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 #if defined(LIBM_SCCS) && !defined(lint) 17 static char rcsid[] = "$Id: w_asinf.c,v 1.2 1994/09/22 16:45:24 jtc Exp $"; 18 #endif 19 20 /* 21 * wrapper asinf(x) 22 */ 23 24 25 #include "math.h" 26 #include "math_private.h" 27 28 29 #ifdef __STDC__ 30 float asinf(float x) /* wrapper asinf */ 31 #else 32 float asinf(x) /* wrapper asinf */ 33 float x; 34 #endif 35 { 36 #ifdef _IEEE_LIBM 37 return __ieee754_asinf(x); 38 #else 39 float z; 40 z = __ieee754_asinf(x); 41 if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z; 42 if(fabsf(x)>(float)1.0) { 43 /* asinf(|x|>1) */ 44 return (float)__kernel_standard((double)x,(double)x,102); 45 } else 46 return z; 47 #endif 48 } 49