diff options
Diffstat (limited to 'sysdeps/libm-ieee754/w_j0.c')
| -rw-r--r-- | sysdeps/libm-ieee754/w_j0.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sysdeps/libm-ieee754/w_j0.c b/sysdeps/libm-ieee754/w_j0.c new file mode 100644 index 0000000000..1486c14cfd --- /dev/null +++ b/sysdeps/libm-ieee754/w_j0.c @@ -0,0 +1,71 @@ +/* @(#)w_j0.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_j0.c,v 1.6 1995/05/10 20:49:11 jtc Exp $"; +#endif + +/* + * wrapper j0(double x), y0(double x) + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ + double __j0(double x) /* wrapper j0 */ +#else + double __j0(x) /* wrapper j0 */ + double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_j0(x); +#else + double z = __ieee754_j0(x); + if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z; + if(fabs(x)>X_TLOSS) { + return __kernel_standard(x,x,34); /* j0(|x|>X_TLOSS) */ + } else + return z; +#endif +} +weak_alias (__j0, j0) + +#ifdef __STDC__ + double __y0(double x) /* wrapper y0 */ +#else + double __y0(x) /* wrapper y0 */ + double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_y0(x); +#else + double z; + z = __ieee754_y0(x); + if(_LIB_VERSION == _IEEE_ || __isnan(x) ) return z; + if(x <= 0.0){ + if(x==0.0) + /* d= -one/(x-x); */ + return __kernel_standard(x,x,8); + else + /* d = zero/(x-x); */ + return __kernel_standard(x,x,9); + } + if(x>X_TLOSS) { + return __kernel_standard(x,x,35); /* y0(x>X_TLOSS) */ + } else + return z; +#endif +} +weak_alias (__y0, y0) |