w_j0f.c (1023B)
1 /* w_j0f.c -- float version of w_j0.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 #ifndef lint 17 static char rcsid[] = "$FreeBSD: src/lib/msun/src/w_j0f.c,v 1.8 2002/05/28 18:15:04 alfred Exp $"; 18 #endif 19 20 /* 21 * wrapper j0f(float x) 22 */ 23 24 #include "math.h" 25 #include "math_private.h" 26 27 float 28 j0f(float x) /* wrapper j0f */ 29 { 30 #ifdef _IEEE_LIBM 31 return __ieee754_j0f(x); 32 #else 33 float z = __ieee754_j0f(x); 34 if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z; 35 if(fabsf(x)>(float)X_TLOSS) { 36 /* j0f(|x|>X_TLOSS) */ 37 return (float)__kernel_standard((double)x,(double)x,134); 38 } else 39 return z; 40 #endif 41 }