Reorganisation of the source tree

[ghc-hetmet.git] / ghc / rts / gmp / mpn / generic / scan0.c

diff --git a/ghc/rts/gmp/mpn/generic/scan0.c b/ghc/rts/gmp/mpn/generic/scan0.c
deleted file mode 100644 (file)
index 96f05ce..0000000
--- a/ghc/rts/gmp/mpn/generic/scan0.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* mpn_scan0 -- Scan from a given bit position for the next clear bit.
-
-Copyright (C) 1994, 1996 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"
-#include "longlong.h"
-
-/* Design issues:
-   1. What if starting_bit is not within U?  Caller's problem?
-   2. Bit index should be 'unsigned'?
-
-   Argument constraints:
-   1. U must sooner ot later have a limb with a clear bit.
- */
-
-unsigned long int
-#if __STDC__
-mpn_scan0 (register mp_srcptr up,
-          register unsigned long int starting_bit)
-#else
-mpn_scan0 (up, starting_bit)
-     register mp_srcptr up;
-     register unsigned long int starting_bit;
-#endif
-{
-  mp_size_t starting_word;
-  mp_limb_t alimb;
-  int cnt;
-  mp_srcptr p;
-
-  /* Start at the word implied by STARTING_BIT.  */
-  starting_word = starting_bit / BITS_PER_MP_LIMB;
-  p = up + starting_word;
-  alimb = ~*p++;
-
-  /* Mask off any bits before STARTING_BIT in the first limb.  */
-  alimb &= - (mp_limb_t) 1 << (starting_bit % BITS_PER_MP_LIMB);
-
-  while (alimb == 0)
-    alimb = ~*p++;
-
-  count_leading_zeros (cnt, alimb & -alimb);
-  return (p - up) * BITS_PER_MP_LIMB - 1 - cnt;
-}