diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_isnan.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_isnan.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/sysdeps/libm-ieee754/s_isnan.c b/sysdeps/libm-ieee754/s_isnan.c deleted file mode 100644 index 1aed525af1..0000000000 --- a/sysdeps/libm-ieee754/s_isnan.c +++ /dev/null @@ -1,43 +0,0 @@ -/* @(#)s_isnan.c 5.1 93/09/24 */ -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: s_isnan.c,v 1.8 1995/05/10 20:47:36 jtc Exp $"; -#endif - -/* - * isnan(x) returns 1 is x is nan, else 0; - * no branching! - */ - -#include "math.h" -#include "math_private.h" - -#ifdef __STDC__ - int __isnan(double x) -#else - int __isnan(x) - double x; -#endif -{ - int32_t hx,lx; - EXTRACT_WORDS(hx,lx,x); - hx &= 0x7fffffff; - hx |= (u_int32_t)(lx|(-lx))>>31; - hx = 0x7ff00000 - hx; - return (int)((u_int32_t)(hx))>>31; -} -weak_alias (__isnan, isnan) -#ifdef NO_LONG_DOUBLE -strong_alias (__isnan, __isnanl) -weak_alias (__isnan, isnanl) -#endif |