%module "Math::GSL::Interp"
%include "typemaps.i"
%include "gsl_typemaps.i"
%apply double *OUTPUT { double * y, double * d, double * d2, double * result };
%{
#include "gsl/gsl_types.h"
#include "gsl/gsl_interp.h"
%}
%ignore gsl_interp_type;
%include "gsl/gsl_types.h"
%include "gsl/gsl_interp.h"
%include "../pod/Interp.pod"