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Diffstat (limited to 'lib/msun/src/w_j1f.c')
-rw-r--r-- | lib/msun/src/w_j1f.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/msun/src/w_j1f.c b/lib/msun/src/w_j1f.c new file mode 100644 index 0000000..8ef1478 --- /dev/null +++ b/lib/msun/src/w_j1f.c @@ -0,0 +1,46 @@ +/* w_j1f.c -- float version of w_j1.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 of j1f + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ + float j1f(float x) /* wrapper j1f */ +#else + float j1f(x) /* wrapper j1f */ + float x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_j1f(x); +#else + float z; + z = __ieee754_j1f(x); + if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z; + if(fabsf(x)>(float)X_TLOSS) { + /* j1(|x|>X_TLOSS) */ + return (float)__kernel_standard((double)x,(double)x,136); + } else + return z; +#endif +} |