root/src/system/libroot/posix/musl/complex/ctanl.c
#include "complex_impl.h"

#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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