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author | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
commit | abfbdde177c3a7155070dda1b2cdc8292054cc26 (patch) | |
tree | e021306b596381fbf8311d2b7eb294e918ff17c8 /math/w_j0.c | |
parent | 86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff) | |
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Update.
Diffstat (limited to 'math/w_j0.c')
-rw-r--r-- | math/w_j0.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/math/w_j0.c b/math/w_j0.c new file mode 100644 index 0000000000..5a018760bb --- /dev/null +++ b/math/w_j0.c @@ -0,0 +1,76 @@ +/* @(#)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 +} +#ifdef NO_LONG_DOUBLE +strong_alias (j0, j0l) +#endif + + +#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 +} +#ifdef NO_LONG_DOUBLE +strong_alias (y0, y0l) +#endif |