__MATHDECL
__MATHDECL (_Mdouble_,cabs, (_Mdouble_complex_ __z));
__MATHDECL (_Mdouble_,carg, (_Mdouble_complex_ __z));
__MATHDECL (_Mdouble_,cimag, (_Mdouble_complex_ __z));
__MATHDECL (_Mdouble_,creal, (_Mdouble_complex_ __z));
__MATHDECL (_Mdouble_complex_,function, args)