsl_multifit_nlin.h"
%include "../pod/Multifit.pod"