reactos/lib/crtdll/math/acosh.c

   1 /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
   2 #include <msvcrt/math.h>
   3
   4
   5 double acosh(double x)
   6 {
   7     return log(x + sqrt(x*x - 1));
   8 }