diff options
Diffstat (limited to 'math/w_atan2l.c')
| -rw-r--r-- | math/w_atan2l.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/math/w_atan2l.c b/math/w_atan2l.c new file mode 100644 index 0000000..2897c8c --- /dev/null +++ b/math/w_atan2l.c @@ -0,0 +1,47 @@ +/* w_atan2l.c -- long double version of w_atan2.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 + +/* + * wrapper atan2l(y,x) + */ + +#include "math.h" +#include "math_private.h" + + +#ifdef __STDC__ + long double __atan2l(long double y, long double x) /* wrapper atan2l */ +#else + long double __atan2l(y,x) /* wrapper atan2l */ + long double y,x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_atan2l(y,x); +#else + long double z; + z = __ieee754_atan2l(y,x); + if(_LIB_VERSION != _SVID_||__isnanl(x)||__isnanl(y)) return z; + if(x==0.0&&y==0.0) + return __kernel_standard(y,x,203); /* atan2(+-0,+-0) */ + return z; +#endif +} +weak_alias (__atan2l, atan2l) |