wok-next diff mpfr/stuff/mpfr-3.0.0.patch @ rev 11168

ftgl: Clean up.
author Christopher Rogers <slaxemulator@gmail.com>
date Wed Nov 02 07:12:20 2011 +0000 (2011-11-02)
parents 30f061368a04
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mpfr/stuff/mpfr-3.0.0.patch	Wed Nov 02 07:12:20 2011 +0000
     1.3 @@ -0,0 +1,1945 @@
     1.4 +diff -Naurd mpfr-3.0.0-a/PATCHES mpfr-3.0.0-b/PATCHES
     1.5 +--- mpfr-3.0.0-a/PATCHES	2010-06-23 11:02:49.000000000 +0000
     1.6 ++++ mpfr-3.0.0-b/PATCHES	2010-06-23 11:03:36.000000000 +0000
     1.7 +@@ -0,0 +1 @@
     1.8 ++mpfr_out_str
     1.9 +diff -Naurd mpfr-3.0.0-a/VERSION mpfr-3.0.0-b/VERSION
    1.10 +--- mpfr-3.0.0-a/VERSION	2010-06-10 11:00:14.000000000 +0000
    1.11 ++++ mpfr-3.0.0-b/VERSION	2010-06-23 11:03:20.000000000 +0000
    1.12 +@@ -1 +1 @@
    1.13 +-3.0.0
    1.14 ++3.0.0-p1
    1.15 +diff -Naurd mpfr-3.0.0-a/mpfr.h mpfr-3.0.0-b/mpfr.h
    1.16 +--- mpfr-3.0.0-a/mpfr.h	2010-06-10 11:00:14.000000000 +0000
    1.17 ++++ mpfr-3.0.0-b/mpfr.h	2010-06-23 11:03:20.000000000 +0000
    1.18 +@@ -27,7 +27,7 @@
    1.19 + #define MPFR_VERSION_MAJOR 3
    1.20 + #define MPFR_VERSION_MINOR 0
    1.21 + #define MPFR_VERSION_PATCHLEVEL 0
    1.22 +-#define MPFR_VERSION_STRING "3.0.0"
    1.23 ++#define MPFR_VERSION_STRING "3.0.0-p1"
    1.24 + 
    1.25 + /* Macros dealing with MPFR VERSION */
    1.26 + #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
    1.27 +diff -Naurd mpfr-3.0.0-a/mpfr.texi mpfr-3.0.0-b/mpfr.texi
    1.28 +--- mpfr-3.0.0-a/mpfr.texi	2010-06-10 11:00:14.000000000 +0000
    1.29 ++++ mpfr-3.0.0-b/mpfr.texi	2010-06-23 11:03:12.000000000 +0000
    1.30 +@@ -2050,7 +2050,7 @@
    1.31 + are printed. If @var{base} is greater than 10, @samp{@@} will be used
    1.32 + instead of @samp{e} as exponent delimiter.
    1.33 + 
    1.34 +-Return the number of bytes written, or if an error occurred, return 0.
    1.35 ++Return the number of characters written, or if an error occurred, return 0.
    1.36 + @end deftypefun
    1.37 + 
    1.38 + @deftypefun size_t mpfr_inp_str (mpfr_t @var{rop}, FILE *@var{stream}, int @var{base}, mpfr_rnd_t @var{rnd})
    1.39 +diff -Naurd mpfr-3.0.0-a/out_str.c mpfr-3.0.0-b/out_str.c
    1.40 +--- mpfr-3.0.0-a/out_str.c	2010-06-10 11:00:14.000000000 +0000
    1.41 ++++ mpfr-3.0.0-b/out_str.c	2010-06-23 11:03:12.000000000 +0000
    1.42 +@@ -22,6 +22,16 @@
    1.43 + 
    1.44 + #include "mpfr-impl.h"
    1.45 + 
    1.46 ++/* Warning! S should not contain "%". */
    1.47 ++#define OUT_STR_RET(S)                          \
    1.48 ++  do                                            \
    1.49 ++    {                                           \
    1.50 ++      int r;                                    \
    1.51 ++      r = fprintf (stream, (S));                \
    1.52 ++      return r < 0 ? 0 : r;                     \
    1.53 ++    }                                           \
    1.54 ++  while (0)
    1.55 ++
    1.56 + size_t
    1.57 + mpfr_out_str (FILE *stream, int base, size_t n_digits, mpfr_srcptr op,
    1.58 +               mpfr_rnd_t rnd_mode)
    1.59 +@@ -29,6 +39,7 @@
    1.60 +   char *s, *s0;
    1.61 +   size_t l;
    1.62 +   mpfr_exp_t e;
    1.63 ++  int err;
    1.64 + 
    1.65 +   MPFR_ASSERTN (base >= 2 && base <= 62);
    1.66 + 
    1.67 +@@ -36,37 +47,16 @@
    1.68 +   if (stream == NULL)
    1.69 +     stream = stdout;
    1.70 + 
    1.71 +-  if (MPFR_IS_NAN(op))
    1.72 +-    {
    1.73 +-      fprintf (stream, "@NaN@");
    1.74 +-      return 3;
    1.75 +-    }
    1.76 +-
    1.77 +-  if (MPFR_IS_INF(op))
    1.78 +-    {
    1.79 +-      if (MPFR_SIGN(op) > 0)
    1.80 +-        {
    1.81 +-          fprintf (stream, "@Inf@");
    1.82 +-          return 3;
    1.83 +-        }
    1.84 +-      else
    1.85 +-        {
    1.86 +-          fprintf (stream, "-@Inf@");
    1.87 +-          return 4;
    1.88 +-        }
    1.89 +-    }
    1.90 +-
    1.91 +-  if (MPFR_IS_ZERO(op))
    1.92 ++  if (MPFR_UNLIKELY (MPFR_IS_SINGULAR (op)))
    1.93 +     {
    1.94 +-      if (MPFR_SIGN(op) > 0)
    1.95 +-        {
    1.96 +-          fprintf(stream, "0");
    1.97 +-          return 1;
    1.98 +-        }
    1.99 ++      if (MPFR_IS_NAN (op))
   1.100 ++        OUT_STR_RET ("@NaN@");
   1.101 ++      else if (MPFR_IS_INF (op))
   1.102 ++        OUT_STR_RET (MPFR_IS_POS (op) ? "@Inf@" : "-@Inf@");
   1.103 +       else
   1.104 +         {
   1.105 +-          fprintf(stream, "-0");
   1.106 +-          return 2;
   1.107 ++          MPFR_ASSERTD (MPFR_IS_ZERO (op));
   1.108 ++          OUT_STR_RET (MPFR_IS_POS (op) ? "0" : "-0");
   1.109 +         }
   1.110 +     }
   1.111 + 
   1.112 +@@ -77,21 +67,31 @@
   1.113 + 
   1.114 +   l = strlen (s) + 1; /* size of allocated block returned by mpfr_get_str
   1.115 +                          - may be incorrect, as only an upper bound? */
   1.116 +-  if (*s == '-')
   1.117 +-    fputc (*s++, stream);
   1.118 + 
   1.119 +-  /* outputs mantissa */
   1.120 +-  fputc (*s++, stream); e--; /* leading digit */
   1.121 +-  fputc ((unsigned char) MPFR_DECIMAL_POINT, stream);
   1.122 +-  fputs (s, stream);         /* rest of mantissa */
   1.123 ++  /* outputs possible sign and significand */
   1.124 ++  err = (*s == '-' && fputc (*s++, stream) == EOF)
   1.125 ++    || fputc (*s++, stream) == EOF  /* leading digit */
   1.126 ++    || fputc ((unsigned char) MPFR_DECIMAL_POINT, stream) == EOF
   1.127 ++    || fputs (s, stream) == EOF;     /* trailing significand */
   1.128 +   (*__gmp_free_func) (s0, l);
   1.129 ++  if (MPFR_UNLIKELY (err))
   1.130 ++    return 0;
   1.131 ++
   1.132 ++  e--;  /* due to the leading digit */
   1.133 + 
   1.134 +   /* outputs exponent */
   1.135 +   if (e)
   1.136 +     {
   1.137 ++      int r;
   1.138 ++
   1.139 +       MPFR_ASSERTN(e >= LONG_MIN);
   1.140 +       MPFR_ASSERTN(e <= LONG_MAX);
   1.141 +-      l += fprintf (stream, (base <= 10 ? "e%ld" : "@%ld"), (long) e);
   1.142 ++
   1.143 ++      r = fprintf (stream, (base <= 10 ? "e%ld" : "@%ld"), (long) e);
   1.144 ++      if (MPFR_UNLIKELY (r < 0))
   1.145 ++        return 0;
   1.146 ++
   1.147 ++      l += r;
   1.148 +     }
   1.149 + 
   1.150 +   return l;
   1.151 +diff -Naurd mpfr-3.0.0-a/tests/tout_str.c mpfr-3.0.0-b/tests/tout_str.c
   1.152 +--- mpfr-3.0.0-a/tests/tout_str.c	2010-06-10 11:00:13.000000000 +0000
   1.153 ++++ mpfr-3.0.0-b/tests/tout_str.c	2010-06-23 11:03:12.000000000 +0000
   1.154 +@@ -46,22 +46,54 @@
   1.155 + special (void)
   1.156 + {
   1.157 +   mpfr_t x;
   1.158 ++  unsigned int n;
   1.159 + 
   1.160 +   mpfr_init (x);
   1.161 + 
   1.162 +   mpfr_set_nan (x);
   1.163 +-  mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.164 ++  n = mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.165 ++  if (n != 5)
   1.166 ++    {
   1.167 ++      printf ("Error: mpfr_out_str (file, 10, 0, NaN, MPFR_RNDN) wrote %u "
   1.168 ++              "characters instead of 5.\n", n);
   1.169 ++      exit (1);
   1.170 ++    }
   1.171 + 
   1.172 +   mpfr_set_inf (x, 1);
   1.173 +-  mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.174 ++  n = mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.175 ++  if (n != 5)
   1.176 ++    {
   1.177 ++      printf ("Error: mpfr_out_str (file, 10, 0, +Inf, MPFR_RNDN) wrote %u "
   1.178 ++               "characters instead of 5.\n", n);
   1.179 ++      exit (1);
   1.180 ++    }
   1.181 + 
   1.182 +   mpfr_set_inf (x, -1);
   1.183 +-  mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.184 ++  n = mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.185 ++  if (n != 6)
   1.186 ++    {
   1.187 ++      printf ("Error: mpfr_out_str (file, 10, 0, -Inf, MPFR_RNDN) wrote %u "
   1.188 ++               "characters instead of 6.\n", n);
   1.189 ++      exit (1);
   1.190 ++    }
   1.191 + 
   1.192 +   mpfr_set_ui (x, 0, MPFR_RNDN);
   1.193 +-  mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.194 ++  n = mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.195 ++  if (n != 1)
   1.196 ++    {
   1.197 ++      printf ("Error: mpfr_out_str (file, 10, 0, +0, MPFR_RNDN) wrote %u "
   1.198 ++               "characters instead of 1.\n", n);
   1.199 ++      exit (1);
   1.200 ++    }
   1.201 ++
   1.202 +   mpfr_neg (x, x, MPFR_RNDN);
   1.203 +-  mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.204 ++  n = mpfr_out_str (fout, 10, 0, x, MPFR_RNDN);
   1.205 ++  if (n != 2)
   1.206 ++    {
   1.207 ++      printf ("Error: mpfr_out_str (file, 10, 0, -0, MPFR_RNDN) wrote %u "
   1.208 ++               "characters instead of 2.\n", n);
   1.209 ++      exit (1);
   1.210 ++    }
   1.211 + 
   1.212 +   mpfr_clear (x);
   1.213 + }
   1.214 +diff -Naurd mpfr-3.0.0-a/version.c mpfr-3.0.0-b/version.c
   1.215 +--- mpfr-3.0.0-a/version.c	2010-06-10 11:00:14.000000000 +0000
   1.216 ++++ mpfr-3.0.0-b/version.c	2010-06-23 11:03:20.000000000 +0000
   1.217 +@@ -25,5 +25,5 @@
   1.218 + const char *
   1.219 + mpfr_get_version (void)
   1.220 + {
   1.221 +-  return "3.0.0";
   1.222 ++  return "3.0.0-p1";
   1.223 + }
   1.224 +diff -Naurd mpfr-3.0.0-a/Makefile.in mpfr-3.0.0-b/Makefile.in
   1.225 +--- mpfr-3.0.0-a/Makefile.in	2010-06-10 11:00:52.000000000 +0000
   1.226 ++++ mpfr-3.0.0-b/Makefile.in	2010-06-10 11:00:52.000000000 +0000
   1.227 +@@ -239,6 +239,7 @@
   1.228 + distuninstallcheck_listfiles = find . -type f -print
   1.229 + distcleancheck_listfiles = find . -type f -print
   1.230 + ACLOCAL = @ACLOCAL@
   1.231 ++ALLOCA = @ALLOCA@
   1.232 + AMTAR = @AMTAR@
   1.233 + AR = @AR@
   1.234 + AS = @AS@
   1.235 +diff -Naurd mpfr-3.0.0-a/PATCHES mpfr-3.0.0-b/PATCHES
   1.236 +--- mpfr-3.0.0-a/PATCHES	2010-06-23 11:03:36.000000000 +0000
   1.237 ++++ mpfr-3.0.0-b/PATCHES	2010-06-25 13:23:13.000000000 +0000
   1.238 +@@ -0,0 +1 @@
   1.239 ++alloca
   1.240 +diff -Naurd mpfr-3.0.0-a/VERSION mpfr-3.0.0-b/VERSION
   1.241 +--- mpfr-3.0.0-a/VERSION	2010-06-23 11:03:20.000000000 +0000
   1.242 ++++ mpfr-3.0.0-b/VERSION	2010-06-25 13:23:13.000000000 +0000
   1.243 +@@ -1 +1 @@
   1.244 +-3.0.0-p1
   1.245 ++3.0.0-p2
   1.246 +diff -Naurd mpfr-3.0.0-a/acinclude.m4 mpfr-3.0.0-b/acinclude.m4
   1.247 +--- mpfr-3.0.0-a/acinclude.m4	2010-06-10 11:00:14.000000000 +0000
   1.248 ++++ mpfr-3.0.0-b/acinclude.m4	2010-06-10 11:00:14.000000000 +0000
   1.249 +@@ -59,6 +59,9 @@
   1.250 + dnl sys/fpu.h - MIPS specific
   1.251 + AC_CHECK_HEADERS([sys/time.h sys/fpu.h])
   1.252 + 
   1.253 ++dnl Check how to get `alloca'
   1.254 ++AC_FUNC_ALLOCA
   1.255 ++
   1.256 + dnl SIZE_MAX macro
   1.257 + gl_SIZE_MAX
   1.258 + 
   1.259 +diff -Naurd mpfr-3.0.0-a/configure mpfr-3.0.0-b/configure
   1.260 +--- mpfr-3.0.0-a/configure	2010-06-10 11:00:51.000000000 +0000
   1.261 ++++ mpfr-3.0.0-b/configure	2010-06-25 13:23:05.000000000 +0000
   1.262 +@@ -783,6 +783,7 @@
   1.263 + OBJDUMP
   1.264 + DLLTOOL
   1.265 + AS
   1.266 ++ALLOCA
   1.267 + MPFR_LIBM
   1.268 + ANSI2KNR
   1.269 + U
   1.270 +@@ -5622,6 +5623,197 @@
   1.271 + done
   1.272 + 
   1.273 + 
   1.274 ++# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
   1.275 ++# for constant arguments.  Useless!
   1.276 ++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working alloca.h" >&5
   1.277 ++$as_echo_n "checking for working alloca.h... " >&6; }
   1.278 ++if test "${ac_cv_working_alloca_h+set}" = set; then :
   1.279 ++  $as_echo_n "(cached) " >&6
   1.280 ++else
   1.281 ++  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
   1.282 ++/* end confdefs.h.  */
   1.283 ++#include <alloca.h>
   1.284 ++int
   1.285 ++main ()
   1.286 ++{
   1.287 ++char *p = (char *) alloca (2 * sizeof (int));
   1.288 ++			  if (p) return 0;
   1.289 ++  ;
   1.290 ++  return 0;
   1.291 ++}
   1.292 ++_ACEOF
   1.293 ++if ac_fn_c_try_link "$LINENO"; then :
   1.294 ++  ac_cv_working_alloca_h=yes
   1.295 ++else
   1.296 ++  ac_cv_working_alloca_h=no
   1.297 ++fi
   1.298 ++rm -f core conftest.err conftest.$ac_objext \
   1.299 ++    conftest$ac_exeext conftest.$ac_ext
   1.300 ++fi
   1.301 ++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5
   1.302 ++$as_echo "$ac_cv_working_alloca_h" >&6; }
   1.303 ++if test $ac_cv_working_alloca_h = yes; then
   1.304 ++
   1.305 ++$as_echo "#define HAVE_ALLOCA_H 1" >>confdefs.h
   1.306 ++
   1.307 ++fi
   1.308 ++
   1.309 ++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5
   1.310 ++$as_echo_n "checking for alloca... " >&6; }
   1.311 ++if test "${ac_cv_func_alloca_works+set}" = set; then :
   1.312 ++  $as_echo_n "(cached) " >&6
   1.313 ++else
   1.314 ++  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
   1.315 ++/* end confdefs.h.  */
   1.316 ++#ifdef __GNUC__
   1.317 ++# define alloca __builtin_alloca
   1.318 ++#else
   1.319 ++# ifdef _MSC_VER
   1.320 ++#  include <malloc.h>
   1.321 ++#  define alloca _alloca
   1.322 ++# else
   1.323 ++#  ifdef HAVE_ALLOCA_H
   1.324 ++#   include <alloca.h>
   1.325 ++#  else
   1.326 ++#   ifdef _AIX
   1.327 ++ #pragma alloca
   1.328 ++#   else
   1.329 ++#    ifndef alloca /* predefined by HP cc +Olibcalls */
   1.330 ++char *alloca ();
   1.331 ++#    endif
   1.332 ++#   endif
   1.333 ++#  endif
   1.334 ++# endif
   1.335 ++#endif
   1.336 ++
   1.337 ++int
   1.338 ++main ()
   1.339 ++{
   1.340 ++char *p = (char *) alloca (1);
   1.341 ++				    if (p) return 0;
   1.342 ++  ;
   1.343 ++  return 0;
   1.344 ++}
   1.345 ++_ACEOF
   1.346 ++if ac_fn_c_try_link "$LINENO"; then :
   1.347 ++  ac_cv_func_alloca_works=yes
   1.348 ++else
   1.349 ++  ac_cv_func_alloca_works=no
   1.350 ++fi
   1.351 ++rm -f core conftest.err conftest.$ac_objext \
   1.352 ++    conftest$ac_exeext conftest.$ac_ext
   1.353 ++fi
   1.354 ++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5
   1.355 ++$as_echo "$ac_cv_func_alloca_works" >&6; }
   1.356 ++
   1.357 ++if test $ac_cv_func_alloca_works = yes; then
   1.358 ++
   1.359 ++$as_echo "#define HAVE_ALLOCA 1" >>confdefs.h
   1.360 ++
   1.361 ++else
   1.362 ++  # The SVR3 libPW and SVR4 libucb both contain incompatible functions
   1.363 ++# that cause trouble.  Some versions do not even contain alloca or
   1.364 ++# contain a buggy version.  If you still want to use their alloca,
   1.365 ++# use ar to extract alloca.o from them instead of compiling alloca.c.
   1.366 ++
   1.367 ++ALLOCA=\${LIBOBJDIR}alloca.$ac_objext
   1.368 ++
   1.369 ++$as_echo "#define C_ALLOCA 1" >>confdefs.h
   1.370 ++
   1.371 ++
   1.372 ++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \`alloca.c' needs Cray hooks" >&5
   1.373 ++$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; }
   1.374 ++if test "${ac_cv_os_cray+set}" = set; then :
   1.375 ++  $as_echo_n "(cached) " >&6
   1.376 ++else
   1.377 ++  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
   1.378 ++/* end confdefs.h.  */
   1.379 ++#if defined CRAY && ! defined CRAY2
   1.380 ++webecray
   1.381 ++#else
   1.382 ++wenotbecray
   1.383 ++#endif
   1.384 ++
   1.385 ++_ACEOF
   1.386 ++if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   1.387 ++  $EGREP "webecray" >/dev/null 2>&1; then :
   1.388 ++  ac_cv_os_cray=yes
   1.389 ++else
   1.390 ++  ac_cv_os_cray=no
   1.391 ++fi
   1.392 ++rm -f conftest*
   1.393 ++
   1.394 ++fi
   1.395 ++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_os_cray" >&5
   1.396 ++$as_echo "$ac_cv_os_cray" >&6; }
   1.397 ++if test $ac_cv_os_cray = yes; then
   1.398 ++  for ac_func in _getb67 GETB67 getb67; do
   1.399 ++    as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
   1.400 ++ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
   1.401 ++eval as_val=\$$as_ac_var
   1.402 ++   if test "x$as_val" = x""yes; then :
   1.403 ++
   1.404 ++cat >>confdefs.h <<_ACEOF
   1.405 ++#define CRAY_STACKSEG_END $ac_func
   1.406 ++_ACEOF
   1.407 ++
   1.408 ++    break
   1.409 ++fi
   1.410 ++
   1.411 ++  done
   1.412 ++fi
   1.413 ++
   1.414 ++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5
   1.415 ++$as_echo_n "checking stack direction for C alloca... " >&6; }
   1.416 ++if test "${ac_cv_c_stack_direction+set}" = set; then :
   1.417 ++  $as_echo_n "(cached) " >&6
   1.418 ++else
   1.419 ++  if test "$cross_compiling" = yes; then :
   1.420 ++  ac_cv_c_stack_direction=0
   1.421 ++else
   1.422 ++  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
   1.423 ++/* end confdefs.h.  */
   1.424 ++$ac_includes_default
   1.425 ++int
   1.426 ++find_stack_direction ()
   1.427 ++{
   1.428 ++  static char *addr = 0;
   1.429 ++  auto char dummy;
   1.430 ++  if (addr == 0)
   1.431 ++    {
   1.432 ++      addr = &dummy;
   1.433 ++      return find_stack_direction ();
   1.434 ++    }
   1.435 ++  else
   1.436 ++    return (&dummy > addr) ? 1 : -1;
   1.437 ++}
   1.438 ++
   1.439 ++int
   1.440 ++main ()
   1.441 ++{
   1.442 ++  return find_stack_direction () < 0;
   1.443 ++}
   1.444 ++_ACEOF
   1.445 ++if ac_fn_c_try_run "$LINENO"; then :
   1.446 ++  ac_cv_c_stack_direction=1
   1.447 ++else
   1.448 ++  ac_cv_c_stack_direction=-1
   1.449 ++fi
   1.450 ++rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   1.451 ++  conftest.$ac_objext conftest.beam conftest.$ac_ext
   1.452 ++fi
   1.453 ++
   1.454 ++fi
   1.455 ++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
   1.456 ++$as_echo "$ac_cv_c_stack_direction" >&6; }
   1.457 ++cat >>confdefs.h <<_ACEOF
   1.458 ++#define STACK_DIRECTION $ac_cv_c_stack_direction
   1.459 ++_ACEOF
   1.460 ++
   1.461 ++
   1.462 ++fi
   1.463 ++
   1.464 ++
   1.465 + 
   1.466 +   for ac_header in stdint.h
   1.467 + do :
   1.468 +@@ -7564,13 +7756,13 @@
   1.469 + else
   1.470 +   lt_cv_nm_interface="BSD nm"
   1.471 +   echo "int some_variable = 0;" > conftest.$ac_ext
   1.472 +-  (eval echo "\"\$as_me:7567: $ac_compile\"" >&5)
   1.473 ++  (eval echo "\"\$as_me:7759: $ac_compile\"" >&5)
   1.474 +   (eval "$ac_compile" 2>conftest.err)
   1.475 +   cat conftest.err >&5
   1.476 +-  (eval echo "\"\$as_me:7570: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   1.477 ++  (eval echo "\"\$as_me:7762: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   1.478 +   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   1.479 +   cat conftest.err >&5
   1.480 +-  (eval echo "\"\$as_me:7573: output\"" >&5)
   1.481 ++  (eval echo "\"\$as_me:7765: output\"" >&5)
   1.482 +   cat conftest.out >&5
   1.483 +   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
   1.484 +     lt_cv_nm_interface="MS dumpbin"
   1.485 +@@ -8772,7 +8964,7 @@
   1.486 +   ;;
   1.487 + *-*-irix6*)
   1.488 +   # Find out which ABI we are using.
   1.489 +-  echo '#line 8775 "configure"' > conftest.$ac_ext
   1.490 ++  echo '#line 8967 "configure"' > conftest.$ac_ext
   1.491 +   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   1.492 +   (eval $ac_compile) 2>&5
   1.493 +   ac_status=$?
   1.494 +@@ -10032,11 +10224,11 @@
   1.495 +    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   1.496 +    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   1.497 +    -e 's:$: $lt_compiler_flag:'`
   1.498 +-   (eval echo "\"\$as_me:10035: $lt_compile\"" >&5)
   1.499 ++   (eval echo "\"\$as_me:10227: $lt_compile\"" >&5)
   1.500 +    (eval "$lt_compile" 2>conftest.err)
   1.501 +    ac_status=$?
   1.502 +    cat conftest.err >&5
   1.503 +-   echo "$as_me:10039: \$? = $ac_status" >&5
   1.504 ++   echo "$as_me:10231: \$? = $ac_status" >&5
   1.505 +    if (exit $ac_status) && test -s "$ac_outfile"; then
   1.506 +      # The compiler can only warn and ignore the option if not recognized
   1.507 +      # So say no if there are warnings other than the usual output.
   1.508 +@@ -10371,11 +10563,11 @@
   1.509 +    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   1.510 +    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   1.511 +    -e 's:$: $lt_compiler_flag:'`
   1.512 +-   (eval echo "\"\$as_me:10374: $lt_compile\"" >&5)
   1.513 ++   (eval echo "\"\$as_me:10566: $lt_compile\"" >&5)
   1.514 +    (eval "$lt_compile" 2>conftest.err)
   1.515 +    ac_status=$?
   1.516 +    cat conftest.err >&5
   1.517 +-   echo "$as_me:10378: \$? = $ac_status" >&5
   1.518 ++   echo "$as_me:10570: \$? = $ac_status" >&5
   1.519 +    if (exit $ac_status) && test -s "$ac_outfile"; then
   1.520 +      # The compiler can only warn and ignore the option if not recognized
   1.521 +      # So say no if there are warnings other than the usual output.
   1.522 +@@ -10476,11 +10668,11 @@
   1.523 +    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   1.524 +    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   1.525 +    -e 's:$: $lt_compiler_flag:'`
   1.526 +-   (eval echo "\"\$as_me:10479: $lt_compile\"" >&5)
   1.527 ++   (eval echo "\"\$as_me:10671: $lt_compile\"" >&5)
   1.528 +    (eval "$lt_compile" 2>out/conftest.err)
   1.529 +    ac_status=$?
   1.530 +    cat out/conftest.err >&5
   1.531 +-   echo "$as_me:10483: \$? = $ac_status" >&5
   1.532 ++   echo "$as_me:10675: \$? = $ac_status" >&5
   1.533 +    if (exit $ac_status) && test -s out/conftest2.$ac_objext
   1.534 +    then
   1.535 +      # The compiler can only warn and ignore the option if not recognized
   1.536 +@@ -10531,11 +10723,11 @@
   1.537 +    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   1.538 +    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   1.539 +    -e 's:$: $lt_compiler_flag:'`
   1.540 +-   (eval echo "\"\$as_me:10534: $lt_compile\"" >&5)
   1.541 ++   (eval echo "\"\$as_me:10726: $lt_compile\"" >&5)
   1.542 +    (eval "$lt_compile" 2>out/conftest.err)
   1.543 +    ac_status=$?
   1.544 +    cat out/conftest.err >&5
   1.545 +-   echo "$as_me:10538: \$? = $ac_status" >&5
   1.546 ++   echo "$as_me:10730: \$? = $ac_status" >&5
   1.547 +    if (exit $ac_status) && test -s out/conftest2.$ac_objext
   1.548 +    then
   1.549 +      # The compiler can only warn and ignore the option if not recognized
   1.550 +@@ -12915,7 +13107,7 @@
   1.551 +   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   1.552 +   lt_status=$lt_dlunknown
   1.553 +   cat > conftest.$ac_ext <<_LT_EOF
   1.554 +-#line 12918 "configure"
   1.555 ++#line 13110 "configure"
   1.556 + #include "confdefs.h"
   1.557 + 
   1.558 + #if HAVE_DLFCN_H
   1.559 +@@ -13011,7 +13203,7 @@
   1.560 +   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   1.561 +   lt_status=$lt_dlunknown
   1.562 +   cat > conftest.$ac_ext <<_LT_EOF
   1.563 +-#line 13014 "configure"
   1.564 ++#line 13206 "configure"
   1.565 + #include "confdefs.h"
   1.566 + 
   1.567 + #if HAVE_DLFCN_H
   1.568 +diff -Naurd mpfr-3.0.0-a/mpfr.h mpfr-3.0.0-b/mpfr.h
   1.569 +--- mpfr-3.0.0-a/mpfr.h	2010-06-23 11:03:20.000000000 +0000
   1.570 ++++ mpfr-3.0.0-b/mpfr.h	2010-06-25 13:23:13.000000000 +0000
   1.571 +@@ -27,7 +27,7 @@
   1.572 + #define MPFR_VERSION_MAJOR 3
   1.573 + #define MPFR_VERSION_MINOR 0
   1.574 + #define MPFR_VERSION_PATCHLEVEL 0
   1.575 +-#define MPFR_VERSION_STRING "3.0.0-p1"
   1.576 ++#define MPFR_VERSION_STRING "3.0.0-p2"
   1.577 + 
   1.578 + /* Macros dealing with MPFR VERSION */
   1.579 + #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   1.580 +diff -Naurd mpfr-3.0.0-a/tests/Makefile.in mpfr-3.0.0-b/tests/Makefile.in
   1.581 +--- mpfr-3.0.0-a/tests/Makefile.in	2010-06-10 11:00:52.000000000 +0000
   1.582 ++++ mpfr-3.0.0-b/tests/Makefile.in	2010-06-10 11:00:52.000000000 +0000
   1.583 +@@ -960,6 +960,7 @@
   1.584 + red=; grn=; lgn=; blu=; std=
   1.585 + DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
   1.586 + ACLOCAL = @ACLOCAL@
   1.587 ++ALLOCA = @ALLOCA@
   1.588 + AMTAR = @AMTAR@
   1.589 + AR = @AR@
   1.590 + AS = @AS@
   1.591 +diff -Naurd mpfr-3.0.0-a/version.c mpfr-3.0.0-b/version.c
   1.592 +--- mpfr-3.0.0-a/version.c	2010-06-23 11:03:20.000000000 +0000
   1.593 ++++ mpfr-3.0.0-b/version.c	2010-06-25 13:23:13.000000000 +0000
   1.594 +@@ -25,5 +25,5 @@
   1.595 + const char *
   1.596 + mpfr_get_version (void)
   1.597 + {
   1.598 +-  return "3.0.0-p1";
   1.599 ++  return "3.0.0-p2";
   1.600 + }
   1.601 +diff -Naurd mpfr-3.0.0-a/PATCHES mpfr-3.0.0-b/PATCHES
   1.602 +--- mpfr-3.0.0-a/PATCHES	2010-07-10 00:11:19.000000000 +0000
   1.603 ++++ mpfr-3.0.0-b/PATCHES	2010-07-10 00:12:50.000000000 +0000
   1.604 +@@ -0,0 +1 @@
   1.605 ++gamma_underflow
   1.606 +diff -Naurd mpfr-3.0.0-a/VERSION mpfr-3.0.0-b/VERSION
   1.607 +--- mpfr-3.0.0-a/VERSION	2010-06-25 13:23:13.000000000 +0000
   1.608 ++++ mpfr-3.0.0-b/VERSION	2010-07-10 00:11:53.000000000 +0000
   1.609 +@@ -1 +1 @@
   1.610 +-3.0.0-p2
   1.611 ++3.0.0-p3
   1.612 +diff -Naurd mpfr-3.0.0-a/gamma.c mpfr-3.0.0-b/gamma.c
   1.613 +--- mpfr-3.0.0-a/gamma.c	2010-06-10 11:00:14.000000000 +0000
   1.614 ++++ mpfr-3.0.0-b/gamma.c	2010-07-10 00:11:46.000000000 +0000
   1.615 +@@ -274,7 +274,7 @@
   1.616 +       /* we want an upper bound for x * [log(2-x)-1].
   1.617 +          since x < 0, we need a lower bound on log(2-x) */
   1.618 +       mpfr_ui_sub (xp, 2, x, MPFR_RNDD);
   1.619 +-      mpfr_log (xp, xp, MPFR_RNDD);
   1.620 ++      mpfr_log2 (xp, xp, MPFR_RNDD);
   1.621 +       mpfr_sub_ui (xp, xp, 1, MPFR_RNDD);
   1.622 +       mpfr_mul (xp, xp, x, MPFR_RNDU);
   1.623 + 
   1.624 +@@ -303,8 +303,8 @@
   1.625 +         {
   1.626 +           mpfr_sub (tmp, tmp, tmp2, MPFR_RNDZ); /* low bnd on |sin(Pi*(2-x))| */
   1.627 +           mpfr_ui_div (tmp, 12, tmp, MPFR_RNDU); /* upper bound */
   1.628 +-          mpfr_log (tmp, tmp, MPFR_RNDU);
   1.629 +-          mpfr_add (tmp, tmp, xp, MPFR_RNDU);
   1.630 ++          mpfr_log2 (tmp, tmp, MPFR_RNDU);
   1.631 ++          mpfr_add (xp, tmp, xp, MPFR_RNDU);
   1.632 +           underflow = mpfr_cmp_si (xp, expo.saved_emin - 2) <= 0;
   1.633 +         }
   1.634 + 
   1.635 +diff -Naurd mpfr-3.0.0-a/mpfr.h mpfr-3.0.0-b/mpfr.h
   1.636 +--- mpfr-3.0.0-a/mpfr.h	2010-06-25 13:23:13.000000000 +0000
   1.637 ++++ mpfr-3.0.0-b/mpfr.h	2010-07-10 00:11:53.000000000 +0000
   1.638 +@@ -27,7 +27,7 @@
   1.639 + #define MPFR_VERSION_MAJOR 3
   1.640 + #define MPFR_VERSION_MINOR 0
   1.641 + #define MPFR_VERSION_PATCHLEVEL 0
   1.642 +-#define MPFR_VERSION_STRING "3.0.0-p2"
   1.643 ++#define MPFR_VERSION_STRING "3.0.0-p3"
   1.644 + 
   1.645 + /* Macros dealing with MPFR VERSION */
   1.646 + #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   1.647 +diff -Naurd mpfr-3.0.0-a/tests/tgamma.c mpfr-3.0.0-b/tests/tgamma.c
   1.648 +--- mpfr-3.0.0-a/tests/tgamma.c	2010-06-10 11:00:13.000000000 +0000
   1.649 ++++ mpfr-3.0.0-b/tests/tgamma.c	2010-07-10 00:11:46.000000000 +0000
   1.650 +@@ -461,6 +461,20 @@
   1.651 +   mpfr_clear (x);
   1.652 + }
   1.653 + 
   1.654 ++/* bug found by Stathis, only occurs on 32-bit machines */
   1.655 ++static void
   1.656 ++test20100709 (void)
   1.657 ++{
   1.658 ++  mpfr_t x;
   1.659 ++  int inex;
   1.660 ++
   1.661 ++  mpfr_init2 (x, 100);
   1.662 ++  mpfr_set_str (x, "-4.6308260837372266e+07", 10, MPFR_RNDN);
   1.663 ++  inex = mpfr_gamma (x, x, MPFR_RNDN);
   1.664 ++  MPFR_ASSERTN(MPFR_IS_ZERO(x) && MPFR_IS_NEG(x) && inex > 0);
   1.665 ++  mpfr_clear (x);
   1.666 ++}
   1.667 ++
   1.668 + int
   1.669 + main (int argc, char *argv[])
   1.670 + {
   1.671 +@@ -471,6 +485,7 @@
   1.672 +   test_generic (2, 100, 2);
   1.673 +   gamma_integer ();
   1.674 +   test20071231 ();
   1.675 ++  test20100709 ();
   1.676 + 
   1.677 +   data_check ("data/gamma", mpfr_gamma, "mpfr_gamma");
   1.678 + 
   1.679 +diff -Naurd mpfr-3.0.0-a/version.c mpfr-3.0.0-b/version.c
   1.680 +--- mpfr-3.0.0-a/version.c	2010-06-25 13:23:13.000000000 +0000
   1.681 ++++ mpfr-3.0.0-b/version.c	2010-07-10 00:11:53.000000000 +0000
   1.682 +@@ -25,5 +25,5 @@
   1.683 + const char *
   1.684 + mpfr_get_version (void)
   1.685 + {
   1.686 +-  return "3.0.0-p2";
   1.687 ++  return "3.0.0-p3";
   1.688 + }
   1.689 +diff -Naurd mpfr-3.0.0-a/PATCHES mpfr-3.0.0-b/PATCHES
   1.690 +--- mpfr-3.0.0-a/PATCHES	2010-09-07 08:44:01.000000000 +0000
   1.691 ++++ mpfr-3.0.0-b/PATCHES	2010-09-07 08:48:46.000000000 +0000
   1.692 +@@ -0,0 +1 @@
   1.693 ++mpfr_cmp/set_ui/si
   1.694 +diff -Naurd mpfr-3.0.0-a/VERSION mpfr-3.0.0-b/VERSION
   1.695 +--- mpfr-3.0.0-a/VERSION	2010-07-10 00:11:53.000000000 +0000
   1.696 ++++ mpfr-3.0.0-b/VERSION	2010-09-07 08:46:06.000000000 +0000
   1.697 +@@ -1 +1 @@
   1.698 +-3.0.0-p3
   1.699 ++3.0.0-p4
   1.700 +diff -Naurd mpfr-3.0.0-a/mpfr.h mpfr-3.0.0-b/mpfr.h
   1.701 +--- mpfr-3.0.0-a/mpfr.h	2010-07-10 00:11:53.000000000 +0000
   1.702 ++++ mpfr-3.0.0-b/mpfr.h	2010-09-07 08:46:06.000000000 +0000
   1.703 +@@ -27,7 +27,7 @@
   1.704 + #define MPFR_VERSION_MAJOR 3
   1.705 + #define MPFR_VERSION_MINOR 0
   1.706 + #define MPFR_VERSION_PATCHLEVEL 0
   1.707 +-#define MPFR_VERSION_STRING "3.0.0-p3"
   1.708 ++#define MPFR_VERSION_STRING "3.0.0-p4"
   1.709 + 
   1.710 + /* Macros dealing with MPFR VERSION */
   1.711 + #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   1.712 +@@ -798,35 +798,45 @@
   1.713 +      anyway. Checking with other ICC versions is needed. Possibly detect
   1.714 +      whether warnings are produced or not with a configure test.
   1.715 +    + Remove C++ too, since it complains too much. */
   1.716 ++/* Added casts to improve robustness in case of undefined behavior and
   1.717 ++   compiler extensions based on UB (in particular -fwrapv). MPFR doesn't
   1.718 ++   use such extensions, but these macros will be used by 3rd-party code,
   1.719 ++   where such extensions may be required.
   1.720 ++   Moreover casts to unsigned long have been added to avoid warnings in
   1.721 ++   programs that use MPFR and are compiled with -Wconversion; such casts
   1.722 ++   are OK since if X is a constant expression, then (unsigned long) X is
   1.723 ++   also a constant expression, so that the optimizations still work. */
   1.724 + #if defined (__GNUC__) && !defined(__ICC) && !defined(__cplusplus)
   1.725 + #if (__GNUC__ >= 2)
   1.726 + #undef mpfr_cmp_ui
   1.727 +-/* We use the fact that mpfr_sgn on NaN sets the erange flag and returns 0. */
   1.728 +-#define mpfr_cmp_ui(_f,_u)                 \
   1.729 +- (__builtin_constant_p (_u) && (_u) == 0 ? \
   1.730 +-   mpfr_sgn (_f) :                         \
   1.731 +-   mpfr_cmp_ui_2exp ((_f),(_u),0))
   1.732 ++/* We use the fact that mpfr_sgn on NaN sets the erange flag and returns 0.
   1.733 ++   But warning! mpfr_sgn is specified as a macro in the API, thus the macro
   1.734 ++   mustn't be used if side effects are possible, like here. */
   1.735 ++#define mpfr_cmp_ui(_f,_u)                                      \
   1.736 ++  (__builtin_constant_p (_u) && (unsigned long) (_u) == 0 ?     \
   1.737 ++   (mpfr_sgn) (_f) :                                            \
   1.738 ++   mpfr_cmp_ui_2exp ((_f), (unsigned long) (_u), 0))
   1.739 + #undef mpfr_cmp_si
   1.740 +-#define mpfr_cmp_si(_f,_s)                 \
   1.741 +- (__builtin_constant_p (_s) && (_s) >= 0 ? \
   1.742 +-   mpfr_cmp_ui ((_f), (_s)) :              \
   1.743 +-   mpfr_cmp_si_2exp ((_f), (_s), 0))
   1.744 ++#define mpfr_cmp_si(_f,_s)                              \
   1.745 ++  (__builtin_constant_p (_s) && (long) (_s) >= 0 ?      \
   1.746 ++   mpfr_cmp_ui ((_f), (unsigned long) (long) (_s)) :    \
   1.747 ++   mpfr_cmp_si_2exp ((_f), (long) (_s), 0))
   1.748 + #if __GNUC__ > 2 || __GNUC_MINOR__ >= 95
   1.749 + #undef mpfr_set_ui
   1.750 +-#define mpfr_set_ui(_f,_u,_r)              \
   1.751 +- (__builtin_constant_p (_u) && (_u) == 0 ? \
   1.752 +-   __extension__ ({                        \
   1.753 +-     mpfr_ptr _p = (_f);                   \
   1.754 +-     _p->_mpfr_sign = 1;                   \
   1.755 +-     _p->_mpfr_exp = __MPFR_EXP_ZERO;      \
   1.756 +-     (void) (_r); 0; }) :                  \
   1.757 +-   mpfr_set_ui_2exp ((_f), (_u), 0, (_r)))
   1.758 ++#define mpfr_set_ui(_f,_u,_r)                                   \
   1.759 ++  (__builtin_constant_p (_u) && (unsigned long) (_u) == 0 ?     \
   1.760 ++   __extension__ ({                                             \
   1.761 ++       mpfr_ptr _p = (_f);                                      \
   1.762 ++       _p->_mpfr_sign = 1;                                      \
   1.763 ++       _p->_mpfr_exp = __MPFR_EXP_ZERO;                         \
   1.764 ++       (void) (_r); 0; }) :                                     \
   1.765 ++   mpfr_set_ui_2exp ((_f), (unsigned long) (_u), 0, (_r)))
   1.766 + #endif
   1.767 + #undef mpfr_set_si
   1.768 +-#define mpfr_set_si(_f,_s,_r)              \
   1.769 +- (__builtin_constant_p (_s) && (_s) >= 0 ? \
   1.770 +-   mpfr_set_ui ((_f), (_s), (_r)) :        \
   1.771 +-   mpfr_set_si_2exp ((_f), (_s), 0, (_r)))
   1.772 ++#define mpfr_set_si(_f,_s,_r)                                   \
   1.773 ++  (__builtin_constant_p (_s) && (long) (_s) >= 0 ?              \
   1.774 ++   mpfr_set_ui ((_f), (unsigned long) (long) (_s), (_r)) :      \
   1.775 ++   mpfr_set_si_2exp ((_f), (long) (_s), 0, (_r)))
   1.776 + #endif
   1.777 + #endif
   1.778 + 
   1.779 +diff -Naurd mpfr-3.0.0-a/tests/tcmp_ui.c mpfr-3.0.0-b/tests/tcmp_ui.c
   1.780 +--- mpfr-3.0.0-a/tests/tcmp_ui.c	2010-06-10 11:00:13.000000000 +0000
   1.781 ++++ mpfr-3.0.0-b/tests/tcmp_ui.c	2010-09-07 08:45:12.000000000 +0000
   1.782 +@@ -88,6 +88,126 @@
   1.783 +   mpfr_clear (x);
   1.784 + }
   1.785 + 
   1.786 ++/* Since mpfr_cmp_ui and mpfr_cmp_si are also implemented by a macro
   1.787 ++   with __builtin_constant_p for GCC, check that side effects are
   1.788 ++   handled correctly. */
   1.789 ++static void
   1.790 ++check_macros (void)
   1.791 ++{
   1.792 ++  mpfr_t x;
   1.793 ++  int c;
   1.794 ++
   1.795 ++  mpfr_init2 (x, 32);
   1.796 ++
   1.797 ++  c = 0;
   1.798 ++  mpfr_set_ui (x, 17, MPFR_RNDN);
   1.799 ++  if (mpfr_cmp_ui (x, 17) != 0)
   1.800 ++    {
   1.801 ++      printf ("Error 1 on mpfr_cmp_ui(x,17) in check_macros\n");
   1.802 ++      exit (1);
   1.803 ++    }
   1.804 ++  if (mpfr_cmp_ui (x, (c++, 17)) != 0)
   1.805 ++    {
   1.806 ++      printf ("Error 2 on mpfr_cmp_ui(x,17) in check_macros\n");
   1.807 ++      exit (1);
   1.808 ++    }
   1.809 ++  if (c != 1)
   1.810 ++    {
   1.811 ++      printf ("Error 3 on mpfr_cmp_ui(x,17) in check_macros\n"
   1.812 ++              "(c = %d instead of 1)\n", c);
   1.813 ++      exit (1);
   1.814 ++    }
   1.815 ++  if (mpfr_cmp_si (x, 17) != 0)
   1.816 ++    {
   1.817 ++      printf ("Error 1 on mpfr_cmp_si(x,17) in check_macros\n");
   1.818 ++      exit (1);
   1.819 ++    }
   1.820 ++  if (mpfr_cmp_si (x, (c++, 17)) != 0)
   1.821 ++    {
   1.822 ++      printf ("Error 2 on mpfr_cmp_si(x,17) in check_macros\n");
   1.823 ++      exit (1);
   1.824 ++    }
   1.825 ++  if (c != 2)
   1.826 ++    {
   1.827 ++      printf ("Error 3 on mpfr_cmp_si(x,17) in check_macros\n"
   1.828 ++              "(c = %d instead of 2)\n", c);
   1.829 ++      exit (1);
   1.830 ++    }
   1.831 ++
   1.832 ++  c = 0;
   1.833 ++  mpfr_set_ui (x, 0, MPFR_RNDN);
   1.834 ++  if (mpfr_cmp_ui (x, 0) != 0)
   1.835 ++    {
   1.836 ++      printf ("Error 1 on mpfr_cmp_ui(x,0) in check_macros\n");
   1.837 ++      exit (1);
   1.838 ++    }
   1.839 ++  if (mpfr_cmp_ui (x, (c++, 0)) != 0)
   1.840 ++    {
   1.841 ++      printf ("Error 2 on mpfr_cmp_ui(x,0) in check_macros\n");
   1.842 ++      exit (1);
   1.843 ++    }
   1.844 ++  if (c != 1)
   1.845 ++    {
   1.846 ++      printf ("Error 3 on mpfr_cmp_ui(x,0) in check_macros\n"
   1.847 ++              "(c = %d instead of 1)\n", c);
   1.848 ++      exit (1);
   1.849 ++    }
   1.850 ++  if (mpfr_cmp_si (x, 0) != 0)
   1.851 ++    {
   1.852 ++      printf ("Error 1 on mpfr_cmp_si(x,0) in check_macros\n");
   1.853 ++      exit (1);
   1.854 ++    }
   1.855 ++  if (mpfr_cmp_si (x, (c++, 0)) != 0)
   1.856 ++    {
   1.857 ++      printf ("Error 2 on mpfr_cmp_si(x,0) in check_macros\n");
   1.858 ++      exit (1);
   1.859 ++    }
   1.860 ++  if (c != 2)
   1.861 ++    {
   1.862 ++      printf ("Error 3 on mpfr_cmp_si(x,0) in check_macros\n"
   1.863 ++              "(c = %d instead of 2)\n", c);
   1.864 ++      exit (1);
   1.865 ++    }
   1.866 ++
   1.867 ++  mpfr_clear (x);
   1.868 ++}
   1.869 ++
   1.870 ++/* Bug in r7114 */
   1.871 ++static void
   1.872 ++test_macros (void)
   1.873 ++{
   1.874 ++  mpfr_t x[3];
   1.875 ++  mpfr_ptr p;
   1.876 ++
   1.877 ++  mpfr_inits (x[0], x[1], x[2], (mpfr_ptr) 0);
   1.878 ++  mpfr_set_ui (x[0], 0, MPFR_RNDN);
   1.879 ++  p = x[0];
   1.880 ++  if (mpfr_cmp_ui (p++, 0) != 0)
   1.881 ++    {
   1.882 ++      printf ("Error in mpfr_cmp_ui macro: result should be 0.\n");
   1.883 ++      exit (1);
   1.884 ++    }
   1.885 ++  if (p != x[1])
   1.886 ++    {
   1.887 ++      printf ("Error in mpfr_cmp_ui macro: p - x[0] = %d (expecting 1)\n",
   1.888 ++              (int) (p - x[0]));
   1.889 ++      exit (1);
   1.890 ++    }
   1.891 ++  p = x[0];
   1.892 ++  if (mpfr_cmp_si (p++, 0) != 0)
   1.893 ++    {
   1.894 ++      printf ("Error in mpfr_cmp_si macro: result should be 0.\n");
   1.895 ++      exit (1);
   1.896 ++    }
   1.897 ++  if (p != x[1])
   1.898 ++    {
   1.899 ++      printf ("Error in mpfr_cmp_si macro: p - x[0] = %d (expecting 1)\n",
   1.900 ++              (int) (p - x[0]));
   1.901 ++      exit (1);
   1.902 ++    }
   1.903 ++  mpfr_clears (x[0], x[1], x[2], (mpfr_ptr) 0);
   1.904 ++}
   1.905 ++
   1.906 + int
   1.907 + main (void)
   1.908 + {
   1.909 +@@ -216,6 +336,8 @@
   1.910 +   mpfr_clear (x);
   1.911 + 
   1.912 +   check_nan ();
   1.913 ++  check_macros ();
   1.914 ++  test_macros ();
   1.915 + 
   1.916 +   tests_end_mpfr ();
   1.917 +   return 0;
   1.918 +diff -Naurd mpfr-3.0.0-a/version.c mpfr-3.0.0-b/version.c
   1.919 +--- mpfr-3.0.0-a/version.c	2010-07-10 00:11:53.000000000 +0000
   1.920 ++++ mpfr-3.0.0-b/version.c	2010-09-07 08:46:06.000000000 +0000
   1.921 +@@ -25,5 +25,5 @@
   1.922 + const char *
   1.923 + mpfr_get_version (void)
   1.924 + {
   1.925 +-  return "3.0.0-p3";
   1.926 ++  return "3.0.0-p4";
   1.927 + }
   1.928 +diff -Naurd mpfr-3.0.0-a/PATCHES mpfr-3.0.0-b/PATCHES
   1.929 +--- mpfr-3.0.0-a/PATCHES	2010-10-21 20:28:38.000000000 +0000
   1.930 ++++ mpfr-3.0.0-b/PATCHES	2010-10-21 20:28:38.000000000 +0000
   1.931 +@@ -0,0 +1 @@
   1.932 ++tcan_round
   1.933 +diff -Naurd mpfr-3.0.0-a/VERSION mpfr-3.0.0-b/VERSION
   1.934 +--- mpfr-3.0.0-a/VERSION	2010-09-07 08:46:06.000000000 +0000
   1.935 ++++ mpfr-3.0.0-b/VERSION	2010-10-21 20:28:38.000000000 +0000
   1.936 +@@ -1 +1 @@
   1.937 +-3.0.0-p4
   1.938 ++3.0.0-p5
   1.939 +diff -Naurd mpfr-3.0.0-a/mpfr.h mpfr-3.0.0-b/mpfr.h
   1.940 +--- mpfr-3.0.0-a/mpfr.h	2010-09-07 08:46:06.000000000 +0000
   1.941 ++++ mpfr-3.0.0-b/mpfr.h	2010-10-21 20:28:38.000000000 +0000
   1.942 +@@ -27,7 +27,7 @@
   1.943 + #define MPFR_VERSION_MAJOR 3
   1.944 + #define MPFR_VERSION_MINOR 0
   1.945 + #define MPFR_VERSION_PATCHLEVEL 0
   1.946 +-#define MPFR_VERSION_STRING "3.0.0-p4"
   1.947 ++#define MPFR_VERSION_STRING "3.0.0-p5"
   1.948 + 
   1.949 + /* Macros dealing with MPFR VERSION */
   1.950 + #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   1.951 +diff -Naurd mpfr-3.0.0-a/tests/tcan_round.c mpfr-3.0.0-b/tests/tcan_round.c
   1.952 +--- mpfr-3.0.0-a/tests/tcan_round.c	2010-06-10 11:00:13.000000000 +0000
   1.953 ++++ mpfr-3.0.0-b/tests/tcan_round.c	2010-10-21 20:28:38.000000000 +0000
   1.954 +@@ -41,7 +41,7 @@
   1.955 +       /* avoid mpn_random which leaks memory */
   1.956 +       for (i = 0; i < n; i++)
   1.957 +         buf[i] = randlimb ();
   1.958 +-      p = (mpfr_prec_t) randlimb() % ((n-1) * GMP_NUMB_BITS) + MPFR_PREC_MIN;
   1.959 ++      p = randlimb() % ((n-1) * GMP_NUMB_BITS) + MPFR_PREC_MIN;
   1.960 +       err = p + randlimb () % GMP_NUMB_BITS;
   1.961 +       r1 = mpfr_round_p (buf, n, err, p);
   1.962 +       r2 = mpfr_can_round_raw (buf, n, MPFR_SIGN_POS, err,
   1.963 +diff -Naurd mpfr-3.0.0-a/version.c mpfr-3.0.0-b/version.c
   1.964 +--- mpfr-3.0.0-a/version.c	2010-09-07 08:46:06.000000000 +0000
   1.965 ++++ mpfr-3.0.0-b/version.c	2010-10-21 20:28:38.000000000 +0000
   1.966 +@@ -25,5 +25,5 @@
   1.967 + const char *
   1.968 + mpfr_get_version (void)
   1.969 + {
   1.970 +-  return "3.0.0-p4";
   1.971 ++  return "3.0.0-p5";
   1.972 + }
   1.973 +diff -Naurd mpfr-3.0.0-a/PATCHES mpfr-3.0.0-b/PATCHES
   1.974 +--- mpfr-3.0.0-a/PATCHES	2010-10-21 20:59:32.000000000 +0000
   1.975 ++++ mpfr-3.0.0-b/PATCHES	2010-10-21 20:59:32.000000000 +0000
   1.976 +@@ -0,0 +1 @@
   1.977 ++mpfr_sub1
   1.978 +diff -Naurd mpfr-3.0.0-a/VERSION mpfr-3.0.0-b/VERSION
   1.979 +--- mpfr-3.0.0-a/VERSION	2010-10-21 20:28:38.000000000 +0000
   1.980 ++++ mpfr-3.0.0-b/VERSION	2010-10-21 20:59:32.000000000 +0000
   1.981 +@@ -1 +1 @@
   1.982 +-3.0.0-p5
   1.983 ++3.0.0-p6
   1.984 +diff -Naurd mpfr-3.0.0-a/mpfr.h mpfr-3.0.0-b/mpfr.h
   1.985 +--- mpfr-3.0.0-a/mpfr.h	2010-10-21 20:28:38.000000000 +0000
   1.986 ++++ mpfr-3.0.0-b/mpfr.h	2010-10-21 20:59:32.000000000 +0000
   1.987 +@@ -27,7 +27,7 @@
   1.988 + #define MPFR_VERSION_MAJOR 3
   1.989 + #define MPFR_VERSION_MINOR 0
   1.990 + #define MPFR_VERSION_PATCHLEVEL 0
   1.991 +-#define MPFR_VERSION_STRING "3.0.0-p5"
   1.992 ++#define MPFR_VERSION_STRING "3.0.0-p6"
   1.993 + 
   1.994 + /* Macros dealing with MPFR VERSION */
   1.995 + #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   1.996 +diff -Naurd mpfr-3.0.0-a/sub1.c mpfr-3.0.0-b/sub1.c
   1.997 +--- mpfr-3.0.0-a/sub1.c	2010-06-10 11:00:14.000000000 +0000
   1.998 ++++ mpfr-3.0.0-b/sub1.c	2010-10-21 20:59:32.000000000 +0000
   1.999 +@@ -37,7 +37,9 @@
  1.1000 +   mp_size_t cancel2, an, bn, cn, cn0;
  1.1001 +   mp_limb_t *ap, *bp, *cp;
  1.1002 +   mp_limb_t carry, bb, cc, borrow = 0;
  1.1003 +-  int inexact, shift_b, shift_c, is_exact = 1, down = 0, add_exp = 0;
  1.1004 ++  int inexact, shift_b, shift_c, add_exp = 0;
  1.1005 ++  int cmp_low = 0; /* used for rounding to nearest: 0 if low(b) = low(c),
  1.1006 ++                      negative if low(b) < low(c), positive if low(b)>low(c) */
  1.1007 +   int sh, k;
  1.1008 +   MPFR_TMP_DECL(marker);
  1.1009 + 
  1.1010 +@@ -196,7 +198,8 @@
  1.1011 +     }
  1.1012 + 
  1.1013 + #ifdef DEBUG
  1.1014 +-  printf ("shift_b=%d shift_c=%d diffexp=%lu\n", shift_b, shift_c,
  1.1015 ++  printf ("rnd=%s shift_b=%d shift_c=%d diffexp=%lu\n",
  1.1016 ++          mpfr_print_rnd_mode (rnd_mode), shift_b, shift_c,
  1.1017 +           (unsigned long) diff_exp);
  1.1018 + #endif
  1.1019 + 
  1.1020 +@@ -307,17 +310,18 @@
  1.1021 +     {
  1.1022 +       if (MPFR_LIKELY(sh))
  1.1023 +         {
  1.1024 +-          is_exact = (carry == 0);
  1.1025 +           /* can decide except when carry = 2^(sh-1) [middle]
  1.1026 +              or carry = 0 [truncate, but cannot decide inexact flag] */
  1.1027 +-          down = (carry < (MPFR_LIMB_ONE << (sh - 1)));
  1.1028 +           if (carry > (MPFR_LIMB_ONE << (sh - 1)))
  1.1029 +             goto add_one_ulp;
  1.1030 +-          else if ((0 < carry) && down)
  1.1031 ++          else if ((0 < carry) && (carry < (MPFR_LIMB_ONE << (sh - 1))))
  1.1032 +             {
  1.1033 +               inexact = -1; /* result if smaller than exact value */
  1.1034 +               goto truncate;
  1.1035 +             }
  1.1036 ++          /* now carry = 2^(sh-1), in which case cmp_low=2,
  1.1037 ++             or carry = 0, in which case cmp_low=0 */
  1.1038 ++          cmp_low = (carry == 0) ? 0 : 2;
  1.1039 +         }
  1.1040 +     }
  1.1041 +   else /* directed rounding: set rnd_mode to RNDZ iff toward zero */
  1.1042 +@@ -344,12 +348,32 @@
  1.1043 +   cn -= (long int) an + cancel2;
  1.1044 + 
  1.1045 + #ifdef DEBUG
  1.1046 +-  printf ("last %d bits from a are %lu, bn=%ld, cn=%ld\n",
  1.1047 ++  printf ("last sh=%d bits from a are %lu, bn=%ld, cn=%ld\n",
  1.1048 +           sh, (unsigned long) carry, (long) bn, (long) cn);
  1.1049 + #endif
  1.1050 + 
  1.1051 ++  /* for rounding to nearest, we couldn't conclude up to here in the following
  1.1052 ++     cases:
  1.1053 ++     1. sh = 0, then cmp_low=0: we can either truncate, subtract one ulp
  1.1054 ++        or add one ulp: -1 ulp < low(b)-low(c) < 1 ulp
  1.1055 ++     2. sh > 0 but the low sh bits from high(b)-high(c) equal 2^(sh-1):
  1.1056 ++        -0.5 ulp <= -1/2^sh < low(b)-low(c)-0.5 < 1/2^sh <= 0.5 ulp
  1.1057 ++        we can't decide the rounding, in that case cmp_low=2:
  1.1058 ++        either we truncate and flag=-1, or we add one ulp and flag=1
  1.1059 ++     3. the low sh>0 bits from high(b)-high(c) equal 0: we know we have to
  1.1060 ++        truncate but we can't decide the ternary value, here cmp_low=0:
  1.1061 ++        -0.5 ulp <= -1/2^sh < low(b)-low(c) < 1/2^sh <= 0.5 ulp
  1.1062 ++        we always truncate and inexact can be any of -1,0,1
  1.1063 ++  */
  1.1064 ++
  1.1065 ++  /* note: here cn might exceed cn0, in which case we consider a zero limb */
  1.1066 +   for (k = 0; (bn > 0) || (cn > 0); k = 1)
  1.1067 +     {
  1.1068 ++      /* if cmp_low < 0, we know low(b) - low(c) < 0
  1.1069 ++         if cmp_low > 0, we know low(b) - low(c) > 0
  1.1070 ++            (more precisely if cmp_low = 2, low(b) - low(c) = 0.5 ulp so far)
  1.1071 ++         if cmp_low = 0, so far low(b) - low(c) = 0 */
  1.1072 ++
  1.1073 +       /* get next limbs */
  1.1074 +       bb = (bn > 0) ? bp[--bn] : 0;
  1.1075 +       if ((cn > 0) && (cn-- <= cn0))
  1.1076 +@@ -357,76 +381,115 @@
  1.1077 +       else
  1.1078 +         cc = 0;
  1.1079 + 
  1.1080 +-      /* down is set when low(b) < low(c) */
  1.1081 +-      if (down == 0)
  1.1082 +-        down = (bb < cc);
  1.1083 ++      /* cmp_low compares low(b) and low(c) */
  1.1084 ++      if (cmp_low == 0) /* case 1 or 3 */
  1.1085 ++        cmp_low = (bb < cc) ? -2+k : (bb > cc) ? 1 : 0;
  1.1086 ++
  1.1087 ++      /* Case 1 for k=0 splits into 7 subcases:
  1.1088 ++         1a: bb > cc + half
  1.1089 ++         1b: bb = cc + half
  1.1090 ++         1c: 0 < bb - cc < half
  1.1091 ++         1d: bb = cc
  1.1092 ++         1e: -half < bb - cc < 0
  1.1093 ++         1f: bb - cc = -half
  1.1094 ++         1g: bb - cc < -half
  1.1095 ++
  1.1096 ++         Case 2 splits into 3 subcases:
  1.1097 ++         2a: bb > cc
  1.1098 ++         2b: bb = cc
  1.1099 ++         2c: bb < cc
  1.1100 ++
  1.1101 ++         Case 3 splits into 3 subcases:
  1.1102 ++         3a: bb > cc
  1.1103 ++         3b: bb = cc
  1.1104 ++         3c: bb < cc
  1.1105 ++      */
  1.1106 + 
  1.1107 +       /* the case rounding to nearest with sh=0 is special since one couldn't
  1.1108 +          subtract above 1/2 ulp in the trailing limb of the result */
  1.1109 +-      if ((rnd_mode == MPFR_RNDN) && sh == 0 && k == 0)
  1.1110 ++      if (rnd_mode == MPFR_RNDN && sh == 0 && k == 0) /* case 1 for k=0 */
  1.1111 +         {
  1.1112 +           mp_limb_t half = MPFR_LIMB_HIGHBIT;
  1.1113 + 
  1.1114 +-          is_exact = (bb == cc);
  1.1115 +-
  1.1116 +           /* add one ulp if bb > cc + half
  1.1117 +              truncate if cc - half < bb < cc + half
  1.1118 +              sub one ulp if bb < cc - half
  1.1119 +           */
  1.1120 + 
  1.1121 +-          if (down)
  1.1122 ++          if (cmp_low < 0) /* bb < cc: -1 ulp < low(b) - low(c) < 0,
  1.1123 ++                              cases 1e, 1f and 1g */
  1.1124 +             {
  1.1125 +               if (cc >= half)
  1.1126 +                 cc -= half;
  1.1127 +-              else
  1.1128 ++              else /* since bb < cc < half, bb+half < 2*half */
  1.1129 +                 bb += half;
  1.1130 ++              /* now we have bb < cc + half:
  1.1131 ++                 we have to subtract one ulp if bb < cc,
  1.1132 ++                 and truncate if bb > cc */
  1.1133 +             }
  1.1134 +-          else /* bb >= cc */
  1.1135 ++          else if (cmp_low >= 0) /* bb >= cc, cases 1a to 1d */
  1.1136 +             {
  1.1137 +               if (cc < half)
  1.1138 +                 cc += half;
  1.1139 +-              else
  1.1140 ++              else /* since bb >= cc >= half, bb - half >= 0 */
  1.1141 +                 bb -= half;
  1.1142 ++              /* now we have bb > cc - half: we have to add one ulp if bb > cc,
  1.1143 ++                 and truncate if bb < cc */
  1.1144 ++              if (cmp_low > 0)
  1.1145 ++                cmp_low = 2;
  1.1146 +             }
  1.1147 +         }
  1.1148 + 
  1.1149 + #ifdef DEBUG
  1.1150 +-      printf ("    bb=%lu cc=%lu down=%d is_exact=%d\n",
  1.1151 +-              (unsigned long) bb, (unsigned long) cc, down, is_exact);
  1.1152 ++      printf ("k=%u bb=%lu cc=%lu cmp_low=%d\n", k,
  1.1153 ++              (unsigned long) bb, (unsigned long) cc, cmp_low);
  1.1154 + #endif
  1.1155 +-      if (bb < cc)
  1.1156 ++      if (cmp_low < 0) /* low(b) - low(c) < 0: either truncate or subtract
  1.1157 ++                          one ulp */
  1.1158 +         {
  1.1159 +           if (rnd_mode == MPFR_RNDZ)
  1.1160 +-            goto sub_one_ulp;
  1.1161 ++            goto sub_one_ulp; /* set inexact=-1 */
  1.1162 +           else if (rnd_mode != MPFR_RNDN) /* round away */
  1.1163 +             {
  1.1164 +               inexact = 1;
  1.1165 +               goto truncate;
  1.1166 +             }
  1.1167 +-          else /* round to nearest: special case here since for sh=k=0
  1.1168 +-                  bb = bb0 - MPFR_LIMB_HIGHBIT */
  1.1169 ++          else /* round to nearest */
  1.1170 +             {
  1.1171 +-              if (is_exact && sh == 0)
  1.1172 +-                {
  1.1173 +-                  /* For k=0 we can't decide exactness since it may depend
  1.1174 +-                     from low order bits.
  1.1175 +-                     For k=1, the first low limbs matched: low(b)-low(c)<0. */
  1.1176 +-                  if (k)
  1.1177 +-                    {
  1.1178 +-                      inexact = 1;
  1.1179 +-                      goto truncate;
  1.1180 +-                    }
  1.1181 +-                }
  1.1182 +-              else if (down && sh == 0)
  1.1183 +-                goto sub_one_ulp;
  1.1184 +-              else
  1.1185 +-                {
  1.1186 +-                  inexact = (is_exact) ? 1 : -1;
  1.1187 ++              /* If cmp_low < 0 and bb > cc, then -0.5 ulp < low(b)-low(c) < 0,
  1.1188 ++                 whatever the value of sh.
  1.1189 ++                 If sh>0, then cmp_low < 0 implies that the initial neglected
  1.1190 ++                 sh bits were 0 (otherwise cmp_low=2 initially), thus the
  1.1191 ++                 weight of the new bits is less than 0.5 ulp too.
  1.1192 ++                 If k > 0 (and sh=0) this means that either the first neglected
  1.1193 ++                 limbs bb and cc were equal (thus cmp_low was 0 for k=0),
  1.1194 ++                 or we had bb - cc = -0.5 ulp or 0.5 ulp.
  1.1195 ++                 The last case is not possible here since we would have
  1.1196 ++                 cmp_low > 0 which is sticky.
  1.1197 ++                 In the first case (where we have cmp_low = -1), we truncate,
  1.1198 ++                 whereas in the 2nd case we have cmp_low = -2 and we subtract
  1.1199 ++                 one ulp.
  1.1200 ++              */
  1.1201 ++              if (bb > cc || sh > 0 || cmp_low == -1)
  1.1202 ++                {  /* -0.5 ulp < low(b)-low(c) < 0,
  1.1203 ++                      bb > cc corresponds to cases 1e and 1f1
  1.1204 ++                      sh > 0 corresponds to cases 3c and 3b3
  1.1205 ++                      cmp_low = -1 corresponds to case 1d3 (also 3b3) */
  1.1206 ++                  inexact = 1;
  1.1207 +                   goto truncate;
  1.1208 +                 }
  1.1209 ++              else if (bb < cc) /* here sh = 0 and low(b)-low(c) < -0.5 ulp,
  1.1210 ++                                   this corresponds to cases 1g and 1f3 */
  1.1211 ++                goto sub_one_ulp;
  1.1212 ++              /* the only case where we can't conclude is sh=0 and bb=cc,
  1.1213 ++                 i.e., we have low(b) - low(c) = -0.5 ulp (up to now), thus
  1.1214 ++                 we don't know if we must truncate or subtract one ulp.
  1.1215 ++                 Note: for sh=0 we can't have low(b) - low(c) = -0.5 ulp up to
  1.1216 ++                 now, since low(b) - low(c) > 1/2^sh */
  1.1217 +             }
  1.1218 +         }
  1.1219 +-      else if (bb > cc)
  1.1220 ++      else if (cmp_low > 0) /* 0 < low(b) - low(c): either truncate or
  1.1221 ++                               add one ulp */
  1.1222 +         {
  1.1223 +           if (rnd_mode == MPFR_RNDZ)
  1.1224 +             {
  1.1225 +@@ -437,34 +500,70 @@
  1.1226 +             goto add_one_ulp;
  1.1227 +           else /* round to nearest */
  1.1228 +             {
  1.1229 +-              if (is_exact)
  1.1230 ++              if (bb > cc)
  1.1231 +                 {
  1.1232 +-                  inexact = -1;
  1.1233 +-                  goto truncate;
  1.1234 ++                  /* if sh=0, then bb>cc means that low(b)-low(c) > 0.5 ulp,
  1.1235 ++                     and similarly when cmp_low=2 */
  1.1236 ++                  if (cmp_low == 2) /* cases 1a, 1b1, 2a and 2b1 */
  1.1237 ++                    goto add_one_ulp;
  1.1238 ++                  /* sh > 0 and cmp_low > 0: this implies that the sh initial
  1.1239 ++                     neglected bits were 0, and the remaining low(b)-low(c)>0,
  1.1240 ++                     but its weight is less than 0.5 ulp */
  1.1241 ++                  else /* 0 < low(b) - low(c) < 0.5 ulp, this corresponds to
  1.1242 ++                          cases 3a, 1d1 and 3b1 */
  1.1243 ++                    {
  1.1244 ++                      inexact = -1;
  1.1245 ++                      goto truncate;
  1.1246 ++                    }
  1.1247 +                 }
  1.1248 +-              else if (down)
  1.1249 ++              else if (bb < cc) /* 0 < low(b) - low(c) < 0.5 ulp, cases 1c,
  1.1250 ++                                   1b3, 2b3 and 2c */
  1.1251 +                 {
  1.1252 +-                  inexact = 1;
  1.1253 ++                  inexact = -1;
  1.1254 +                   goto truncate;
  1.1255 +                 }
  1.1256 +-              else
  1.1257 +-                goto add_one_ulp;
  1.1258 ++              /* the only case where we can't conclude is bb=cc, i.e.,
  1.1259 ++                 low(b) - low(c) = 0.5 ulp (up to now), thus we don't know
  1.1260 ++                 if we must truncate or add one ulp. */
  1.1261 +             }
  1.1262 +         }
  1.1263 ++      /* after k=0, we cannot conclude in the following cases, we split them
  1.1264 ++         according to the values of bb and cc for k=1:
  1.1265 ++         1b. sh=0 and cmp_low = 1 and bb-cc = half [around 0.5 ulp]
  1.1266 ++             1b1. bb > cc: add one ulp, inex = 1
  1.1267 ++             1b2: bb = cc: cannot conclude
  1.1268 ++             1b3: bb < cc: truncate, inex = -1
  1.1269 ++         1d. sh=0 and cmp_low = 0 and bb-cc = 0 [around 0]
  1.1270 ++             1d1: bb > cc: truncate, inex = -1
  1.1271 ++             1d2: bb = cc: cannot conclude
  1.1272 ++             1d3: bb < cc: truncate, inex = +1
  1.1273 ++         1f. sh=0 and cmp_low = -1 and bb-cc = -half [around -0.5 ulp]
  1.1274 ++             1f1: bb > cc: truncate, inex = +1
  1.1275 ++             1f2: bb = cc: cannot conclude
  1.1276 ++             1f3: bb < cc: sub one ulp, inex = -1
  1.1277 ++         2b. sh > 0 and cmp_low = 2 and bb=cc [around 0.5 ulp]
  1.1278 ++             2b1. bb > cc: add one ulp, inex = 1
  1.1279 ++             2b2: bb = cc: cannot conclude
  1.1280 ++             2b3: bb < cc: truncate, inex = -1
  1.1281 ++         3b. sh > 0 and cmp_low = 0 [around 0]
  1.1282 ++             3b1. bb > cc: truncate, inex = -1
  1.1283 ++             3b2: bb = cc: cannot conclude
  1.1284 ++             3b3: bb < cc: truncate, inex = +1
  1.1285 ++      */
  1.1286 +     }
  1.1287 + 
  1.1288 +-  if ((rnd_mode == MPFR_RNDN) && !is_exact)
  1.1289 ++  if ((rnd_mode == MPFR_RNDN) && cmp_low != 0)
  1.1290 +     {
  1.1291 +       /* even rounding rule */
  1.1292 +       if ((ap[0] >> sh) & 1)
  1.1293 +         {
  1.1294 +-          if (down)
  1.1295 ++          if (cmp_low < 0)
  1.1296 +             goto sub_one_ulp;
  1.1297 +           else
  1.1298 +             goto add_one_ulp;
  1.1299 +         }
  1.1300 +       else
  1.1301 +-        inexact = (down) ? 1 : -1;
  1.1302 ++        inexact = (cmp_low > 0) ? -1 : 1;
  1.1303 +     }
  1.1304 +   else
  1.1305 +     inexact = 0;
  1.1306 +diff -Naurd mpfr-3.0.0-a/tests/tfma.c mpfr-3.0.0-b/tests/tfma.c
  1.1307 +--- mpfr-3.0.0-a/tests/tfma.c	2010-06-10 11:00:13.000000000 +0000
  1.1308 ++++ mpfr-3.0.0-b/tests/tfma.c	2010-10-21 20:59:32.000000000 +0000
  1.1309 +@@ -337,6 +337,94 @@
  1.1310 +   mpfr_clears (x, y, z, r, (mpfr_ptr) 0);
  1.1311 + }
  1.1312 + 
  1.1313 ++static void
  1.1314 ++bug20101018 (void)
  1.1315 ++{
  1.1316 ++  mpfr_t x, y, z, t, u;
  1.1317 ++  int i;
  1.1318 ++
  1.1319 ++  mpfr_init2 (x, 64);
  1.1320 ++  mpfr_init2 (y, 64);
  1.1321 ++  mpfr_init2 (z, 64);
  1.1322 ++  mpfr_init2 (t, 64);
  1.1323 ++  mpfr_init2 (u, 64);
  1.1324 ++
  1.1325 ++  mpfr_set_str (x, "0xf.fffffffffffffffp-14766", 16, MPFR_RNDN);
  1.1326 ++  mpfr_set_str (y, "-0xf.fffffffffffffffp+317", 16, MPFR_RNDN);
  1.1327 ++  mpfr_set_str (z, "0x8.3ffffffffffe3ffp-14443", 16, MPFR_RNDN);
  1.1328 ++  mpfr_set_str (t, "0x8.7ffffffffffc7ffp-14444", 16, MPFR_RNDN);
  1.1329 ++  i = mpfr_fma (u, x, y, z, MPFR_RNDN);
  1.1330 ++  if (mpfr_cmp (u, t) != 0)
  1.1331 ++    {
  1.1332 ++      printf ("Wrong result in bug20101018 (a)\n");
  1.1333 ++      printf ("Expected ");
  1.1334 ++      mpfr_out_str (stdout, 16, 0, t, MPFR_RNDN);
  1.1335 ++      printf ("\nGot      ");
  1.1336 ++      mpfr_out_str (stdout, 16, 0, u, MPFR_RNDN);
  1.1337 ++      printf ("\n");
  1.1338 ++      exit (1);
  1.1339 ++    }
  1.1340 ++  if (i <= 0)
  1.1341 ++    {
  1.1342 ++      printf ("Wrong ternary value in bug20101018 (a)\n");
  1.1343 ++      printf ("Expected > 0\n");
  1.1344 ++      printf ("Got      %d\n", i);
  1.1345 ++      exit (1);
  1.1346 ++    }
  1.1347 ++
  1.1348 ++  mpfr_set_str (x, "-0xf.fffffffffffffffp-11420", 16, MPFR_RNDN);
  1.1349 ++  mpfr_set_str (y, "0xf.fffffffffffffffp+9863", 16, MPFR_RNDN);
  1.1350 ++  mpfr_set_str (z, "0x8.fffff80ffffffffp-1551", 16, MPFR_RNDN);
  1.1351 ++  mpfr_set_str (t, "0x9.fffff01ffffffffp-1552", 16, MPFR_RNDN);
  1.1352 ++  i = mpfr_fma (u, x, y, z, MPFR_RNDN);
  1.1353 ++  if (mpfr_cmp (u, t) != 0)
  1.1354 ++    {
  1.1355 ++      printf ("Wrong result in bug20101018 (b)\n");
  1.1356 ++      printf ("Expected ");
  1.1357 ++      mpfr_out_str (stdout, 16, 0, t, MPFR_RNDN);
  1.1358 ++      printf ("\nGot      ");
  1.1359 ++      mpfr_out_str (stdout, 16, 0, u, MPFR_RNDN);
  1.1360 ++      printf ("\n");
  1.1361 ++      exit (1);
  1.1362 ++    }
  1.1363 ++  if (i <= 0)
  1.1364 ++    {
  1.1365 ++      printf ("Wrong ternary value in bug20101018 (b)\n");
  1.1366 ++      printf ("Expected > 0\n");
  1.1367 ++      printf ("Got      %d\n", i);
  1.1368 ++      exit (1);
  1.1369 ++    }
  1.1370 ++
  1.1371 ++  mpfr_set_str (x, "0xf.fffffffffffffffp-2125", 16, MPFR_RNDN);
  1.1372 ++  mpfr_set_str (y, "-0xf.fffffffffffffffp-6000", 16, MPFR_RNDN);
  1.1373 ++  mpfr_set_str (z, "0x8p-8119", 16, MPFR_RNDN);
  1.1374 ++  mpfr_set_str (t, "0x8.000000000000001p-8120", 16, MPFR_RNDN);
  1.1375 ++  i = mpfr_fma (u, x, y, z, MPFR_RNDN);
  1.1376 ++  if (mpfr_cmp (u, t) != 0)
  1.1377 ++    {
  1.1378 ++      printf ("Wrong result in bug20101018 (c)\n");
  1.1379 ++      printf ("Expected ");
  1.1380 ++      mpfr_out_str (stdout, 16, 0, t, MPFR_RNDN);
  1.1381 ++      printf ("\nGot      ");
  1.1382 ++      mpfr_out_str (stdout, 16, 0, u, MPFR_RNDN);
  1.1383 ++      printf ("\n");
  1.1384 ++      exit (1);
  1.1385 ++    }
  1.1386 ++  if (i <= 0)
  1.1387 ++    {
  1.1388 ++      printf ("Wrong ternary value in bug20101018 (c)\n");
  1.1389 ++      printf ("Expected > 0\n");
  1.1390 ++      printf ("Got      %d\n", i);
  1.1391 ++      exit (1);
  1.1392 ++    }
  1.1393 ++
  1.1394 ++  mpfr_clear (x);
  1.1395 ++  mpfr_clear (y);
  1.1396 ++  mpfr_clear (z);
  1.1397 ++  mpfr_clear (t);
  1.1398 ++  mpfr_clear (u);
  1.1399 ++}
  1.1400 ++
  1.1401 + int
  1.1402 + main (int argc, char *argv[])
  1.1403 + {
  1.1404 +@@ -345,6 +433,8 @@
  1.1405 + 
  1.1406 +   tests_start_mpfr ();
  1.1407 + 
  1.1408 ++  bug20101018 ();
  1.1409 ++
  1.1410 +   mpfr_init (x);
  1.1411 +   mpfr_init (s);
  1.1412 +   mpfr_init (y);
  1.1413 +diff -Naurd mpfr-3.0.0-a/tests/tsub.c mpfr-3.0.0-b/tests/tsub.c
  1.1414 +--- mpfr-3.0.0-a/tests/tsub.c	2010-06-10 11:00:13.000000000 +0000
  1.1415 ++++ mpfr-3.0.0-b/tests/tsub.c	2010-10-21 20:59:32.000000000 +0000
  1.1416 +@@ -201,6 +201,8 @@
  1.1417 +   if (mpfr_cmp (z, x))
  1.1418 +     {
  1.1419 +       printf ("Error in mpfr_sub (2)\n");
  1.1420 ++      printf ("Expected "); mpfr_print_binary (x); puts ("");
  1.1421 ++      printf ("Got      "); mpfr_print_binary (z); puts ("");
  1.1422 +       exit (1);
  1.1423 +     }
  1.1424 +   mpfr_set_str_binary (x, "1.1110111011110001110111011111111111101000011001011100101100101101");
  1.1425 +@@ -478,6 +480,156 @@
  1.1426 +   mpfr_clear (u);
  1.1427 + }
  1.1428 + 
  1.1429 ++/* Bug found by Jakub Jelinek
  1.1430 ++ * http://bugzilla.redhat.com/643657
  1.1431 ++ * https://gforge.inria.fr/tracker/index.php?func=detail&aid=11301
  1.1432 ++ * The consequence can be either an assertion failure (i = 2 in the
  1.1433 ++ * testcase below, in debug mode) or an incorrectly rounded value.
  1.1434 ++ */
  1.1435 ++static void
  1.1436 ++bug20101017 (void)
  1.1437 ++{
  1.1438 ++  mpfr_t a, b, c;
  1.1439 ++  int inex;
  1.1440 ++  int i;
  1.1441 ++
  1.1442 ++  mpfr_init2 (a, GMP_NUMB_BITS * 2);
  1.1443 ++  mpfr_init2 (b, GMP_NUMB_BITS);
  1.1444 ++  mpfr_init2 (c, GMP_NUMB_BITS);
  1.1445 ++
  1.1446 ++  /* a = 2^(2N) + k.2^(2N-1) + 2^N and b = 1
  1.1447 ++     with N = GMP_NUMB_BITS and k = 0 or 1.
  1.1448 ++     c = a - b should round to the same value as a. */
  1.1449 ++
  1.1450 ++  for (i = 2; i <= 3; i++)
  1.1451 ++    {
  1.1452 ++      mpfr_set_ui_2exp (a, i, GMP_NUMB_BITS - 1, MPFR_RNDN);
  1.1453 ++      mpfr_add_ui (a, a, 1, MPFR_RNDN);
  1.1454 ++      mpfr_mul_2ui (a, a, GMP_NUMB_BITS, MPFR_RNDN);
  1.1455 ++      mpfr_set_ui (b, 1, MPFR_RNDN);
  1.1456 ++      inex = mpfr_sub (c, a, b, MPFR_RNDN);
  1.1457 ++      mpfr_set (b, a, MPFR_RNDN);
  1.1458 ++      if (! mpfr_equal_p (c, b))
  1.1459 ++        {
  1.1460 ++          printf ("Error in bug20101017 for i = %d.\n", i);
  1.1461 ++          printf ("Expected ");
  1.1462 ++          mpfr_out_str (stdout, 16, 0, b, MPFR_RNDN);
  1.1463 ++          putchar ('\n');
  1.1464 ++          printf ("Got      ");
  1.1465 ++          mpfr_out_str (stdout, 16, 0, c, MPFR_RNDN);
  1.1466 ++          putchar ('\n');
  1.1467 ++          exit (1);
  1.1468 ++        }
  1.1469 ++      if (inex >= 0)
  1.1470 ++        {
  1.1471 ++          printf ("Error in bug20101017 for i = %d: bad inex value.\n", i);
  1.1472 ++          printf ("Expected negative, got %d.\n", inex);
  1.1473 ++          exit (1);
  1.1474 ++        }
  1.1475 ++    }
  1.1476 ++
  1.1477 ++  mpfr_set_prec (a, 64);
  1.1478 ++  mpfr_set_prec (b, 129);
  1.1479 ++  mpfr_set_prec (c, 2);
  1.1480 ++  mpfr_set_str_binary (b, "0.100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001E65");
  1.1481 ++  mpfr_set_str_binary (c, "0.10E1");
  1.1482 ++  inex = mpfr_sub (a, b, c, MPFR_RNDN);
  1.1483 ++  if (mpfr_cmp_ui_2exp (a, 1, 64) != 0 || inex >= 0)
  1.1484 ++    {
  1.1485 ++      printf ("Error in mpfr_sub for b-c for b=2^64+1+2^(-64), c=1\n");
  1.1486 ++      printf ("Expected result 2^64 with inex < 0\n");
  1.1487 ++      printf ("Got "); mpfr_print_binary (a);
  1.1488 ++      printf (" with inex=%d\n", inex);
  1.1489 ++      exit (1);
  1.1490 ++    }
  1.1491 ++
  1.1492 ++  mpfr_clears (a, b, c, (mpfr_ptr) 0);
  1.1493 ++}
  1.1494 ++
  1.1495 ++/* hard test of rounding */
  1.1496 ++static void
  1.1497 ++check_rounding (void)
  1.1498 ++{
  1.1499 ++  mpfr_t a, b, c, res;
  1.1500 ++  mpfr_prec_t p;
  1.1501 ++  long k, l;
  1.1502 ++  int i;
  1.1503 ++
  1.1504 ++#define MAXKL (2 * GMP_NUMB_BITS)
  1.1505 ++  for (p = MPFR_PREC_MIN; p <= GMP_NUMB_BITS; p++)
  1.1506 ++    {
  1.1507 ++      mpfr_init2 (a, p);
  1.1508 ++      mpfr_init2 (res, p);
  1.1509 ++      mpfr_init2 (b, p + 1 + MAXKL);
  1.1510 ++      mpfr_init2 (c, MPFR_PREC_MIN);
  1.1511 ++
  1.1512 ++      /* b = 2^p + 1 + 2^(-k), c = 2^(-l) */
  1.1513 ++      for (k = 0; k <= MAXKL; k++)
  1.1514 ++        for (l = 0; l <= MAXKL; l++)
  1.1515 ++          {
  1.1516 ++            mpfr_set_ui_2exp (b, 1, p, MPFR_RNDN);
  1.1517 ++            mpfr_add_ui (b, b, 1, MPFR_RNDN);
  1.1518 ++            mpfr_mul_2ui (b, b, k, MPFR_RNDN);
  1.1519 ++            mpfr_add_ui (b, b, 1, MPFR_RNDN);
  1.1520 ++            mpfr_div_2ui (b, b, k, MPFR_RNDN);
  1.1521 ++            mpfr_set_ui_2exp (c, 1, -l, MPFR_RNDN);
  1.1522 ++            i = mpfr_sub (a, b, c, MPFR_RNDN);
  1.1523 ++            /* b - c = 2^p + 1 + 2^(-k) - 2^(-l), should be rounded to
  1.1524 ++               2^p for l <= k, and 2^p+2 for l < k */
  1.1525 ++            if (l <= k)
  1.1526 ++              {
  1.1527 ++                if (mpfr_cmp_ui_2exp (a, 1, p) != 0)
  1.1528 ++                  {
  1.1529 ++                    printf ("Wrong result in check_rounding\n");
  1.1530 ++                    printf ("p=%lu k=%ld l=%ld\n", p, k, l);
  1.1531 ++                    printf ("b="); mpfr_print_binary (b); puts ("");
  1.1532 ++                    printf ("c="); mpfr_print_binary (c); puts ("");
  1.1533 ++                    printf ("Expected 2^%lu\n", p);
  1.1534 ++                    printf ("Got      "); mpfr_print_binary (a); puts ("");
  1.1535 ++                    exit (1);
  1.1536 ++                  }
  1.1537 ++                if (i >= 0)
  1.1538 ++                  {
  1.1539 ++                    printf ("Wrong ternary value in check_rounding\n");
  1.1540 ++                    printf ("p=%lu k=%ld l=%ld\n", p, k, l);
  1.1541 ++                    printf ("b="); mpfr_print_binary (b); puts ("");
  1.1542 ++                    printf ("c="); mpfr_print_binary (c); puts ("");
  1.1543 ++                    printf ("a="); mpfr_print_binary (a); puts ("");
  1.1544 ++                    printf ("Expected < 0, got %d\n", i);
  1.1545 ++                    exit (1);
  1.1546 ++                  }
  1.1547 ++              }
  1.1548 ++            else /* l < k */
  1.1549 ++              {
  1.1550 ++                mpfr_set_ui_2exp (res, 1, p, MPFR_RNDN);
  1.1551 ++                mpfr_add_ui (res, res, 2, MPFR_RNDN);
  1.1552 ++                if (mpfr_cmp (a, res) != 0)
  1.1553 ++                  {
  1.1554 ++                    printf ("Wrong result in check_rounding\n");
  1.1555 ++                    printf ("b="); mpfr_print_binary (b); puts ("");
  1.1556 ++                    printf ("c="); mpfr_print_binary (c); puts ("");
  1.1557 ++                    printf ("Expected "); mpfr_print_binary (res); puts ("");
  1.1558 ++                    printf ("Got      "); mpfr_print_binary (a); puts ("");
  1.1559 ++                    exit (1);
  1.1560 ++                  }
  1.1561 ++                if (i <= 0)
  1.1562 ++                  {
  1.1563 ++                    printf ("Wrong ternary value in check_rounding\n");
  1.1564 ++                    printf ("b="); mpfr_print_binary (b); puts ("");
  1.1565 ++                    printf ("c="); mpfr_print_binary (c); puts ("");
  1.1566 ++                    printf ("Expected > 0, got %d\n", i);
  1.1567 ++                    exit (1);
  1.1568 ++                  }
  1.1569 ++              }
  1.1570 ++          }
  1.1571 ++
  1.1572 ++      mpfr_clear (a);
  1.1573 ++      mpfr_clear (res);
  1.1574 ++      mpfr_clear (b);
  1.1575 ++      mpfr_clear (c);
  1.1576 ++    }
  1.1577 ++}
  1.1578 ++
  1.1579 + #define TEST_FUNCTION test_sub
  1.1580 + #define TWO_ARGS
  1.1581 + #define RAND_FUNCTION(x) mpfr_random2(x, MPFR_LIMB_SIZE (x), randlimb () % 100, RANDS)
  1.1582 +@@ -491,6 +643,8 @@
  1.1583 + 
  1.1584 +   tests_start_mpfr ();
  1.1585 + 
  1.1586 ++  bug20101017 ();
  1.1587 ++  check_rounding ();
  1.1588 +   check_diverse ();
  1.1589 +   check_inexact ();
  1.1590 +   bug_ddefour ();
  1.1591 +diff -Naurd mpfr-3.0.0-a/version.c mpfr-3.0.0-b/version.c
  1.1592 +--- mpfr-3.0.0-a/version.c	2010-10-21 20:28:38.000000000 +0000
  1.1593 ++++ mpfr-3.0.0-b/version.c	2010-10-21 20:59:32.000000000 +0000
  1.1594 +@@ -25,5 +25,5 @@
  1.1595 + const char *
  1.1596 + mpfr_get_version (void)
  1.1597 + {
  1.1598 +-  return "3.0.0-p5";
  1.1599 ++  return "3.0.0-p6";
  1.1600 + }
  1.1601 +diff -Naurd mpfr-3.0.0-a/PATCHES mpfr-3.0.0-b/PATCHES
  1.1602 +--- mpfr-3.0.0-a/PATCHES	2010-10-21 21:18:26.000000000 +0000
  1.1603 ++++ mpfr-3.0.0-b/PATCHES	2010-10-21 21:18:26.000000000 +0000
  1.1604 +@@ -0,0 +1 @@
  1.1605 ++mpfr_set_ld
  1.1606 +diff -Naurd mpfr-3.0.0-a/VERSION mpfr-3.0.0-b/VERSION
  1.1607 +--- mpfr-3.0.0-a/VERSION	2010-10-21 20:59:32.000000000 +0000
  1.1608 ++++ mpfr-3.0.0-b/VERSION	2010-10-21 21:18:26.000000000 +0000
  1.1609 +@@ -1 +1 @@
  1.1610 +-3.0.0-p6
  1.1611 ++3.0.0-p7
  1.1612 +diff -Naurd mpfr-3.0.0-a/mpfr.h mpfr-3.0.0-b/mpfr.h
  1.1613 +--- mpfr-3.0.0-a/mpfr.h	2010-10-21 20:59:32.000000000 +0000
  1.1614 ++++ mpfr-3.0.0-b/mpfr.h	2010-10-21 21:18:26.000000000 +0000
  1.1615 +@@ -27,7 +27,7 @@
  1.1616 + #define MPFR_VERSION_MAJOR 3
  1.1617 + #define MPFR_VERSION_MINOR 0
  1.1618 + #define MPFR_VERSION_PATCHLEVEL 0
  1.1619 +-#define MPFR_VERSION_STRING "3.0.0-p6"
  1.1620 ++#define MPFR_VERSION_STRING "3.0.0-p7"
  1.1621 + 
  1.1622 + /* Macros dealing with MPFR VERSION */
  1.1623 + #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
  1.1624 +diff -Naurd mpfr-3.0.0-a/set_ld.c mpfr-3.0.0-b/set_ld.c
  1.1625 +--- mpfr-3.0.0-a/set_ld.c	2010-06-10 11:00:14.000000000 +0000
  1.1626 ++++ mpfr-3.0.0-b/set_ld.c	2010-10-21 21:18:26.000000000 +0000
  1.1627 +@@ -102,21 +102,25 @@
  1.1628 +             {
  1.1629 +               x /= div13; /* exact */
  1.1630 +               shift_exp += 8192;
  1.1631 ++              mpfr_div_2si (t, t, 8192, MPFR_RNDZ);
  1.1632 +             }
  1.1633 +           if (ABS (x) >= div12)
  1.1634 +             {
  1.1635 +               x /= div12; /* exact */
  1.1636 +               shift_exp += 4096;
  1.1637 ++              mpfr_div_2si (t, t, 4096, MPFR_RNDZ);
  1.1638 +             }
  1.1639 +           if (ABS (x) >= div11)
  1.1640 +             {
  1.1641 +               x /= div11; /* exact */
  1.1642 +               shift_exp += 2048;
  1.1643 ++              mpfr_div_2si (t, t, 2048, MPFR_RNDZ);
  1.1644 +             }
  1.1645 +           if (ABS (x) >= div10)
  1.1646 +             {
  1.1647 +               x /= div10; /* exact */
  1.1648 +               shift_exp += 1024;
  1.1649 ++              mpfr_div_2si (t, t, 1024, MPFR_RNDZ);
  1.1650 +             }
  1.1651 +           /* warning: we may have DBL_MAX=2^1024*(1-2^(-53)) < x < 2^1024,
  1.1652 +              therefore we have one extra exponent reduction step */
  1.1653 +@@ -124,9 +128,10 @@
  1.1654 +             {
  1.1655 +               x /= div9; /* exact */
  1.1656 +               shift_exp += 512;
  1.1657 ++              mpfr_div_2si (t, t, 512, MPFR_RNDZ);
  1.1658 +             }
  1.1659 +         } /* Check overflow of double */
  1.1660 +-      else
  1.1661 ++      else /* no overflow on double */
  1.1662 +         {
  1.1663 +           long double div9, div10, div11;
  1.1664 + 
  1.1665 +@@ -149,29 +154,34 @@
  1.1666 +                 {
  1.1667 +                   x /= div13; /* exact */
  1.1668 +                   shift_exp -= 8192;
  1.1669 ++                  mpfr_mul_2si (t, t, 8192, MPFR_RNDZ);
  1.1670 +                 }
  1.1671 +               if (ABS (x) <= div12)
  1.1672 +                 {
  1.1673 +                   x /= div12; /* exact */
  1.1674 +                   shift_exp -= 4096;
  1.1675 ++                  mpfr_mul_2si (t, t, 4096, MPFR_RNDZ);
  1.1676 +                 }
  1.1677 +               if (ABS (x) <= div11)
  1.1678 +                 {
  1.1679 +                   x /= div11; /* exact */
  1.1680 +                   shift_exp -= 2048;
  1.1681 ++                  mpfr_mul_2si (t, t, 2048, MPFR_RNDZ);
  1.1682 +                 }
  1.1683 +               if (ABS (x) <= div10)
  1.1684 +                 {
  1.1685 +                   x /= div10; /* exact */
  1.1686 +                   shift_exp -= 1024;
  1.1687 ++                  mpfr_mul_2si (t, t, 1024, MPFR_RNDZ);
  1.1688 +                 }
  1.1689 +               if (ABS(x) <= div9)
  1.1690 +                 {
  1.1691 +                   x /= div9;  /* exact */
  1.1692 +                   shift_exp -= 512;
  1.1693 ++                  mpfr_mul_2si (t, t, 512, MPFR_RNDZ);
  1.1694 +                 }
  1.1695 +             }
  1.1696 +-          else
  1.1697 ++          else /* no underflow */
  1.1698 +             {
  1.1699 +               inexact = mpfr_set_d (u, (double) x, MPFR_RNDZ);
  1.1700 +               MPFR_ASSERTD (inexact == 0);
  1.1701 +diff -Naurd mpfr-3.0.0-a/tests/tset_ld.c mpfr-3.0.0-b/tests/tset_ld.c
  1.1702 +--- mpfr-3.0.0-a/tests/tset_ld.c	2010-06-10 11:00:13.000000000 +0000
  1.1703 ++++ mpfr-3.0.0-b/tests/tset_ld.c	2010-10-21 21:18:26.000000000 +0000
  1.1704 +@@ -147,12 +147,39 @@
  1.1705 + test_fixed_bugs (void)
  1.1706 + {
  1.1707 +   mpfr_t x;
  1.1708 +-  long double d;
  1.1709 ++  long double l, m;
  1.1710 + 
  1.1711 +   /* bug found by Steve Kargl (2009-03-14) */
  1.1712 +   mpfr_init2 (x, 64);
  1.1713 +   mpfr_set_ui_2exp (x, 1, -16447, MPFR_RNDN);
  1.1714 +-  d = mpfr_get_ld (x, MPFR_RNDN);  /* an assertion failed in init2.c:50 */
  1.1715 ++  mpfr_get_ld (x, MPFR_RNDN);  /* an assertion failed in init2.c:50 */
  1.1716 ++
  1.1717 ++  /* bug reported by Jakub Jelinek (2010-10-17)
  1.1718 ++     https://gforge.inria.fr/tracker/?func=detail&aid=11300 */
  1.1719 ++  mpfr_set_prec (x, MPFR_LDBL_MANT_DIG);
  1.1720 ++  /* l = 0x1.23456789abcdef0123456789abcdp-914L; */
  1.1721 ++  l = 8.215640181713713164092636634579e-276;
  1.1722 ++  mpfr_set_ld (x, l, MPFR_RNDN);
  1.1723 ++  m = mpfr_get_ld (x, MPFR_RNDN);
  1.1724 ++  if (m != l)
  1.1725 ++    {
  1.1726 ++      printf ("Error in get_ld o set_ld for l=%Le\n", l);
  1.1727 ++      printf ("Got m=%Le instead of l\n", m);
  1.1728 ++      exit (1);
  1.1729 ++    }
  1.1730 ++
  1.1731 ++  /* another similar test which failed with extended double precision and the
  1.1732 ++     generic code for mpfr_set_ld */
  1.1733 ++  /* l = 0x1.23456789abcdef0123456789abcdp-968L; */
  1.1734 ++  l = 4.560596445887084662336528403703e-292;
  1.1735 ++  mpfr_set_ld (x, l, MPFR_RNDN);
  1.1736 ++  m = mpfr_get_ld (x, MPFR_RNDN);
  1.1737 ++  if (m != l)
  1.1738 ++    {
  1.1739 ++      printf ("Error in get_ld o set_ld for l=%Le\n", l);
  1.1740 ++      printf ("Got m=%Le instead of l\n", m);
  1.1741 ++      exit (1);
  1.1742 ++    }
  1.1743 + 
  1.1744 +   mpfr_clear (x);
  1.1745 + }
  1.1746 +diff -Naurd mpfr-3.0.0-a/version.c mpfr-3.0.0-b/version.c
  1.1747 +--- mpfr-3.0.0-a/version.c	2010-10-21 20:59:32.000000000 +0000
  1.1748 ++++ mpfr-3.0.0-b/version.c	2010-10-21 21:18:26.000000000 +0000
  1.1749 +@@ -25,5 +25,5 @@
  1.1750 + const char *
  1.1751 + mpfr_get_version (void)
  1.1752 + {
  1.1753 +-  return "3.0.0-p6";
  1.1754 ++  return "3.0.0-p7";
  1.1755 + }
  1.1756 +diff -Naurd mpfr-3.0.0-a/PATCHES mpfr-3.0.0-b/PATCHES
  1.1757 +--- mpfr-3.0.0-a/PATCHES	2010-11-09 15:15:07.000000000 +0000
  1.1758 ++++ mpfr-3.0.0-b/PATCHES	2010-11-09 15:15:07.000000000 +0000
  1.1759 +@@ -0,0 +1 @@
  1.1760 ++macros
  1.1761 +diff -Naurd mpfr-3.0.0-a/VERSION mpfr-3.0.0-b/VERSION
  1.1762 +--- mpfr-3.0.0-a/VERSION	2010-10-21 21:18:26.000000000 +0000
  1.1763 ++++ mpfr-3.0.0-b/VERSION	2010-11-09 15:15:07.000000000 +0000
  1.1764 +@@ -1 +1 @@
  1.1765 +-3.0.0-p7
  1.1766 ++3.0.0-p8
  1.1767 +diff -Naurd mpfr-3.0.0-a/mpfr.h mpfr-3.0.0-b/mpfr.h
  1.1768 +--- mpfr-3.0.0-a/mpfr.h	2010-10-21 21:18:26.000000000 +0000
  1.1769 ++++ mpfr-3.0.0-b/mpfr.h	2010-11-09 15:15:07.000000000 +0000
  1.1770 +@@ -27,7 +27,7 @@
  1.1771 + #define MPFR_VERSION_MAJOR 3
  1.1772 + #define MPFR_VERSION_MINOR 0
  1.1773 + #define MPFR_VERSION_PATCHLEVEL 0
  1.1774 +-#define MPFR_VERSION_STRING "3.0.0-p7"
  1.1775 ++#define MPFR_VERSION_STRING "3.0.0-p8"
  1.1776 + 
  1.1777 + /* Macros dealing with MPFR VERSION */
  1.1778 + #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
  1.1779 +@@ -67,6 +67,16 @@
  1.1780 + # define _MPFR_H_HAVE_INTMAX_T 1
  1.1781 + #endif
  1.1782 + 
  1.1783 ++/* Avoid some problems with macro expansion if the user defines macros
  1.1784 ++   with the same name as keywords. By convention, identifiers and macro
  1.1785 ++   names starting with mpfr_ are reserved by MPFR. */
  1.1786 ++typedef void            mpfr_void;
  1.1787 ++typedef int             mpfr_int;
  1.1788 ++typedef unsigned int    mpfr_uint;
  1.1789 ++typedef long            mpfr_long;
  1.1790 ++typedef unsigned long   mpfr_ulong;
  1.1791 ++typedef size_t          mpfr_size_t;
  1.1792 ++
  1.1793 + /* Definition of rounding modes (DON'T USE MPFR_RNDNA!).
  1.1794 +    Warning! Changing the contents of this enum should be seen as an
  1.1795 +    interface change since the old and the new types are not compatible
  1.1796 +@@ -136,7 +146,7 @@
  1.1797 + typedef mp_exp_t     mpfr_exp_t;
  1.1798 + 
  1.1799 + /* Definition of the standard exponent limits */
  1.1800 +-#define MPFR_EMAX_DEFAULT ((mpfr_exp_t) (((unsigned long) 1 << 30) - 1))
  1.1801 ++#define MPFR_EMAX_DEFAULT ((mpfr_exp_t) (((mpfr_ulong) 1 << 30) - 1))
  1.1802 + #define MPFR_EMIN_DEFAULT (-(MPFR_EMAX_DEFAULT))
  1.1803 + 
  1.1804 + /* Definition of the main structure */
  1.1805 +@@ -725,13 +735,13 @@
  1.1806 +    unexpected results with future compilers and aggressive optimisations.
  1.1807 +    Why not working only with signed types, using INT_MIN and LONG_MIN? */
  1.1808 + #if __GMP_MP_SIZE_T_INT
  1.1809 +-#define __MPFR_EXP_NAN  ((mpfr_exp_t)((~((~(unsigned int)0)>>1))+2))
  1.1810 +-#define __MPFR_EXP_ZERO ((mpfr_exp_t)((~((~(unsigned int)0)>>1))+1))
  1.1811 +-#define __MPFR_EXP_INF  ((mpfr_exp_t)((~((~(unsigned int)0)>>1))+3))
  1.1812 ++#define __MPFR_EXP_NAN  ((mpfr_exp_t)((~((~(mpfr_uint)0)>>1))+2))
  1.1813 ++#define __MPFR_EXP_ZERO ((mpfr_exp_t)((~((~(mpfr_uint)0)>>1))+1))
  1.1814 ++#define __MPFR_EXP_INF  ((mpfr_exp_t)((~((~(mpfr_uint)0)>>1))+3))
  1.1815 + #else
  1.1816 +-#define __MPFR_EXP_NAN  ((mpfr_exp_t)((~((~(unsigned long)0)>>1))+2))
  1.1817 +-#define __MPFR_EXP_ZERO ((mpfr_exp_t)((~((~(unsigned long)0)>>1))+1))
  1.1818 +-#define __MPFR_EXP_INF  ((mpfr_exp_t)((~((~(unsigned long)0)>>1))+3))
  1.1819 ++#define __MPFR_EXP_NAN  ((mpfr_exp_t)((~((~(mpfr_ulong)0)>>1))+2))
  1.1820 ++#define __MPFR_EXP_ZERO ((mpfr_exp_t)((~((~(mpfr_ulong)0)>>1))+1))
  1.1821 ++#define __MPFR_EXP_INF  ((mpfr_exp_t)((~((~(mpfr_ulong)0)>>1))+3))
  1.1822 + #endif
  1.1823 + 
  1.1824 + /* Define MPFR_USE_EXTENSION to avoid "gcc -pedantic" warnings. */
  1.1825 +@@ -760,9 +770,9 @@
  1.1826 + #define mpfr_inf_p(_x)      ((_x)->_mpfr_exp == __MPFR_EXP_INF)
  1.1827 + #define mpfr_zero_p(_x)     ((_x)->_mpfr_exp == __MPFR_EXP_ZERO)
  1.1828 + #define mpfr_regular_p(_x)  ((_x)->_mpfr_exp >  __MPFR_EXP_INF)
  1.1829 +-#define mpfr_sgn(_x)                                          \
  1.1830 +-  ((_x)->_mpfr_exp < __MPFR_EXP_INF ?                         \
  1.1831 +-   (mpfr_nan_p (_x) ? mpfr_set_erangeflag () : (void) 0), 0 : \
  1.1832 ++#define mpfr_sgn(_x)                                               \
  1.1833 ++  ((_x)->_mpfr_exp < __MPFR_EXP_INF ?                              \
  1.1834 ++   (mpfr_nan_p (_x) ? mpfr_set_erangeflag () : (mpfr_void) 0), 0 : \
  1.1835 +    MPFR_SIGN (_x))
  1.1836 + 
  1.1837 + /* Prevent them from using as lvalues */
  1.1838 +@@ -805,7 +815,19 @@
  1.1839 +    Moreover casts to unsigned long have been added to avoid warnings in
  1.1840 +    programs that use MPFR and are compiled with -Wconversion; such casts
  1.1841 +    are OK since if X is a constant expression, then (unsigned long) X is
  1.1842 +-   also a constant expression, so that the optimizations still work. */
  1.1843 ++   also a constant expression, so that the optimizations still work. The
  1.1844 ++   warnings are probably related to the following two bugs:
  1.1845 ++     http://gcc.gnu.org/bugzilla/show_bug.cgi?id=4210
  1.1846 ++     http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38470 (possibly a variant)
  1.1847 ++   and the casts could be removed once these bugs are fixed.
  1.1848 ++   Casts shouldn't be used on the generic calls (to the ..._2exp functions),
  1.1849 ++   where implicit conversions are performed. Indeed, having at least one
  1.1850 ++   implicit conversion in the macro allows the compiler to emit diagnostics
  1.1851 ++   when normally expected, for instance in the following call:
  1.1852 ++     mpfr_set_ui (x, "foo", MPFR_RNDN);
  1.1853 ++   If this is not possible (for future macros), one of the tricks described
  1.1854 ++   on http://groups.google.com/group/comp.std.c/msg/e92abd24bf9eaf7b could
  1.1855 ++   be used. */
  1.1856 + #if defined (__GNUC__) && !defined(__ICC) && !defined(__cplusplus)
  1.1857 + #if (__GNUC__ >= 2)
  1.1858 + #undef mpfr_cmp_ui
  1.1859 +@@ -813,45 +835,45 @@
  1.1860 +    But warning! mpfr_sgn is specified as a macro in the API, thus the macro
  1.1861 +    mustn't be used if side effects are possible, like here. */
  1.1862 + #define mpfr_cmp_ui(_f,_u)                                      \
  1.1863 +-  (__builtin_constant_p (_u) && (unsigned long) (_u) == 0 ?     \
  1.1864 ++  (__builtin_constant_p (_u) && (mpfr_ulong) (_u) == 0 ?        \
  1.1865 +    (mpfr_sgn) (_f) :                                            \
  1.1866 +-   mpfr_cmp_ui_2exp ((_f), (unsigned long) (_u), 0))
  1.1867 ++   mpfr_cmp_ui_2exp ((_f), (_u), 0))
  1.1868 + #undef mpfr_cmp_si
  1.1869 +-#define mpfr_cmp_si(_f,_s)                              \
  1.1870 +-  (__builtin_constant_p (_s) && (long) (_s) >= 0 ?      \
  1.1871 +-   mpfr_cmp_ui ((_f), (unsigned long) (long) (_s)) :    \
  1.1872 +-   mpfr_cmp_si_2exp ((_f), (long) (_s), 0))
  1.1873 ++#define mpfr_cmp_si(_f,_s)                                      \
  1.1874 ++  (__builtin_constant_p (_s) && (mpfr_long) (_s) >= 0 ?         \
  1.1875 ++   mpfr_cmp_ui ((_f), (mpfr_ulong) (mpfr_long) (_s)) :          \
  1.1876 ++   mpfr_cmp_si_2exp ((_f), (_s), 0))
  1.1877 + #if __GNUC__ > 2 || __GNUC_MINOR__ >= 95
  1.1878 + #undef mpfr_set_ui
  1.1879 + #define mpfr_set_ui(_f,_u,_r)                                   \
  1.1880 +-  (__builtin_constant_p (_u) && (unsigned long) (_u) == 0 ?     \
  1.1881 ++  (__builtin_constant_p (_u) && (mpfr_ulong) (_u) == 0 ?        \
  1.1882 +    __extension__ ({                                             \
  1.1883 +        mpfr_ptr _p = (_f);                                      \
  1.1884 +        _p->_mpfr_sign = 1;                                      \
  1.1885 +        _p->_mpfr_exp = __MPFR_EXP_ZERO;                         \
  1.1886 +-       (void) (_r); 0; }) :                                     \
  1.1887 +-   mpfr_set_ui_2exp ((_f), (unsigned long) (_u), 0, (_r)))
  1.1888 ++       (mpfr_void) (_r); 0; }) :                                \
  1.1889 ++   mpfr_set_ui_2exp ((_f), (_u), 0, (_r)))
  1.1890 + #endif
  1.1891 + #undef mpfr_set_si
  1.1892 + #define mpfr_set_si(_f,_s,_r)                                   \
  1.1893 +-  (__builtin_constant_p (_s) && (long) (_s) >= 0 ?              \
  1.1894 +-   mpfr_set_ui ((_f), (unsigned long) (long) (_s), (_r)) :      \
  1.1895 +-   mpfr_set_si_2exp ((_f), (long) (_s), 0, (_r)))
  1.1896 ++  (__builtin_constant_p (_s) && (mpfr_long) (_s) >= 0 ?         \
  1.1897 ++   mpfr_set_ui ((_f), (mpfr_ulong) (mpfr_long) (_s), (_r)) :    \
  1.1898 ++   mpfr_set_si_2exp ((_f), (_s), 0, (_r)))
  1.1899 + #endif
  1.1900 + #endif
  1.1901 + 
  1.1902 + /* Macro version of mpfr_stack interface for fast access */
  1.1903 +-#define mpfr_custom_get_size(p) ((size_t)                            \
  1.1904 ++#define mpfr_custom_get_size(p) ((mpfr_size_t)                          \
  1.1905 +        (((p)+GMP_NUMB_BITS-1)/GMP_NUMB_BITS*sizeof (mp_limb_t)))
  1.1906 + #define mpfr_custom_init(m,p) do {} while (0)
  1.1907 +-#define mpfr_custom_get_significand(x) ((void*)((x)->_mpfr_d))
  1.1908 ++#define mpfr_custom_get_significand(x) ((mpfr_void*)((x)->_mpfr_d))
  1.1909 + #define mpfr_custom_get_exp(x) ((x)->_mpfr_exp)
  1.1910 + #define mpfr_custom_move(x,m) do { ((x)->_mpfr_d = (mp_limb_t*)(m)); } while (0)
  1.1911 + #define mpfr_custom_init_set(x,k,e,p,m) do {                   \
  1.1912 +   mpfr_ptr _x = (x);                                           \
  1.1913 +   mpfr_exp_t _e;                                               \
  1.1914 +   mpfr_kind_t _t;                                              \
  1.1915 +-  int _s, _k;                                                  \
  1.1916 ++  mpfr_int _s, _k;                                             \
  1.1917 +   _k = (k);                                                    \
  1.1918 +   if (_k >= 0)  {                                              \
  1.1919 +     _t = (mpfr_kind_t) _k;                                     \
  1.1920 +@@ -868,11 +890,13 @@
  1.1921 +   _x->_mpfr_exp  = _e;                                         \
  1.1922 +   _x->_mpfr_d    = (mp_limb_t*) (m);                           \
  1.1923 +  } while (0)
  1.1924 +-#define mpfr_custom_get_kind(x)                                              \
  1.1925 +-  ( (x)->_mpfr_exp >  __MPFR_EXP_INF ? (int)MPFR_REGULAR_KIND*MPFR_SIGN (x) \
  1.1926 +-  : (x)->_mpfr_exp == __MPFR_EXP_INF ? (int)MPFR_INF_KIND*MPFR_SIGN (x)     \
  1.1927 +-  : (x)->_mpfr_exp == __MPFR_EXP_NAN ? (int)MPFR_NAN_KIND                   \
  1.1928 +-  : (int) MPFR_ZERO_KIND * MPFR_SIGN (x) )
  1.1929 ++#define mpfr_custom_get_kind(x)                                         \
  1.1930 ++  ( (x)->_mpfr_exp >  __MPFR_EXP_INF ?                                  \
  1.1931 ++    (mpfr_int) MPFR_REGULAR_KIND * MPFR_SIGN (x)                        \
  1.1932 ++  : (x)->_mpfr_exp == __MPFR_EXP_INF ?                                  \
  1.1933 ++    (mpfr_int) MPFR_INF_KIND * MPFR_SIGN (x)                            \
  1.1934 ++  : (x)->_mpfr_exp == __MPFR_EXP_NAN ? (mpfr_int) MPFR_NAN_KIND         \
  1.1935 ++  : (mpfr_int) MPFR_ZERO_KIND * MPFR_SIGN (x) )
  1.1936 + 
  1.1937 + 
  1.1938 + #endif /* MPFR_USE_NO_MACRO */
  1.1939 +diff -Naurd mpfr-3.0.0-a/version.c mpfr-3.0.0-b/version.c
  1.1940 +--- mpfr-3.0.0-a/version.c	2010-10-21 21:18:26.000000000 +0000
  1.1941 ++++ mpfr-3.0.0-b/version.c	2010-11-09 15:15:07.000000000 +0000
  1.1942 +@@ -25,5 +25,5 @@
  1.1943 + const char *
  1.1944 + mpfr_get_version (void)
  1.1945 + {
  1.1946 +-  return "3.0.0-p7";
  1.1947 ++  return "3.0.0-p8";
  1.1948 + }