* STD C++ complex typemaps
/* defining the complex as/from converters */
%swig_cplxdbl_convn(std::complex<double>,
std::complex<double>, std::real, std::imag)
%swig_cplxflt_convn(std::complex<float>,
std::complex<float>, std::real, std::imag)
%typemap_primitive(SWIG_CCode(CPLXDBL), std::complex<double>);
%typemap_primitive(SWIG_CCode(CPLXFLT), std::complex<float>);