| #include "libm.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 |