[gcc] GCC 4.5.0=>4.5.1

gcc/mpfr/cache.c

Index: gcc/mpfr/cache.c
diff --git a/gcc/mpfr/cache.c b/gcc/mpfr/cache.c
deleted file mode 100644
index 4c6015fb7a92cd372661efc2a508f1a223d3852c..0000000000000000000000000000000000000000
--- a/gcc/mpfr/cache.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/* mpfr_cache -- cache interface for multi-precision const in MPFR.
-
-Copyright 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
-Contributed by the Arenaire and Cacao projects, INRIA.
-
-This file is part of the GNU MPFR Library.
-
-The GNU MPFR 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 MPFR 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 MPFR Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-MA 02110-1301, USA. */
-
-#include "mpfr-impl.h"
-
-void
-mpfr_init_cache (mpfr_cache_t cache, int (*func)(mpfr_ptr, mp_rnd_t))
-{
-  MPFR_PREC (cache->x) = 0; /* Invalid prec to detect that the cache is not
-                               valid. Maybe add a flag? */
-  cache->func = func;
-}
-
-void
-mpfr_clear_cache (mpfr_cache_t cache)
-{
-  if (MPFR_PREC (cache->x) != 0)
-    mpfr_clear (cache->x);
-  MPFR_PREC (cache->x) = 0;
-}
-
-int
-mpfr_cache (mpfr_ptr dest, mpfr_cache_t cache, mp_rnd_t rnd)
-{
-  mp_prec_t prec = MPFR_PREC (dest);
-  mp_prec_t pold = MPFR_PREC (cache->x);
-  int inexact, sign;
-  MPFR_SAVE_EXPO_DECL (expo);
-
-  MPFR_SAVE_EXPO_MARK (expo);
-
-  if (MPFR_UNLIKELY (prec > pold))
-    {
-      /* No previous result in the cache or the precision of the
-         previous result is not sufficient. */
-
-      if (MPFR_UNLIKELY (pold == 0))  /* No previous result. */
-        mpfr_init2 (cache->x, prec);
-
-      /* Update the cache. */
-      pold = prec;
-      mpfr_prec_round (cache->x, pold, GMP_RNDN);
-      cache->inexact = (*cache->func) (cache->x, GMP_RNDN);
-    }
-
-  /* First, check if the cache has the exact value (unlikely).
-     Else the exact value is between (assuming x=cache->x > 0):
-       x and x+ulp(x) if cache->inexact < 0,
-       x-ulp(x) and x if cache->inexact > 0,
-     and abs(x-exact) <= ulp(x)/2. */
-  MPFR_ASSERTN (MPFR_IS_POS (cache->x)); /* TODO... */
-  sign = MPFR_SIGN (cache->x);
-  MPFR_SET_EXP (dest, MPFR_GET_EXP (cache->x));
-  MPFR_SET_SIGN (dest, sign);
-  MPFR_RNDRAW_GEN (inexact, dest,
-                   MPFR_MANT (cache->x), MPFR_PREC (cache->x), rnd, sign,
-                   if (MPFR_UNLIKELY (cache->inexact == 0))
-                     {
-                       if ((_sp[0] & _ulp) == 0)
-                         {
-                           inexact = -sign;
-                           goto trunc_doit;
-                         }
-                       else
-                         goto addoneulp;
-                     }
-                   else if (cache->inexact < 0)
-                     goto addoneulp;
-                   else
-                     {
-                       inexact = -sign;
-                       goto trunc_doit;
-                     },
-                   if (MPFR_UNLIKELY (++MPFR_EXP (dest) > __gmpfr_emax))
-                     mpfr_overflow (dest, rnd, sign);
-                  );
-  if (MPFR_LIKELY (cache->inexact != 0))
-    {
-      switch (rnd)
-        {
-        case GMP_RNDZ:
-        case GMP_RNDD:
-          if (MPFR_UNLIKELY (inexact == 0))
-            {
-              inexact = cache->inexact;
-              if (inexact > 0)
-                mpfr_nextbelow (dest);
-            }
-          break;
-        case GMP_RNDU:
-          if (MPFR_UNLIKELY (inexact == 0))
-            {
-              inexact = cache->inexact;
-              if (inexact < 0)
-                mpfr_nextabove (dest);
-            }
-          break;
-        default: /* GMP_RNDN */
-          if (MPFR_UNLIKELY(inexact == 0))
-            inexact = cache->inexact;
-          break;
-        }
-    }
-
-  MPFR_SAVE_EXPO_FREE (expo);
-  return mpfr_check_range (dest, inexact, rnd);
-}