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

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

diff --git a/ghc/runtime/gmp/mpz_mul.c b/ghc/runtime/gmp/mpz_mul.c
deleted file mode 100644 (file)
index 7bb2b90..0000000
--- a/ghc/runtime/gmp/mpz_mul.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/* mpz_mul -- Multiply 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_mul (MP_INT *w, const MP_INT *u, const MP_INT *v)
-#else
-mpz_mul (w, u, v)
-     MP_INT *w;
-     const MP_INT *u;
-     const MP_INT *v;
-#endif
-#else /* BERKELEY_MP */
-void
-#ifdef __STDC__
-mult (const MP_INT *u, const MP_INT *v, MP_INT *w)
-#else
-mult (u, v, w)
-     const MP_INT *u;
-     const MP_INT *v;
-     MP_INT *w;
-#endif
-#endif /* BERKELEY_MP */
-{
-  mp_size usize = u->size;
-  mp_size vsize = v->size;
-  mp_size wsize;
-  mp_size sign_product;
-  mp_ptr up, vp;
-  mp_ptr wp;
-  mp_ptr free_me = NULL;
-  size_t free_me_size;
-
-  sign_product = usize ^ vsize;
-  usize = ABS (usize);
-  vsize = ABS (vsize);
-
-  if (usize < vsize)
-    {
-      /* Swap U and V.  */
-      {const MP_INT *t = u; u = v; v = t;}
-      {mp_size t = usize; usize = vsize; vsize = t;}
-    }
-
-  up = u->d;
-  vp = v->d;
-  wp = w->d;
-
-  /* Ensure W has space enough to store the result.  */
-  wsize = usize + vsize;
-  if (w->alloc < wsize)
-    {
-      if (wp == up || wp == vp)
-       {
-         free_me = wp;
-         free_me_size = w->alloc;
-       }
-      else
-       (*_mp_free_func) (wp, w->alloc * BYTES_PER_MP_LIMB);
-
-      w->alloc = wsize;
-      wp = (mp_ptr) (*_mp_allocate_func) (wsize * BYTES_PER_MP_LIMB);
-      w->d = wp;
-    }
-  else
-    {
-      /* Make U and V not overlap with W.  */
-      if (wp == up)
-       {
-         /* W and U are identical.  Allocate temporary space for U.  */
-         up = (mp_ptr) alloca (usize * BYTES_PER_MP_LIMB);
-         /* Is V identical too?  Keep it identical with U.  */
-         if (wp == vp)
-           vp = up;
-         /* Copy to the temporary space.  */
-         MPN_COPY (up, wp, usize);
-       }
-      else if (wp == vp)
-       {
-         /* W and V are identical.  Allocate temporary space for V.  */
-         vp = (mp_ptr) alloca (vsize * BYTES_PER_MP_LIMB);
-         /* Copy to the temporary space.  */
-         MPN_COPY (vp, wp, vsize);
-       }
-    }
-
-  wsize = mpn_mul (wp, up, usize, vp, vsize);
-  w->size = sign_product < 0 ? -wsize : wsize;
-  if (free_me != NULL)
-    (*_mp_free_func) (free_me, free_me_size * BYTES_PER_MP_LIMB);
-
-  alloca (0);
-}