// cis(). // General includes. #include "cl_sysdep.h" // Specification. #include "cln/complex.h" // Implementation. #include "cl_C.h" #include "cln/real.h" namespace cln { const cl_N cis (const cl_R& x) { // Methode: // (complex (cos x) (sin x)) var cos_sin_t trig = cos_sin(x); return complex(trig.cos, trig.sin); } } // namespace cln