Update.

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

	* configure.in: Correct test for pserver CVS access.

diff --git a/ChangeLog b/ChangeLog
index a7f4ba4..92809c5 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -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>
 

diff --git a/sysdeps/i386/ldbl2mpn.c b/sysdeps/i386/ldbl2mpn.c
index 631fe2e..386cf19 100644 (file)
--- a/sysdeps/i386/ldbl2mpn.c
+++ b/sysdeps/i386/ldbl2mpn.c
@@ -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;
+           }
        }
     }