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* sysdeps/i386/ldbl2mpn.c (__mpn_extract_long_double): Handle the
	pseudo denormal representation of LDBL_MIN.

	* configure.in: Correct test for pserver CVS access.
This commit is contained in:
Ulrich Drepper 2000-12-04 01:20:04 +00:00
parent 76aecea11d
commit 8cd806cfc8
2 changed files with 19 additions and 3 deletions
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5
ChangeLog
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@ -1,5 +1,8 @@
2000-12-03 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/ldbl2mpn.c (__mpn_extract_long_double): Handle the
pseudo denormal representation of LDBL_MIN.
* iconvdata/SJIS.irreversible: Remove unnecessary entries.
* iconvdata/EUC-JP.irreversible: Remove unnecessary entries.
@ -45,7 +48,7 @@
2000-12-01 Ulrich Drepper <drepper@redhat.com>
* configure.in: Correct test for pserver CVS access.cc
* configure.in: Correct test for pserver CVS access.
2000-11-28 H.J. Lu <hjl@gnu.org>

17
sysdeps/i386/ldbl2mpn.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -87,13 +87,26 @@ __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size,
}
*expt = LDBL_MIN_EXP - 1 - cnt;
}
else
else if (res_ptr[0] != 0)
{
count_leading_zeros (cnt, res_ptr[0]);
res_ptr[N - 1] = res_ptr[0] << cnt;
res_ptr[0] = 0;
*expt = LDBL_MIN_EXP - 1 - BITS_PER_MP_LIMB - cnt;
}
else
{
/* This is the special case of the pseudo denormal number
with only the implicit leading bit set. The value is
in fact a normal number and so we have to treat this
case differently. */
#if N == 2
res_ptr[N - 1] = 0x80000000ul;
#else
res_ptr[0] = 0x8000000000000000ul;
#endif
*expt = LDBL_MIN_EXP - 1;
}
}
}