diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/s_isnan.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_isnan.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_isnan.c b/sysdeps/ieee754/dbl-64/s_isnan.c deleted file mode 100644 index 2174d988d8..0000000000 --- a/sysdeps/ieee754/dbl-64/s_isnan.c +++ /dev/null @@ -1,44 +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> -#include <shlib-compat.h> - -#undef __isnan -int -__isnan (double x) -{ - 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); -} -hidden_def (__isnan) -weak_alias (__isnan, isnan) -#ifdef NO_LONG_DOUBLE -# if defined LDBL_CLASSIFY_COMPAT && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_23) -compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0); -# endif -weak_alias (__isnan, isnanl) -#endif |