Reorganisation of the source tree

[ghc-hetmet.git] / ghc / rts / gmp / mpz / tdiv_r_2exp.c

diff --git a/ghc/rts/gmp/mpz/tdiv_r_2exp.c b/ghc/rts/gmp/mpz/tdiv_r_2exp.c
deleted file mode 100644 (file)
index 91de170..0000000
--- a/ghc/rts/gmp/mpz/tdiv_r_2exp.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/* mpz_tdiv_r_2exp -- Divide a integer by 2**CNT and produce a remainder.
-
-Copyright (C) 1991, 1993, 1994, 1995 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"
-
-void
-#if __STDC__
-mpz_tdiv_r_2exp (mpz_ptr res, mpz_srcptr in, unsigned long int cnt)
-#else
-mpz_tdiv_r_2exp (res, in, cnt)
-     mpz_ptr res;
-     mpz_srcptr in;
-     unsigned long int cnt;
-#endif
-{
-  mp_size_t in_size = ABS (in->_mp_size);
-  mp_size_t res_size;
-  mp_size_t limb_cnt = cnt / BITS_PER_MP_LIMB;
-  mp_srcptr in_ptr = in->_mp_d;
-
-  if (in_size > limb_cnt)
-    {
-      /* The input operand is (probably) greater than 2**CNT.  */
-      mp_limb_t x;
-
-      x = in_ptr[limb_cnt] & (((mp_limb_t) 1 << cnt % BITS_PER_MP_LIMB) - 1);
-      if (x != 0)
-       {
-         res_size = limb_cnt + 1;
-         if (res->_mp_alloc < res_size)
-           _mpz_realloc (res, res_size);
-
-         res->_mp_d[limb_cnt] = x;
-       }
-      else
-       {
-         res_size = limb_cnt;
-         MPN_NORMALIZE (in_ptr, res_size);
-
-         if (res->_mp_alloc < res_size)
-           _mpz_realloc (res, res_size);
-
-         limb_cnt = res_size;
-       }
-    }
-  else
-    {
-      /* The input operand is smaller than 2**CNT.  We perform a no-op,
-        apart from that we might need to copy IN to RES.  */
-      res_size = in_size;
-      if (res->_mp_alloc < res_size)
-       _mpz_realloc (res, res_size);
-
-      limb_cnt = res_size;
-    }
-
-  if (res != in)
-    MPN_COPY (res->_mp_d, in->_mp_d, limb_cnt);
-  res->_mp_size = in->_mp_size >= 0 ? res_size : -res_size;
-}