diff options
Diffstat (limited to 'sysdeps/libm-ieee754/w_j1.c')
| -rw-r--r-- | sysdeps/libm-ieee754/w_j1.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sysdeps/libm-ieee754/w_j1.c b/sysdeps/libm-ieee754/w_j1.c new file mode 100644 index 0000000000..9d09f0d080 --- /dev/null +++ b/sysdeps/libm-ieee754/w_j1.c @@ -0,0 +1,72 @@ +/* @(#)w_j1.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_j1.c,v 1.6 1995/05/10 20:49:15 jtc Exp $"; +#endif + +/* + * wrapper of j1,y1 + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ + double __j1(double x) /* wrapper j1 */ +#else + double __j1(x) /* wrapper j1 */ + double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_j1(x); +#else + double z; + z = __ieee754_j1(x); + if(_LIB_VERSION == _IEEE_ || __isnan(x) ) return z; + if(fabs(x)>X_TLOSS) { + return __kernel_standard(x,x,36); /* j1(|x|>X_TLOSS) */ + } else + return z; +#endif +} +weak_alias (__j1, j1) + +#ifdef __STDC__ + double __y1(double x) /* wrapper y1 */ +#else + double __y1(x) /* wrapper y1 */ + double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_y1(x); +#else + double z; + z = __ieee754_y1(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,10); + else + /* d = zero/(x-x); */ + return __kernel_standard(x,x,11); + } + if(x>X_TLOSS) { + return __kernel_standard(x,x,37); /* y1(x>X_TLOSS) */ + } else + return z; +#endif +} +weak_alias (__y1, y1) |