Update the in-tree GMP; fixes trac #832

[ghc-hetmet.git] / rts / gmp / insert-dbl.c

diff --git a/rts/gmp/insert-dbl.c b/rts/gmp/insert-dbl.c
deleted file mode 100644 (file)
index dc88a56..0000000
--- a/rts/gmp/insert-dbl.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* __gmp_insert_double -- convert from array of mp_limb_t to double.
-
-Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
-
-This file is part of the GNU MP Library.
-
-The GNU MP Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or (at your
-option) any later version.
-
-The GNU MP Library is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
-License for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-MA 02111-1307, USA. */
-
-#include "gmp.h"
-#include "gmp-impl.h"
-
-#ifdef XDEBUG
-#undef _GMP_IEEE_FLOATS
-#endif
-
-#ifndef _GMP_IEEE_FLOATS
-#define _GMP_IEEE_FLOATS 0
-#endif
-
-double
-#if __STDC__
-__gmp_scale2 (double d, int exp)
-#else
-__gmp_scale2 (d, exp)
-     double d;
-     int exp;
-#endif
-{
-#if _GMP_IEEE_FLOATS
-  {
-#if defined (__alpha) && __GNUC__ == 2 && __GNUC_MINOR__ == 8
-    /* Work around alpha-specific bug in GCC 2.8.x.  */
-    volatile
-#endif
-    union ieee_double_extract x;
-    x.d = d;
-    exp += x.s.exp;
-    x.s.exp = exp;
-    if (exp >= 2047)
-      {
-       /* Return +-infinity */
-       x.s.exp = 2047;
-       x.s.manl = x.s.manh = 0;
-      }
-    else if (exp < 1)
-      {
-       x.s.exp = 1;            /* smallest exponent (biased) */
-       /* Divide result by 2 until we have scaled it to the right IEEE
-          denormalized number, but stop if it becomes zero.  */
-       while (exp < 1 && x.d != 0)
-         {
-           x.d *= 0.5;
-           exp++;
-         }
-      }
-    return x.d;
-  }
-#else
-  {
-    double factor, r;
-
-    factor = 2.0;
-    if (exp < 0)
-      {
-       factor = 0.5;
-       exp = -exp;
-      }
-    r = d;
-    if (exp != 0)
-      {
-       if ((exp & 1) != 0)
-         r *= factor;
-       exp >>= 1;
-       while (exp != 0)
-         {
-           factor *= factor;
-           if ((exp & 1) != 0)
-             r *= factor;
-           exp >>= 1;
-         }
-      }
-    return r;
-  }
-#endif
-}