diff options
| author | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
| commit | abfbdde177c3a7155070dda1b2cdc8292054cc26 (patch) | |
| tree | e021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_ilogbl.c | |
| parent | 86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff) | |
Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_ilogbl.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_ilogbl.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/sysdeps/libm-ieee754/s_ilogbl.c b/sysdeps/libm-ieee754/s_ilogbl.c deleted file mode 100644 index d44229dcda..0000000000 --- a/sysdeps/libm-ieee754/s_ilogbl.c +++ /dev/null @@ -1,56 +0,0 @@ -/* s_ilogbl.c -- long double version of s_ilogb.c. - * Conversion to long double by Ulrich Drepper, - * Cygnus Support, drepper@cygnus.com. - */ - -/* - * ==================================================== - * 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: $"; -#endif - -/* ilogbl(long double x) - * return the binary exponent of non-zero x - * ilogbl(0) = 0x80000001 - * ilogbl(inf/NaN) = 0x7fffffff (no signal is raised) - */ - -#include "math.h" -#include "math_private.h" - -#ifdef __STDC__ - int __ilogbl(long double x) -#else - int __ilogbl(x) - long double x; -#endif -{ - int32_t es,hx,lx,ix; - - GET_LDOUBLE_EXP(es,x); - es &= 0x7fff; - if(es==0) { - GET_LDOUBLE_WORDS(es,hx,lx,x); - if((hx|lx)==0) - return FP_ILOGB0; /* ilogbl(0) = FP_ILOGB0 */ - else /* subnormal x */ - if(hx==0) { - for (ix = -16415; lx>0; lx<<=1) ix -=1; - } else { - for (ix = -16383; hx>0; hx<<=1) ix -=1; - } - return ix; - } - else if (es<0x7fff) return es-0x3fff; - else return FP_ILOGBNAN; -} -weak_alias (__ilogbl, ilogbl) |