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

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

diff --git a/ghc/runtime/gmp/mpz_add.c b/ghc/runtime/gmp/mpz_add.c
deleted file mode 100644 (file)
index 52639cc..0000000
--- a/ghc/runtime/gmp/mpz_add.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/* mpz_add -- Add two integers.
-
-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"
-
-#ifndef BERKELEY_MP
-void
-#ifdef __STDC__
-mpz_add (MP_INT *sum, const MP_INT *u, const MP_INT *v)
-#else
-mpz_add (sum, u, v)
-     MP_INT *sum;
-     const MP_INT *u;
-     const MP_INT *v;
-#endif
-#else /* BERKELEY_MP */
-void
-#ifdef __STDC__
-madd (const MP_INT *u, const MP_INT *v, MP_INT *sum)
-#else
-madd (u, v, sum)
-     const MP_INT *u;
-     const MP_INT *v;
-     MP_INT *sum;
-#endif
-#endif /* BERKELEY_MP */
-{
-  mp_srcptr up, vp;
-  mp_ptr sump;
-  mp_size usize, vsize, sumsize;
-  mp_size abs_usize;
-  mp_size abs_vsize;
-
-  usize = u->size;
-  vsize = v->size;
-  abs_usize = ABS (usize);
-  abs_vsize = ABS (vsize);
-
-  if (abs_usize < abs_vsize)
-    {
-      /* Swap U and V. */
-      {const MP_INT *t = u; u = v; v = t;}
-      {mp_size t = usize; usize = vsize; vsize = t;}
-      {mp_size t = abs_usize; abs_usize = abs_vsize; abs_vsize = t;}
-    }
-
-  /* True: abs(USIZE) >= abs(VSIZE) */
-
-  /* If not space for sum (and possible carry), increase space.  */
-  sumsize = abs_usize + 1;
-  if (sum->alloc < sumsize)
-    _mpz_realloc (sum, sumsize);
-
-  /* These must be after realloc (u or v may be the same as sum).  */
-  up = u->d;
-  vp = v->d;
-  sump = sum->d;
-
-  if (usize >= 0)
-    {
-      if (vsize >= 0)
-       {
-         sumsize = mpn_add (sump, up, abs_usize, vp, abs_vsize);
-         if (sumsize != 0)
-           sump[abs_usize] = 1;
-         sumsize = sumsize + abs_usize;
-       }
-      else
-       {
-         /* The signs are different.  Need exact comparision to determine
-            which operand to subtract from which.  */
-         if (abs_usize == abs_vsize && mpn_cmp (up, vp, abs_usize) < 0)
-           sumsize = -(abs_usize
-                       + mpn_sub (sump, vp, abs_usize, up, abs_usize));
-         else
-           sumsize = (abs_usize
-                      + mpn_sub (sump, up, abs_usize, vp, abs_vsize));
-       }
-    }
-  else
-    {
-      if (vsize >= 0)
-       {
-         /* The signs are different.  Need exact comparision to determine
-            which operand to subtract from which.  */
-         if (abs_usize == abs_vsize && mpn_cmp (up, vp, abs_usize) < 0)
-           sumsize = (abs_usize
-                      + mpn_sub (sump, vp, abs_usize, up, abs_usize));
-         else
-           sumsize = -(abs_usize
-                       + mpn_sub (sump, up, abs_usize, vp, abs_vsize));
-       }
-      else
-       {
-         sumsize = mpn_add (sump, up, abs_usize, vp, abs_vsize);
-         if (sumsize != 0)
-           sump[abs_usize] = 1;
-         sumsize = -(sumsize + abs_usize);
-       }
-    }
-
-  sum->size = sumsize;
-}