Meg's Mirrors

zig

1	#include "complex_impl.h"
2
3	/* atanh = -i atan(i z) */
4
5	double complex catanh(double complex z)
6	{
7	z = catan(CMPLX(-cimag(z), creal(z)));
8	return CMPLX(cimag(z), -creal(z));
9	}