diff options
Diffstat (limited to 'math/w_coshl_compat.c')
-rw-r--r-- | math/w_coshl_compat.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/math/w_coshl_compat.c b/math/w_coshl_compat.c new file mode 100644 index 0000000000..27f0a4f4c3 --- /dev/null +++ b/math/w_coshl_compat.c @@ -0,0 +1,35 @@ +/* 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. + */ + +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +/* + * wrapper coshl(x) + */ + +#include <math.h> +#include <math_private.h> + +long double +__coshl (long double x) +{ + long double z = __ieee754_coshl (x); + if (__builtin_expect (!isfinite (z), 0) && isfinite (x) + && _LIB_VERSION != _IEEE_) + return __kernel_standard_l (x, x, 205); /* cosh overflow */ + + return z; +} +weak_alias (__coshl, coshl) |