diff options
Diffstat (limited to 'math/w_acosl.c')
| -rw-r--r-- | math/w_acosl.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/math/w_acosl.c b/math/w_acosl.c new file mode 100644 index 0000000..9ab4de8 --- /dev/null +++ b/math/w_acosl.c @@ -0,0 +1,48 @@ +/* w_acosl.c -- long double version of w_acos.c. + * Conversion to long double by Ulrich Drepper, + * Cygnus Support, drepper@cygnus.com. + */ + +/* + * ==================================================== + * 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. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: $"; +#endif + +/* + * wrap_acosl(x) + */ + +#include <math.h> +#include "math_private.h" + + +#ifdef __STDC__ + long double __acosl(long double x) /* wrapper acos */ +#else + long double __acosl(x) /* wrapper acos */ + long double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_acosl(x); +#else + long double z; + z = __ieee754_acosl(x); + if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z; + if(fabsl(x)>1.0) { + return __kernel_standard(x,x,201); /* acosl(|x|>1) */ + } else + return z; +#endif +} +weak_alias (__acosl, acosl) |