| #include "libm.h" | |
| #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 | |
| long double complex cacosl(long double complex z) { | |
| return cacos(z); | |
| } | |
| #else | |
| // FIXME | |
| #define PI_2 1.57079632679489661923132169163975144L | |
| long double complex cacosl(long double complex z) { | |
| z = casinl(z); | |
| return CMPLXL(PI_2 - creall(z), -cimagl(z)); | |
| } | |
| #endif |