src/complex/cacosl.c

   1 #include "libm.h"
   2
   3 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
   4 long double complex cacosl(long double complex z)
   5 {
   6         return cacos(z);
   7 }
   8 #else
   9 // FIXME
  10 #define PI_2 1.57079632679489661923132169163975144L
  11 long double complex cacosl(long double complex z)
  12 {
  13         z = casinl(z);
  14         return CMPLXL(PI_2 - creall(z), -cimagl(z));
  15 }
  16 #endif