1 /* w_hypotf.c -- float version of w_hypot.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_hypotf.c,v 1.6 2002/05/26 22:02:01 wiz Exp $"); 19 #endif 20 21 /* 22 * wrapper hypotf(x,y) 23 */ 24 25 #include "math.h" 26 #include "math_private.h" 27 28 29 float 30 hypotf(float x, float y) /* wrapper hypotf */ 31 { 32 #ifdef _IEEE_LIBM 33 return __ieee754_hypotf(x,y); 34 #else 35 float z; 36 z = __ieee754_hypotf(x,y); 37 if(_LIB_VERSION == _IEEE_) return z; 38 if((!finitef(z))&&finitef(x)&&finitef(y)) 39 /* hypot overflow */ 40 return (float)__kernel_standard((double)x,(double)y,104); 41 else 42 return z; 43 #endif 44 } 45