[project @ 1998-12-02 13:17:09 by simonm]

[ghc-hetmet.git] / ghc / runtime / gmp / mpz_add_ui.c

diff --git a/ghc/runtime/gmp/mpz_add_ui.c b/ghc/runtime/gmp/mpz_add_ui.c
deleted file mode 100644 (file)
index 34f754b..0000000
--- a/ghc/runtime/gmp/mpz_add_ui.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* mpz_add_ui -- Add an MP_INT and an unsigned one-word integer.
-
-Copyright (C) 1991 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 General Public License as published by
-the Free Software Foundation; either version 2, 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 General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with the GNU MP Library; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-#include "gmp.h"
-#include "gmp-impl.h"
-
-void
-#ifdef __STDC__
-mpz_add_ui (MP_INT *sum, const MP_INT *add1, mp_limb add2)
-#else
-mpz_add_ui (sum, add1, add2)
-     MP_INT *sum;
-     const MP_INT *add1;
-     mp_limb add2;
-#endif
-{
-  mp_srcptr add1p;
-  mp_ptr sump;
-  mp_size add1size, sumsize;
-  mp_size abs_add1size;
-
-  add1size = add1->size;
-  abs_add1size = ABS (add1size);
-
-  /* If not space for SUM (and possible carry), increase space.  */
-  sumsize = abs_add1size + 1;
-  if (sum->alloc < sumsize)
-    _mpz_realloc (sum, sumsize);
-
-  /* These must be after realloc (ADD1 may be the same as SUM).  */
-  add1p = add1->d;
-  sump = sum->d;
-
-  if (add2 == 0)
-    {
-      MPN_COPY (sump, add1p, abs_add1size);
-      sum->size = add1size;
-      return;
-    }
-  if (abs_add1size == 0)
-    {
-      sump[0] = add2;
-      sum->size = 1;
-      return;
-    }
-
-  if (add1size >= 0)
-    {
-      sumsize = mpn_add (sump, add1p, abs_add1size, &add2, 1);
-      if (sumsize != 0)
-       sump[abs_add1size] = 1;
-      sumsize = sumsize + abs_add1size;
-    }
-  else
-    {
-      /* The signs are different.  Need exact comparision to determine
-        which operand to subtract from which.  */
-      if (abs_add1size == 1 && add1p[0] < add2)
-       sumsize = (abs_add1size
-                  + mpn_sub (sump, &add2, 1, add1p, 1));
-      else
-       sumsize = -(abs_add1size
-                   + mpn_sub (sump, add1p, abs_add1size, &add2, 1));
-    }
-
-  sum->size = sumsize;
-}