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Diffstat (limited to 'math/w_asin.c')
| -rw-r--r-- | math/w_asin.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/math/w_asin.c b/math/w_asin.c new file mode 100644 index 0000000..d531fbd --- /dev/null +++ b/math/w_asin.c @@ -0,0 +1,49 @@ +/* @(#)w_asin.c 5.1 93/09/24 */ +/* + * ==================================================== + * 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: w_asin.c,v 1.6 1995/05/10 20:48:35 jtc Exp $"; +#endif + +/* + * wrapper asin(x) + */ + + +#include <math.h> +#include "math_private.h" + + +#ifdef __STDC__ + double __asin(double x) /* wrapper asin */ +#else + double __asin(x) /* wrapper asin */ + double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_asin(x); +#else + double z; + z = __ieee754_asin(x); + if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z; + if(fabs(x)>1.0) { + return __kernel_standard(x,x,2); /* asin(|x|>1) */ + } else + return z; +#endif +} +weak_alias (__asin, asin) +#ifdef NO_LONG_DOUBLE +strong_alias (__asin, __asinl) +weak_alias (__asin, asinl) +#endif |