#include "complex_impl.h"/* atanh = -i atan(i z) */double complex catanh(double complex z){z = catan(CMPLX(-cimag(z), creal(z)));return CMPLX(cimag(z), -creal(z));}
#include "complex_impl.h"/* atanh = -i atan(i z) */double complex catanh(double complex z){z = catan(CMPLX(-cimag(z), creal(z)));return CMPLX(cimag(z), -creal(z));}