#include "libm.h"

#ifdef LONG_DOUBLE_IS_BINARY64
long double complex ctanl(long double complex z)
{
	return ctan(z);
}
#else
long double complex ctanl(long double complex z)
{
	z = ctanhl(CMPLXL(-cimagl(z), creall(z)));
	return CMPLXL(cimagl(z), -creall(z));
}
#endif