aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/libm-ieee754/s_frexp.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_frexp.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
downloadglibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar
glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.gz
glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.bz2
glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.zip
Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_frexp.c')
-rw-r--r--sysdeps/libm-ieee754/s_frexp.c64
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