// tanh(). // General includes. #include "cl_sysdep.h" // Specification. #include "cl_real.h" // Implementation. MAYBE_INLINE const cl_R tanh (const cl_R& x) { // Methode: // (/ (sinh x) (cosh x)) var cl_cosh_sinh_t hyp = cl_cosh_sinh(x); return hyp.sinh / hyp.cosh; }