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author | bde <bde@FreeBSD.org> | 1997-02-20 13:35:15 +0000 |
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committer | bde <bde@FreeBSD.org> | 1997-02-20 13:35:15 +0000 |
commit | a9570d9f942c778c099c84d08f34773b14f0d9c8 (patch) | |
tree | 968171ff9ded709c4e63152a09c3e290b805168b /lib/msun/src/w_y0f.c | |
parent | 0071d9dabbe23115ee60715fbeba793f63803d49 (diff) | |
download | FreeBSD-src-a9570d9f942c778c099c84d08f34773b14f0d9c8.zip FreeBSD-src-a9570d9f942c778c099c84d08f34773b14f0d9c8.tar.gz |
Split up the Bessel function wrapper files so that most wrapper functions
are in their own file.
Diffstat (limited to 'lib/msun/src/w_y0f.c')
-rw-r--r-- | lib/msun/src/w_y0f.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/msun/src/w_y0f.c b/lib/msun/src/w_y0f.c new file mode 100644 index 0000000..a716441 --- /dev/null +++ b/lib/msun/src/w_y0f.c @@ -0,0 +1,54 @@ +/* w_y0f.c -- float version of w_y0.c. + * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@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. + * ==================================================== + */ + +#ifndef lint +static char rcsid[] = "$FreeBSD$"; +#endif + +/* + * wrapper y0f(float x) + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ + float y0f(float x) /* wrapper y0f */ +#else + float y0f(x) /* wrapper y0f */ + float x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_y0f(x); +#else + float z; + z = __ieee754_y0f(x); + if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z; + if(x <= (float)0.0){ + if(x==(float)0.0) + /* d= -one/(x-x); */ + return (float)__kernel_standard((double)x,(double)x,108); + else + /* d = zero/(x-x); */ + return (float)__kernel_standard((double)x,(double)x,109); + } + if(x>(float)X_TLOSS) { + /* y0(x>X_TLOSS) */ + return (float)__kernel_standard((double)x,(double)x,135); + } else + return z; +#endif +} |