1 /* w_asinf.c -- float version of w_asin.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_asinf.c,v 1.4 1997/10/09 11:34:04 lukem Exp $"); 19 #endif 20 21 /* 22 * wrapper asinf(x) 23 */ 24 25 26 #include "math.h" 27 #include "math_private.h" 28 29 30 #ifdef __STDC__ 31 float asinf(float x) /* wrapper asinf */ 32 #else 33 float asinf(x) /* wrapper asinf */ 34 float x; 35 #endif 36 { 37 #ifdef _IEEE_LIBM 38 return __ieee754_asinf(x); 39 #else 40 float z; 41 z = __ieee754_asinf(x); 42 if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z; 43 if(fabsf(x)>(float)1.0) { 44 /* asinf(|x|>1) */ 45 return (float)__kernel_standard((double)x,(double)x,102); 46 } else 47 return z; 48 #endif 49 } 50