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author | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
commit | abfbdde177c3a7155070dda1b2cdc8292054cc26 (patch) | |
tree | e021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_frexp.c | |
parent | 86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff) | |
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Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_frexp.c')
-rw-r--r-- | sysdeps/libm-ieee754/s_frexp.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/sysdeps/libm-ieee754/s_frexp.c b/sysdeps/libm-ieee754/s_frexp.c deleted file mode 100644 index 7dbddfde06..0000000000 --- a/sysdeps/libm-ieee754/s_frexp.c +++ /dev/null @@ -1,64 +0,0 @@ -/* @(#)s_frexp.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_frexp.c,v 1.9 1995/05/10 20:47:24 jtc Exp $"; -#endif - -/* - * for non-zero x - * x = frexp(arg,&exp); - * return a double fp quantity x such that 0.5 <= |x| <1.0 - * and the corresponding binary exponent "exp". That is - * arg = x*2^exp. - * If arg is inf, 0.0, or NaN, then frexp(arg,&exp) returns arg - * with *exp=0. - */ - -#include "math.h" -#include "math_private.h" - -#ifdef __STDC__ -static const double -#else -static double -#endif -two54 = 1.80143985094819840000e+16; /* 0x43500000, 0x00000000 */ - -#ifdef __STDC__ - double __frexp(double x, int *eptr) -#else - double __frexp(x, eptr) - double x; int *eptr; -#endif -{ - int32_t hx, ix, lx; - EXTRACT_WORDS(hx,lx,x); - ix = 0x7fffffff&hx; - *eptr = 0; - if(ix>=0x7ff00000||((ix|lx)==0)) return x; /* 0,inf,nan */ - if (ix<0x00100000) { /* subnormal */ - x *= two54; - GET_HIGH_WORD(hx,x); - ix = hx&0x7fffffff; - *eptr = -54; - } - *eptr += (ix>>20)-1022; - hx = (hx&0x800fffff)|0x3fe00000; - SET_HIGH_WORD(x,hx); - return x; -} -weak_alias (__frexp, frexp) -#ifdef NO_LONG_DOUBLE -strong_alias (__frexp, __frexpl) -weak_alias (__frexp, frexpl) -#endif |