1/* w_j1f.c -- float version of w_j1.c. 2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. 3 */ 4 5/* 6 * ==================================================== 7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 8 * 9 * Developed at SunPro, a Sun Microsystems, Inc. business. 10 * Permission to use, copy, modify, and distribute this 11 * software is freely granted, provided that this notice 12 * is preserved. 13 * ==================================================== 14 */ 15 16#include <sys/cdefs.h> 17#if defined(LIBM_SCCS) && !defined(lint) 18__RCSID("$NetBSD: w_j1f.c,v 1.5 1999/07/02 15:37:44 simonb Exp $"); 19#endif 20 21/* 22 * wrapper of j1f,y1f 23 */ 24 25#include "math.h" 26#include "math_private.h" 27 28float 29j1f(float x) /* wrapper j1f */ 30{ 31#ifdef _IEEE_LIBM 32 return __ieee754_j1f(x); 33#else 34 float z; 35 z = __ieee754_j1f(x); 36 if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z; 37 if(fabsf(x)>(float)X_TLOSS) { 38 /* j1(|x|>X_TLOSS) */ 39 return (float)__kernel_standard((double)x,(double)x,136); 40 } else 41 return z; 42#endif 43} 44 45float 46y1f(float x) /* wrapper y1f */ 47{ 48#ifdef _IEEE_LIBM 49 return __ieee754_y1f(x); 50#else 51 float z; 52 z = __ieee754_y1f(x); 53 if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z; 54 if(x <= (float)0.0){ 55 if(x==(float)0.0) 56 /* d= -one/(x-x); */ 57 return (float)__kernel_standard((double)x,(double)x,110); 58 else 59 /* d = zero/(x-x); */ 60 return (float)__kernel_standard((double)x,(double)x,111); 61 } 62 if(x>(float)X_TLOSS) { 63 /* y1(x>X_TLOSS) */ 64 return (float)__kernel_standard((double)x,(double)x,137); 65 } else 66 return z; 67#endif 68} 69