/* 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. * ==================================================== */ #include <sys/cdefs.h> #if defined(LIBM_SCCS) && !defined(lint) __RCSID("$NetBSD: w_j1f.c,v 1.6 2002/05/26 22:02:01 wiz Exp $"); #endif /* * wrapper of j1f,y1f */ #include "math.h" #include "math_private.h" float j1f(float x) /* wrapper j1f */ { #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 } float y1f(float x) /* wrapper y1f */ { #ifdef _IEEE_LIBM return __ieee754_y1f(x); #else float z; z = __ieee754_y1f(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,110); else /* d = zero/(x-x); */ return (float)__kernel_standard((double)x,(double)x,111); } if(x>(float)X_TLOSS) { /* y1(x>X_TLOSS) */ return (float)__kernel_standard((double)x,(double)x,137); } else return z; #endif } |