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Diffstat (limited to 'lib/msun/src/w_j0.c')
-rw-r--r-- | lib/msun/src/w_j0.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/msun/src/w_j0.c b/lib/msun/src/w_j0.c new file mode 100644 index 0000000..e1a4f85 --- /dev/null +++ b/lib/msun/src/w_j0.c @@ -0,0 +1,41 @@ +/* @(#)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. + * ==================================================== + */ + +#ifndef lint +static char rcsid[] = "$FreeBSD$"; +#endif + +/* + * wrapper j0(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 +} |