diff options
Diffstat (limited to 'libc/math/w_coshl.c')
| -rw-r--r-- | libc/math/w_coshl.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/libc/math/w_coshl.c b/libc/math/w_coshl.c index 52b8d9352..abca8b05f 100644 --- a/libc/math/w_coshl.c +++ b/libc/math/w_coshl.c @@ -1,6 +1,7 @@ /* w_acoshl.c -- long double version of w_acosh.c. * Conversion to long double by Ulrich Drepper, * Cygnus Support, drepper@cygnus.com. + * Optimizations bu Ulrich Drepper <drepper@gmail.com>, 2011. */ /* @@ -14,34 +15,21 @@ * ==================================================== */ -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: $"; -#endif - /* * wrapper coshl(x) */ #include <math.h> -#include "math_private.h" +#include <math_private.h> -#ifdef __STDC__ - long double __coshl(long double x) /* wrapper coshl */ -#else - long double __coshl(x) /* wrapper coshl */ - long double x; -#endif +long double +__coshl (long double x) { -#ifdef _IEEE_LIBM - return __ieee754_coshl(x); -#else - long double z; - z = __ieee754_coshl(x); - if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z; - if(!__finitel(z) && __finitel(x)) { - return __kernel_standard(x,x,205); /* cosh overflow */ - } else - return z; -#endif + long double z = __ieee754_coshl (x); + if (__builtin_expect (!__finitel (z), 0) && __finitel (x) + && _LIB_VERSION != _IEEE_) + return __kernel_standard (x, x, 205); /* cosh overflow */ + + return z; } weak_alias (__coshl, coshl) |