Version bump #407551 by Samuli Suominen.

Package-Manager: portage-2.2.0_alpha86/cvs/Linux x86_64

10 files changed, 1367 insertions, 17 deletions

diff --git a/dev-libs/mpfr/ChangeLog b/dev-libs/mpfr/ChangeLog
index fa802068bfcc..2ab708165a93 100644
--- a/dev-libs/mpfr/ChangeLog
+++ b/dev-libs/mpfr/ChangeLog
@@ -1,6 +1,14 @@
 # ChangeLog for dev-libs/mpfr
-# Copyright 1999-2011 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/dev-libs/mpfr/ChangeLog,v 1.146 2011/12/29 21:57:48 halcy0n Exp $
+# Copyright 1999-2012 Gentoo Foundation; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/dev-libs/mpfr/ChangeLog,v 1.147 2012/03/09 19:57:25 vapier Exp $
+
+*mpfr-3.1.0_p7 (09 Mar 2012)
+
+  09 Mar 2012; Mike Frysinger <vapier@gentoo.org> +files/3.1.0/patch01,
+  +files/3.1.0/patch02, +files/3.1.0/patch03, +files/3.1.0/patch04,
+  +files/3.1.0/patch05, +files/3.1.0/patch06, +files/3.1.0/patch07,
+  +mpfr-3.1.0_p7.ebuild:
+  Version bump #407551 by Samuli Suominen.
 
   29 Dec 2011; Mark Loeser <halcy0n@gentoo.org> mpfr-3.0.1_p4.ebuild:
   Stable for ppc/ppc64; bug #380673
diff --git a/dev-libs/mpfr/Manifest b/dev-libs/mpfr/Manifest
index a5b60e5a4a63..ec19f190cb80 100644
--- a/dev-libs/mpfr/Manifest
+++ b/dev-libs/mpfr/Manifest
@@ -11,6 +11,13 @@ AUX 3.0.1/patch01 3899 RMD160 0e4d56846156369de6ce3cd3984cb060cbd3720a SHA1 88bf
 AUX 3.0.1/patch02 3282 RMD160 2ad3e67f5626d1ef5735121b6d5baf0a7bb4e892 SHA1 3a4d9617e15d1fc3ecbf5f8f945dc5e6e76abdb7 SHA256 c7d92754b1de6040e69ef253a63f084f96bdbefcf7a12211397b9f6b29cf9721
 AUX 3.0.1/patch03 3347 RMD160 df4b3c54f9ef6beaa35a88198edf9c80f35e8e41 SHA1 60c98873696c897e406e1106e62cff02d320d1d0 SHA256 cdec3e6b213260c5e3d51696c44bb373b035a10b178b711f001e672e768f27f5
 AUX 3.0.1/patch04 1722 RMD160 1d084bbcc37b8c2b75d6fec93d2e57a31371c002 SHA1 88808700730026dd9c4156107745823009b15aa8 SHA256 3c8b35c4d2593d404dadee1d00b2c5d6cc581e9530c10085fd0a183b39e31200
+AUX 3.1.0/patch01 1935 RMD160 feed44566c2675fe0320e35eb52bed3525cfaf61 SHA1 c9c05e00aee2ff787ca948265aa310fc23dca72d SHA256 f2fb9ddd6a4b2ec7a580e5aa8eb275a1dfd1720f520e10d2b491246f4513c1c5
+AUX 3.1.0/patch02 4502 RMD160 9b93f7ceab73745e7094ca77e06bb881030f97a7 SHA1 70b4669d2e05b1ca72c24ada0334627616b4e82a SHA256 9205e3c412add2dda89346ad52fe8452d3e685595f1b973f6ff846505c5967e6
+AUX 3.1.0/patch03 8260 RMD160 c8f28185a576df037b573701084fda423a84060f SHA1 1da101f115cff587422b746a3fdcf6943b841d41 SHA256 f096849b0f5db432f70f0945d366644943f11eb8c95185fde48f27faac2ff40b
+AUX 3.1.0/patch04 6280 RMD160 570ca9e502495a3e6ef394a5d3c3a95d3feff44d SHA1 daed39c3253defef0f8381b1c4a865016c5ae1be SHA256 265127d7bd2ab93a1ec689c49fdb35737075e3df22e6f910153041603bd6eccc
+AUX 3.1.0/patch05 2690 RMD160 54fa6c463ff154fd2e4f1cc68c2d0d48f615734d SHA1 02be8f019d66bebf27c8610b66bc40a98780cb7d SHA256 823ae84a55249f76b53ecdc4a17c4b834ca8e33f7710729f5cbb66982ff8a03b
+AUX 3.1.0/patch06 1906 RMD160 c59cbd5ea813560933d195c7abc194cbb2d3223b SHA1 48f9b2459e3d8aaa15619597dd6c49830a68816d SHA256 78448079c133e9a7da4832c7ce1065060fbeb3f43ebabd6f6e9a9cbccb402599
+AUX 3.1.0/patch07 25023 RMD160 2267160acc8cd825c481b3d2cfcc8285ba848e56 SHA1 593c9e51265cd3117fd5c5652a43c821f5ec992f SHA256 adfda8ed246c75897523c0365dbe8f854500682eff5a88d1d4c16fbf0bbfe388
 DIST mpfr-2.4.2.tar.bz2 1077886 RMD160 a3563baef20dab98825d90971e6a69a649f53fdf SHA1 7ca93006e38ae6e53a995af836173cf10ee7c18c SHA256 c7e75a08a8d49d2082e4caee1591a05d11b9d5627514e678f02d66a124bcf2ba
 DIST mpfr-3.0.0.tar.bz2 1138685 RMD160 6862412d09e1da3e1f4b023b8cfdee4d440d903e SHA1 8ae8bc72ac26a0f17ad9f57c520264c056c64770 SHA256 8f4e5f9c53536cb798a30455ac429b1f9fc75a0f8af32d6e0ac31ebf1024821f
 DIST mpfr-3.0.1.tar.bz2 1154306 RMD160 24c84d762428959ad2db7521df8bc219c81f83b5 SHA1 fbf402fc196724ae60ef01eb6ca8490b1ea4db69 SHA256 e1977099bb494319c0f0c1f85759050c418a56884e9c6cef1c540b9b13e38e7f
@@ -22,22 +29,23 @@ EBUILD mpfr-3.0.1.ebuild 1756 RMD160 a666b47eb67175f557e2bef87cf7e55ea5efc7f6 SH
 EBUILD mpfr-3.0.1_p4-r1.ebuild 1908 RMD160 46d7980cada0eb39a9d13142859e69ccdd6392d5 SHA1 65a2c45e7641fb1689487dbe83650718dab2d721 SHA256 aa8ae35c4f1c87abb8b05ff820d90b8babe959399ddb0c5d3f8d65929ed0f129
 EBUILD mpfr-3.0.1_p4.ebuild 1748 RMD160 6aa6b981e42f8c28966c03e82444ea91b3cb9ed0 SHA1 516a6a03f64deaa46e7e863a00177f7795b541a5 SHA256 ca979d30a3e0fc13490c6ccf3aa84881a1db78aedfcf0abe738e342c821aa250
 EBUILD mpfr-3.1.0.ebuild 2018 RMD160 948a9e79434254cb3988d5b613d2dffcac46fef5 SHA1 e0288b79f227d01ba564a3bb793c0f5e21c08540 SHA256 cda4f86d00282b4e98f25ec92857998bec44983439fb8f4800c62e4c8ac52028
-MISC ChangeLog 18017 RMD160 b59b4f4ad599a2e297961c7165e98405348cdabb SHA1 311d814817baa506fcc84dfd0fb5531c89d0c4b8 SHA256 0dc9d5a00b70bed8e3946d70b0309e67a2e213daa5a54c9c37b77a3c1a6e4ca4
+EBUILD mpfr-3.1.0_p7.ebuild 2019 RMD160 fa5861eade4fe648421e3e6018a63973aba67f26 SHA1 cf853d532d2e10e5118c0b704900127f1b8db9a3 SHA256 cd6ff13fba329987b833a472b3838aefb9bc7448e9df16479cdb91820e40ebf8
+MISC ChangeLog 18323 RMD160 4a29ac8b810206e3e6971215251c2993a46bdb78 SHA1 29b240acd24eb99b4925e474ef274044512deb43 SHA256 b22068ac480a3b48b108b5c70db848c39a59f1d320c367784aed7d3c9ba8442d
 MISC metadata.xml 162 RMD160 d002486a43522f2116b1d9d59828c484956d66e2 SHA1 d6b4923897f6ae673b4f93646f5b4ba61d5a2c3c SHA256 65a915d44de1f01d4b7f72d313b4192c38374a9835d24988c00c1e73dca5805a
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diff --git a/dev-libs/mpfr/files/3.1.0/patch01 b/dev-libs/mpfr/files/3.1.0/patch01
new file mode 100644
index 000000000000..437b1a278adc
--- /dev/null
+++ b/dev-libs/mpfr/files/3.1.0/patch01
@@ -0,0 +1,50 @@
+diff -Naurd mpfr-3.1.0-a/PATCHES mpfr-3.1.0-b/PATCHES
+--- mpfr-3.1.0-a/PATCHES	2011-10-05 21:39:57.000000000 +0000
++++ mpfr-3.1.0-b/PATCHES	2011-10-05 21:39:57.000000000 +0000
+@@ -0,0 +1 @@
++mpfr_unlikely
+diff -Naurd mpfr-3.1.0-a/VERSION mpfr-3.1.0-b/VERSION
+--- mpfr-3.1.0-a/VERSION	2011-10-03 08:17:15.000000000 +0000
++++ mpfr-3.1.0-b/VERSION	2011-10-05 21:39:57.000000000 +0000
+@@ -1 +1 @@
+-3.1.0
++3.1.0-p1
+diff -Naurd mpfr-3.1.0-a/src/mpfr-impl.h mpfr-3.1.0-b/src/mpfr-impl.h
+--- mpfr-3.1.0-a/src/mpfr-impl.h	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr-impl.h	2011-10-05 21:39:57.000000000 +0000
+@@ -988,10 +988,11 @@
+  ******************************************************/
+ 
+ /* Theses macros help the compiler to determine if a test is
+- * likely or unlikely. */
++   likely or unlikely. The !! is necessary in case x is larger
++   than a long. */
+ #if __MPFR_GNUC(3,0) || __MPFR_ICC(8,1,0)
+ # define MPFR_LIKELY(x) (__builtin_expect(!!(x),1))
+-# define MPFR_UNLIKELY(x) (__builtin_expect((x),0))
++# define MPFR_UNLIKELY(x) (__builtin_expect(!!(x),0))
+ #else
+ # define MPFR_LIKELY(x) (x)
+ # define MPFR_UNLIKELY(x) (x)
+diff -Naurd mpfr-3.1.0-a/src/mpfr.h mpfr-3.1.0-b/src/mpfr.h
+--- mpfr-3.1.0-a/src/mpfr.h	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr.h	2011-10-05 21:39:57.000000000 +0000
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 3
+ #define MPFR_VERSION_MINOR 1
+ #define MPFR_VERSION_PATCHLEVEL 0
+-#define MPFR_VERSION_STRING "3.1.0"
++#define MPFR_VERSION_STRING "3.1.0-p1"
+ 
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-3.1.0-a/src/version.c mpfr-3.1.0-b/src/version.c
+--- mpfr-3.1.0-a/src/version.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/version.c	2011-10-05 21:39:57.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+-  return "3.1.0";
++  return "3.1.0-p1";
+ }
diff --git a/dev-libs/mpfr/files/3.1.0/patch02 b/dev-libs/mpfr/files/3.1.0/patch02
new file mode 100644
index 000000000000..4714ac9b0d61
--- /dev/null
+++ b/dev-libs/mpfr/files/3.1.0/patch02
@@ -0,0 +1,96 @@
+diff -Naurd mpfr-3.1.0-a/PATCHES mpfr-3.1.0-b/PATCHES
+--- mpfr-3.1.0-a/PATCHES	2011-10-14 10:43:32.000000000 +0000
++++ mpfr-3.1.0-b/PATCHES	2011-10-14 10:43:32.000000000 +0000
+@@ -0,0 +1 @@
++lib-search-path
+diff -Naurd mpfr-3.1.0-a/VERSION mpfr-3.1.0-b/VERSION
+--- mpfr-3.1.0-a/VERSION	2011-10-05 21:39:57.000000000 +0000
++++ mpfr-3.1.0-b/VERSION	2011-10-14 10:43:32.000000000 +0000
+@@ -1 +1 @@
+-3.1.0-p1
++3.1.0-p2
+diff -Naurd mpfr-3.1.0-a/src/mpfr.h mpfr-3.1.0-b/src/mpfr.h
+--- mpfr-3.1.0-a/src/mpfr.h	2011-10-05 21:39:57.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr.h	2011-10-14 10:43:32.000000000 +0000
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 3
+ #define MPFR_VERSION_MINOR 1
+ #define MPFR_VERSION_PATCHLEVEL 0
+-#define MPFR_VERSION_STRING "3.1.0-p1"
++#define MPFR_VERSION_STRING "3.1.0-p2"
+ 
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-3.1.0-a/src/version.c mpfr-3.1.0-b/src/version.c
+--- mpfr-3.1.0-a/src/version.c	2011-10-05 21:39:57.000000000 +0000
++++ mpfr-3.1.0-b/src/version.c	2011-10-14 10:43:32.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+-  return "3.1.0-p1";
++  return "3.1.0-p2";
+ }
+diff -Naurd mpfr-3.1.0-a/tests/Makefile.am mpfr-3.1.0-b/tests/Makefile.am
+--- mpfr-3.1.0-a/tests/Makefile.am	2011-10-03 08:17:14.000000000 +0000
++++ mpfr-3.1.0-b/tests/Makefile.am	2011-10-03 08:17:14.000000000 +0000
+@@ -65,8 +65,24 @@
+ TESTS = $(check_PROGRAMS)
+ TESTS_ENVIRONMENT = MPFR_QUIET=1 $(VALGRIND)
+ 
+-# Option to prevent libtool from generating wrapper scripts for the tests.
++# The -no-install option prevents libtool from generating wrapper scripts
++# for the tests.
+ # This is useful to easily run the test scripts under valgrind or gdb.
+ # See discussion http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/28033
+ # http://article.gmane.org/gmane.comp.lib.gnulib.bugs/28140 in particular.
+-AM_LDFLAGS = -no-install
++#
++# The -L$(top_builddir)/src/.libs option is necessary for some platforms,
++# such as HP-UX, when --with-gmp or --with-gmp-lib is used and an old MPFR
++# library is already installed in the corresponding lib directory: its
++# purpose is to make sure that the local .libs comes first in the library
++# search path (otherwise the tests are linked against the old MPFR library
++# by the LINK command -- see the generated Makefile). See:
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00042.html
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00043.html
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00044.html
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00066.html
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00065.html
++# and
++#   http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9728
++#
++AM_LDFLAGS = -no-install -L$(top_builddir)/src/.libs
+diff -Naurd mpfr-3.1.0-a/tests/Makefile.in mpfr-3.1.0-b/tests/Makefile.in
+--- mpfr-3.1.0-a/tests/Makefile.in	2011-10-03 08:17:35.000000000 +0000
++++ mpfr-3.1.0-b/tests/Makefile.in	2011-10-03 08:17:35.000000000 +0000
+@@ -1124,11 +1124,27 @@
+ TESTS = $(check_PROGRAMS)
+ TESTS_ENVIRONMENT = MPFR_QUIET=1 $(VALGRIND)
+ 
+-# Option to prevent libtool from generating wrapper scripts for the tests.
++# The -no-install option prevents libtool from generating wrapper scripts
++# for the tests.
+ # This is useful to easily run the test scripts under valgrind or gdb.
+ # See discussion http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/28033
+ # http://article.gmane.org/gmane.comp.lib.gnulib.bugs/28140 in particular.
+-AM_LDFLAGS = -no-install
++#
++# The -L$(top_builddir)/src/.libs option is necessary for some platforms,
++# such as HP-UX, when --with-gmp or --with-gmp-lib is used and an old MPFR
++# library is already installed in the corresponding lib directory: its
++# purpose is to make sure that the local .libs comes first in the library
++# search path (otherwise the tests are linked against the old MPFR library
++# by the LINK command -- see the generated Makefile). See:
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00042.html
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00043.html
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00044.html
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00066.html
++#   http://websympa.loria.fr/wwsympa/arc/mpfr/2011-10/msg00065.html
++# and
++#   http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9728
++#
++AM_LDFLAGS = -no-install -L$(top_builddir)/src/.libs
+ all: all-am
+ 
+ .SUFFIXES:
diff --git a/dev-libs/mpfr/files/3.1.0/patch03 b/dev-libs/mpfr/files/3.1.0/patch03
new file mode 100644
index 000000000000..aa1cfbc609dd
--- /dev/null
+++ b/dev-libs/mpfr/files/3.1.0/patch03
@@ -0,0 +1,247 @@
+diff -Naurd mpfr-3.1.0-a/PATCHES mpfr-3.1.0-b/PATCHES
+--- mpfr-3.1.0-a/PATCHES	2011-11-03 15:15:11.000000000 +0000
++++ mpfr-3.1.0-b/PATCHES	2011-11-03 15:15:11.000000000 +0000
+@@ -0,0 +1 @@
++vasprintf
+diff -Naurd mpfr-3.1.0-a/VERSION mpfr-3.1.0-b/VERSION
+--- mpfr-3.1.0-a/VERSION	2011-10-14 10:43:32.000000000 +0000
++++ mpfr-3.1.0-b/VERSION	2011-11-03 15:15:11.000000000 +0000
+@@ -1 +1 @@
+-3.1.0-p2
++3.1.0-p3
+diff -Naurd mpfr-3.1.0-a/src/mpfr.h mpfr-3.1.0-b/src/mpfr.h
+--- mpfr-3.1.0-a/src/mpfr.h	2011-10-14 10:43:32.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr.h	2011-11-03 15:15:11.000000000 +0000
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 3
+ #define MPFR_VERSION_MINOR 1
+ #define MPFR_VERSION_PATCHLEVEL 0
+-#define MPFR_VERSION_STRING "3.1.0-p2"
++#define MPFR_VERSION_STRING "3.1.0-p3"
+ 
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-3.1.0-a/src/vasprintf.c mpfr-3.1.0-b/src/vasprintf.c
+--- mpfr-3.1.0-a/src/vasprintf.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/vasprintf.c	2011-11-03 15:15:11.000000000 +0000
+@@ -1178,7 +1178,7 @@
+   mpfr_exp_t exp;
+   char * str;
+   const int spec_g = (spec.spec == 'g' || spec.spec == 'G');
+-  const int keep_trailing_zeros = spec_g && spec.alt;
++  const int keep_trailing_zeros = !spec_g || spec.alt;
+ 
+   /* WARNING: an empty precision field is forbidden (it means precision = 6
+      and it should have been changed to 6 before the function call) */
+@@ -1356,7 +1356,7 @@
+   else
+     /* 1 <= |p| */
+     {
+-      size_t nsd;  /* Number of significant digits */
++      size_t str_len;
+ 
+       /* Determine the position of the most significant decimal digit. */
+       exp = floor_log10 (p);
+@@ -1365,12 +1365,10 @@
+         /* P is too large to print all its integral part digits */
+         return -1;
+ 
+-      np->ip_size = exp + 1;
+-
+-      nsd = spec.prec + np->ip_size;
+       if (dec_info == NULL)
+-        {
+-          str = mpfr_get_str (NULL, &exp, 10, nsd, p, spec.rnd_mode);
++        { /* this case occurs with mpfr_printf ("%.0RUf", x) with x=9.5 */
++          str =
++            mpfr_get_str (NULL, &exp, 10, spec.prec+exp+1, p, spec.rnd_mode);
+           register_string (np->sl, str);
+         }
+       else
+@@ -1379,81 +1377,60 @@
+           str = dec_info->str;
+         }
+       np->ip_ptr = MPFR_IS_NEG (p) ? ++str : str; /* skip sign */
++      str_len = strlen (str);
++
++      /* integral part */
++      if (exp > str_len)
++        /* mpfr_get_str gives no trailing zero when p is rounded up to the next
++           power of 10 (p integer, so no fractional part) */
++        {
++          np->ip_trailing_zeros = exp - str_len;
++          np->ip_size = str_len;
++        }
++      else
++        np->ip_size = exp;
+ 
+       if (spec.group)
+         /* thousands separator in integral part */
+         np->thousands_sep = MPFR_THOUSANDS_SEPARATOR;
+ 
+-      if (nsd == 0 || (spec_g && !spec.alt))
+-        /* compute how much non-zero digits in integral and fractional
+-           parts */
++      /* fractional part */
++      str += np->ip_size;
++      str_len -= np->ip_size;
++      if (!keep_trailing_zeros)
++        /* remove trailing zeros, if any */
+         {
+-          size_t str_len;
+-          str_len = strlen (str); /* note: the sign has been skipped */
+-
+-          if (exp > str_len)
+-            /* mpfr_get_str doesn't give the trailing zeros when p is a
+-               multiple of 10 (p integer, so no fractional part) */
+-            {
+-              np->ip_trailing_zeros = exp - str_len;
+-              np->ip_size = str_len;
+-              if (spec.alt)
+-                np->point = MPFR_DECIMAL_POINT;
+-            }
+-          else
+-            /* str may contain some digits which are in fractional part */
++          char *ptr = str + str_len - 1; /* pointer to the last digit of
++                                            str */
++          while ((*ptr == '0') && (str_len != 0))
+             {
+-              char *ptr;
+-
+-              ptr = str + str_len - 1; /* points to the end of str */
+-              str_len -= np->ip_size;  /* number of digits in fractional
+-                                          part */
+-
+-              if (!keep_trailing_zeros)
+-                /* remove trailing zeros, if any */
+-                {
+-                  while ((*ptr == '0') && (str_len != 0))
+-                    {
+-                      --ptr;
+-                      --str_len;
+-                    }
+-                }
+-
+-              if (str_len > INT_MAX)
+-                /* too many digits in fractional part */
+-                return -1;
+-
+-              if (str_len != 0)
+-                /* some digits in fractional part */
+-                {
+-                  np->point = MPFR_DECIMAL_POINT;
+-                  np->fp_ptr = str + np->ip_size;
+-                  np->fp_size = str_len;
+-                }
++              --ptr;
++              --str_len;
+             }
+         }
+-      else
+-        /* spec.prec digits in fractional part */
++
++      if (str_len > 0)
++        /* some nonzero digits in fractional part */
+         {
+-          if (np->ip_size == exp - 1)
+-            /* the absolute value of the number has been rounded up to a power
+-               of ten.
+-               Insert an additional zero in integral part and put the rest of
+-               them in fractional part. */
+-            np->ip_trailing_zeros = 1;
++          if (str_len > INT_MAX)
++            /* too many digits in fractional part */
++            return -1;
+ 
+-          if (spec.prec != 0)
+-            {
+-              MPFR_ASSERTD (np->ip_size + np->ip_trailing_zeros == exp);
+-              MPFR_ASSERTD (np->ip_size + spec.prec == nsd);
++          np->point = MPFR_DECIMAL_POINT;
++          np->fp_ptr = str;
++          np->fp_size = str_len;
++        }
+ 
+-              np->point = MPFR_DECIMAL_POINT;
+-              np->fp_ptr = str + np->ip_size;
+-              np->fp_size = spec.prec;
+-            }
+-          else if (spec.alt)
+-            np->point = MPFR_DECIMAL_POINT;
++      if (keep_trailing_zeros && str_len < spec.prec)
++        /* add missing trailing zeros */
++        {
++          np->point = MPFR_DECIMAL_POINT;
++          np->fp_trailing_zeros = spec.prec - np->fp_size;
+         }
++
++      if (spec.alt)
++        /* add decimal point even if no digits follow it */
++        np->point = MPFR_DECIMAL_POINT;
+     }
+ 
+   return 0;
+diff -Naurd mpfr-3.1.0-a/src/version.c mpfr-3.1.0-b/src/version.c
+--- mpfr-3.1.0-a/src/version.c	2011-10-14 10:43:32.000000000 +0000
++++ mpfr-3.1.0-b/src/version.c	2011-11-03 15:15:11.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+-  return "3.1.0-p2";
++  return "3.1.0-p3";
+ }
+diff -Naurd mpfr-3.1.0-a/tests/tsprintf.c mpfr-3.1.0-b/tests/tsprintf.c
+--- mpfr-3.1.0-a/tests/tsprintf.c	2011-10-03 08:17:14.000000000 +0000
++++ mpfr-3.1.0-b/tests/tsprintf.c	2011-11-03 15:15:11.000000000 +0000
+@@ -475,6 +475,18 @@
+   check_sprintf ("-1.", "%- #0.1RG", x);
+ 
+   /* precision zero */
++  mpfr_set_d (x, 9.5, MPFR_RNDN);
++  check_sprintf ("9",    "%.0RDf", x);
++  check_sprintf ("10",    "%.0RUf", x);
++
++  mpfr_set_d (x, 19.5, MPFR_RNDN);
++  check_sprintf ("19",    "%.0RDf", x);
++  check_sprintf ("20",    "%.0RUf", x);
++
++  mpfr_set_d (x, 99.5, MPFR_RNDN);
++  check_sprintf ("99",    "%.0RDf", x);
++  check_sprintf ("100",   "%.0RUf", x);
++
+   mpfr_set_d (x, -9.5, MPFR_RNDN);
+   check_sprintf ("-10",    "%.0RDf", x);
+   check_sprintf ("-10",    "%.0RYf", x);
+@@ -1078,6 +1090,23 @@
+   mpfr_clear (x);
+ }
+ 
++static void
++bug20111102 (void)
++{
++  mpfr_t t;
++  char s[100];
++
++  mpfr_init2 (t, 84);
++  mpfr_set_str (t, "999.99999999999999999999", 10, MPFR_RNDN);
++  mpfr_sprintf (s, "%.20RNg", t);
++  if (strcmp (s, "1000") != 0)
++    {
++      printf ("Error in bug20111102, expected 1000, got %s\n", s);
++      exit (1);
++    }
++  mpfr_clear (t);
++}
++
+ /* In particular, the following test makes sure that the rounding
+  * for %Ra and %Rb is not done on the MPFR number itself (as it
+  * would overflow). Note: it has been reported on comp.std.c that
+@@ -1161,6 +1190,7 @@
+   locale = setlocale (LC_ALL, "C");
+ #endif
+ 
++  bug20111102 ();
+   native_types ();
+   hexadecimal ();
+   binary ();
diff --git a/dev-libs/mpfr/files/3.1.0/patch04 b/dev-libs/mpfr/files/3.1.0/patch04
new file mode 100644
index 000000000000..4b1ba087cf1b
--- /dev/null
+++ b/dev-libs/mpfr/files/3.1.0/patch04
@@ -0,0 +1,166 @@
+diff -Naurd mpfr-3.1.0-a/PATCHES mpfr-3.1.0-b/PATCHES
+--- mpfr-3.1.0-a/PATCHES	2011-11-28 12:22:52.000000000 +0000
++++ mpfr-3.1.0-b/PATCHES	2011-11-28 12:22:52.000000000 +0000
+@@ -0,0 +1 @@
++gmp41compat
+diff -Naurd mpfr-3.1.0-a/VERSION mpfr-3.1.0-b/VERSION
+--- mpfr-3.1.0-a/VERSION	2011-11-03 15:15:11.000000000 +0000
++++ mpfr-3.1.0-b/VERSION	2011-11-28 12:22:52.000000000 +0000
+@@ -1 +1 @@
+-3.1.0-p3
++3.1.0-p4
+diff -Naurd mpfr-3.1.0-a/doc/mpfr.info mpfr-3.1.0-b/doc/mpfr.info
+--- mpfr-3.1.0-a/doc/mpfr.info	2011-10-03 09:43:04.000000000 +0000
++++ mpfr-3.1.0-b/doc/mpfr.info	2011-11-28 12:22:52.000000000 +0000
+@@ -2994,11 +2994,12 @@
+ 
+    * `mpfr_urandom' and `mpfr_urandomb' changed in MPFR 3.1.  Their
+      behavior no longer depends on the platform (assuming this is also
+-     true for GMP's random generator).  As a consequence, the returned
+-     values can be different between MPFR 3.1 and previous MPFR
+-     versions.  Note: as the reproducibility of these functions was not
+-     specified before MPFR 3.1, the MPFR 3.1 behavior is _not_ regarded
+-     as backward incompatible with previous versions.
++     true for GMP's random generator, which is not the case between GMP
++     4.1 and 4.2 if `gmp_randinit_default' is used).  As a consequence,
++     the returned values can be different between MPFR 3.1 and previous
++     MPFR versions.  Note: as the reproducibility of these functions
++     was not specified before MPFR 3.1, the MPFR 3.1 behavior is _not_
++     regarded as backward incompatible with previous versions.
+ 
+ 
+ 
+@@ -4239,13 +4240,13 @@
+ Node: Type and Macro Changes129308
+ Node: Added Functions132029
+ Node: Changed Functions134972
+-Node: Removed Functions139167
+-Node: Other Changes139579
+-Node: Contributors141108
+-Node: References143574
+-Node: GNU Free Documentation License145315
+-Node: Concept Index167758
+-Node: Function and Type Index173677
++Node: Removed Functions139253
++Node: Other Changes139665
++Node: Contributors141194
++Node: References143660
++Node: GNU Free Documentation License145401
++Node: Concept Index167844
++Node: Function and Type Index173763
+ 
+ End Tag Table
+ 
+diff -Naurd mpfr-3.1.0-a/doc/mpfr.texi mpfr-3.1.0-b/doc/mpfr.texi
+--- mpfr-3.1.0-a/doc/mpfr.texi	2011-10-03 08:17:14.000000000 +0000
++++ mpfr-3.1.0-b/doc/mpfr.texi	2011-11-28 12:22:52.000000000 +0000
+@@ -3466,8 +3466,9 @@
+ a lack of specification.
+ 
+ @item @code{mpfr_urandom} and @code{mpfr_urandomb} changed in MPFR 3.1.
+-Their behavior no longer depends on the platform (assuming this is also
+-true for GMP's random generator).  As a consequence, the returned values
++Their behavior no longer depends on the platform (assuming this is also true
++for GMP's random generator, which is not the case between GMP 4.1 and 4.2 if
++@code{gmp_randinit_default} is used).  As a consequence, the returned values
+ can be different between MPFR 3.1 and previous MPFR versions.
+ Note: as the reproducibility of these functions was not specified
+ before MPFR 3.1, the MPFR 3.1 behavior is @emph{not} regarded as
+diff -Naurd mpfr-3.1.0-a/src/mpfr.h mpfr-3.1.0-b/src/mpfr.h
+--- mpfr-3.1.0-a/src/mpfr.h	2011-11-03 15:15:11.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr.h	2011-11-28 12:22:52.000000000 +0000
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 3
+ #define MPFR_VERSION_MINOR 1
+ #define MPFR_VERSION_PATCHLEVEL 0
+-#define MPFR_VERSION_STRING "3.1.0-p3"
++#define MPFR_VERSION_STRING "3.1.0-p4"
+ 
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-3.1.0-a/src/version.c mpfr-3.1.0-b/src/version.c
+--- mpfr-3.1.0-a/src/version.c	2011-11-03 15:15:11.000000000 +0000
++++ mpfr-3.1.0-b/src/version.c	2011-11-28 12:22:52.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+-  return "3.1.0-p3";
++  return "3.1.0-p4";
+ }
+diff -Naurd mpfr-3.1.0-a/tests/trandom.c mpfr-3.1.0-b/tests/trandom.c
+--- mpfr-3.1.0-a/tests/trandom.c	2011-10-03 08:17:14.000000000 +0000
++++ mpfr-3.1.0-b/tests/trandom.c	2011-11-28 12:22:52.000000000 +0000
+@@ -114,21 +114,29 @@
+   mpfr_t x;
+   gmp_randstate_t s;
+ 
++#if __MPFR_GMP(4,2,0)
++# define C1 "0.895943"
++# define C2 "0.848824"
++#else
++# define C1 "0.479652"
++# define C2 "0.648529"
++#endif
++
+   gmp_randinit_default (s);
+   gmp_randseed_ui (s, 42);
+   mpfr_init2 (x, 17);
+   mpfr_urandomb (x, s);
+-  if (mpfr_cmp_str1 (x, "0.895943") != 0)
++  if (mpfr_cmp_str1 (x, C1) != 0)
+     {
+-      printf ("Error in bug20100914, expected 0.895943, got ");
++      printf ("Error in bug20100914, expected " C1 ", got ");
+       mpfr_out_str (stdout, 10, 0, x, MPFR_RNDN);
+       printf ("\n");
+       exit (1);
+     }
+   mpfr_urandomb (x, s);
+-  if (mpfr_cmp_str1 (x, "0.848824") != 0)
++  if (mpfr_cmp_str1 (x, C2) != 0)
+     {
+-      printf ("Error in bug20100914, expected 0.848824, got ");
++      printf ("Error in bug20100914, expected " C2 ", got ");
+       mpfr_out_str (stdout, 10, 0, x, MPFR_RNDN);
+       printf ("\n");
+       exit (1);
+diff -Naurd mpfr-3.1.0-a/tests/turandom.c mpfr-3.1.0-b/tests/turandom.c
+--- mpfr-3.1.0-a/tests/turandom.c	2011-10-03 08:17:14.000000000 +0000
++++ mpfr-3.1.0-b/tests/turandom.c	2011-11-28 12:22:52.000000000 +0000
+@@ -160,23 +160,29 @@
+   mpfr_t x;
+   gmp_randstate_t s;
+ 
++#if __MPFR_GMP(4,2,0)
++# define C1 "0.8488312"
++# define C2 "0.8156509"
++#else
++# define C1 "0.6485367"
++# define C2 "0.9362717"
++#endif
++
+   gmp_randinit_default (s);
+   gmp_randseed_ui (s, 42);
+   mpfr_init2 (x, 17);
+   mpfr_urandom (x, s, MPFR_RNDN);
+-  /* the following values are obtained on a 32-bit computer, we should get
+-     the same values on a 64-bit computer */
+-  if (mpfr_cmp_str1 (x, "0.8488312") != 0)
++  if (mpfr_cmp_str1 (x, C1) != 0)
+     {
+-      printf ("Error in bug20100914, expected 0.8488312, got ");
++      printf ("Error in bug20100914, expected " C1 ", got ");
+       mpfr_out_str (stdout, 10, 0, x, MPFR_RNDN);
+       printf ("\n");
+       exit (1);
+     }
+   mpfr_urandom (x, s, MPFR_RNDN);
+-  if (mpfr_cmp_str1 (x, "0.8156509") != 0)
++  if (mpfr_cmp_str1 (x, C2) != 0)
+     {
+-      printf ("Error in bug20100914, expected 0.8156509, got ");
++      printf ("Error in bug20100914, expected " C2 ", got ");
+       mpfr_out_str (stdout, 10, 0, x, MPFR_RNDN);
+       printf ("\n");
+       exit (1);
diff --git a/dev-libs/mpfr/files/3.1.0/patch05 b/dev-libs/mpfr/files/3.1.0/patch05
new file mode 100644
index 000000000000..c664cee3526c
--- /dev/null
+++ b/dev-libs/mpfr/files/3.1.0/patch05
@@ -0,0 +1,69 @@
+diff -Naurd mpfr-3.1.0-a/PATCHES mpfr-3.1.0-b/PATCHES
+--- mpfr-3.1.0-a/PATCHES	2012-02-24 12:44:49.000000000 +0000
++++ mpfr-3.1.0-b/PATCHES	2012-02-24 12:44:49.000000000 +0000
+@@ -0,0 +1 @@
++logging-freeze
+diff -Naurd mpfr-3.1.0-a/VERSION mpfr-3.1.0-b/VERSION
+--- mpfr-3.1.0-a/VERSION	2011-11-28 12:22:52.000000000 +0000
++++ mpfr-3.1.0-b/VERSION	2012-02-24 12:44:49.000000000 +0000
+@@ -1 +1 @@
+-3.1.0-p4
++3.1.0-p5
+diff -Naurd mpfr-3.1.0-a/src/add_d.c mpfr-3.1.0-b/src/add_d.c
+--- mpfr-3.1.0-a/src/add_d.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/add_d.c	2012-02-24 12:44:49.000000000 +0000
+@@ -34,7 +34,7 @@
+     (("b[%Pu]=%.*Rg c=%.20g rnd=%d",
+       mpfr_get_prec(b), mpfr_log_prec, b, c, rnd_mode),
+      ("a[%Pu]=%.*Rg inexact=%d",
+-      mpfr_get_prec (a), mpfr_get_prec, a, inexact));
++      mpfr_get_prec (a), mpfr_log_prec, a, inexact));
+ 
+   MPFR_SAVE_EXPO_MARK (expo);
+ 
+diff -Naurd mpfr-3.1.0-a/src/add_ui.c mpfr-3.1.0-b/src/add_ui.c
+--- mpfr-3.1.0-a/src/add_ui.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/add_ui.c	2012-02-24 12:44:49.000000000 +0000
+@@ -29,7 +29,7 @@
+   MPFR_LOG_FUNC
+     (("x[%Pu]=%.*Rg u=%d rnd=%d",
+       mpfr_get_prec(x), mpfr_log_prec, x, u, rnd_mode),
+-     ("y[%Pu]=%.*Rg", mpfr_get_prec (y), mpfr_get_prec, y));
++     ("y[%Pu]=%.*Rg", mpfr_get_prec (y), mpfr_log_prec, y));
+ 
+   if (MPFR_LIKELY(u != 0) )  /* if u=0, do nothing */
+     {
+diff -Naurd mpfr-3.1.0-a/src/mpfr.h mpfr-3.1.0-b/src/mpfr.h
+--- mpfr-3.1.0-a/src/mpfr.h	2011-11-28 12:22:52.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr.h	2012-02-24 12:44:49.000000000 +0000
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 3
+ #define MPFR_VERSION_MINOR 1
+ #define MPFR_VERSION_PATCHLEVEL 0
+-#define MPFR_VERSION_STRING "3.1.0-p4"
++#define MPFR_VERSION_STRING "3.1.0-p5"
+ 
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-3.1.0-a/src/mul_d.c mpfr-3.1.0-b/src/mul_d.c
+--- mpfr-3.1.0-a/src/mul_d.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/mul_d.c	2012-02-24 12:44:49.000000000 +0000
+@@ -34,7 +34,7 @@
+     (("b[%Pu]=%.*Rg c=%.20g rnd=%d",
+       mpfr_get_prec(b), mpfr_log_prec, b, c, rnd_mode),
+      ("a[%Pu]=%.*Rg inexact=%d",
+-      mpfr_get_prec (a), mpfr_get_prec, a, inexact));
++      mpfr_get_prec (a), mpfr_log_prec, a, inexact));
+ 
+   MPFR_SAVE_EXPO_MARK (expo);
+ 
+diff -Naurd mpfr-3.1.0-a/src/version.c mpfr-3.1.0-b/src/version.c
+--- mpfr-3.1.0-a/src/version.c	2011-11-28 12:22:52.000000000 +0000
++++ mpfr-3.1.0-b/src/version.c	2012-02-24 12:44:49.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+-  return "3.1.0-p4";
++  return "3.1.0-p5";
+ }
diff --git a/dev-libs/mpfr/files/3.1.0/patch06 b/dev-libs/mpfr/files/3.1.0/patch06
new file mode 100644
index 000000000000..0f4bfad6718a
--- /dev/null
+++ b/dev-libs/mpfr/files/3.1.0/patch06
@@ -0,0 +1,45 @@
+diff -Naurd mpfr-3.1.0-a/PATCHES mpfr-3.1.0-b/PATCHES
+--- mpfr-3.1.0-a/PATCHES	2012-02-24 13:50:05.000000000 +0000
++++ mpfr-3.1.0-b/PATCHES	2012-02-24 13:50:05.000000000 +0000
+@@ -0,0 +1 @@
++logging-varfmt
+diff -Naurd mpfr-3.1.0-a/VERSION mpfr-3.1.0-b/VERSION
+--- mpfr-3.1.0-a/VERSION	2012-02-24 12:44:49.000000000 +0000
++++ mpfr-3.1.0-b/VERSION	2012-02-24 13:50:05.000000000 +0000
+@@ -1 +1 @@
+-3.1.0-p5
++3.1.0-p6
+diff -Naurd mpfr-3.1.0-a/src/mpfr-impl.h mpfr-3.1.0-b/src/mpfr-impl.h
+--- mpfr-3.1.0-a/src/mpfr-impl.h	2011-10-05 21:39:57.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr-impl.h	2012-02-24 13:50:05.000000000 +0000
+@@ -1592,7 +1592,7 @@
+   do                                                                    \
+     if ((MPFR_LOG_INTERNAL_F & mpfr_log_type) &&                        \
+         (mpfr_log_current <= mpfr_log_level))                           \
+-      LOG_PRINT ("%s.%d:%s[%#Pu]=%.*Rf\n", __func__, __LINE__,          \
++      LOG_PRINT ("%s.%d:%s[%#Pu]=%.*Rg\n", __func__, __LINE__,          \
+                  #x, mpfr_get_prec (x), mpfr_log_prec, x);              \
+   while (0)
+ 
+diff -Naurd mpfr-3.1.0-a/src/mpfr.h mpfr-3.1.0-b/src/mpfr.h
+--- mpfr-3.1.0-a/src/mpfr.h	2012-02-24 12:44:49.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr.h	2012-02-24 13:50:05.000000000 +0000
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 3
+ #define MPFR_VERSION_MINOR 1
+ #define MPFR_VERSION_PATCHLEVEL 0
+-#define MPFR_VERSION_STRING "3.1.0-p5"
++#define MPFR_VERSION_STRING "3.1.0-p6"
+ 
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-3.1.0-a/src/version.c mpfr-3.1.0-b/src/version.c
+--- mpfr-3.1.0-a/src/version.c	2012-02-24 12:44:49.000000000 +0000
++++ mpfr-3.1.0-b/src/version.c	2012-02-24 13:50:05.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+-  return "3.1.0-p5";
++  return "3.1.0-p6";
+ }
diff --git a/dev-libs/mpfr/files/3.1.0/patch07 b/dev-libs/mpfr/files/3.1.0/patch07
new file mode 100644
index 000000000000..08e7b57d53c4
--- /dev/null
+++ b/dev-libs/mpfr/files/3.1.0/patch07
@@ -0,0 +1,591 @@
+diff -Naurd mpfr-3.1.0-a/PATCHES mpfr-3.1.0-b/PATCHES
+--- mpfr-3.1.0-a/PATCHES	2012-03-08 15:17:03.000000000 +0000
++++ mpfr-3.1.0-b/PATCHES	2012-03-08 15:17:03.000000000 +0000
+@@ -0,0 +1 @@
++large-prec
+diff -Naurd mpfr-3.1.0-a/VERSION mpfr-3.1.0-b/VERSION
+--- mpfr-3.1.0-a/VERSION	2012-02-24 13:50:05.000000000 +0000
++++ mpfr-3.1.0-b/VERSION	2012-03-08 15:17:03.000000000 +0000
+@@ -1 +1 @@
+-3.1.0-p6
++3.1.0-p7
+diff -Naurd mpfr-3.1.0-a/src/add1.c mpfr-3.1.0-b/src/add1.c
+--- mpfr-3.1.0-a/src/add1.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/add1.c	2012-03-08 15:17:03.000000000 +0000
+@@ -44,12 +44,12 @@
+   bq = MPFR_PREC(b);
+   cq = MPFR_PREC(c);
+ 
+-  an = (aq-1)/GMP_NUMB_BITS+1; /* number of limbs of a */
++  an = MPFR_PREC2LIMBS (aq); /* number of limbs of a */
+   aq2 = (mpfr_prec_t) an * GMP_NUMB_BITS;
+   sh = aq2 - aq;                  /* non-significant bits in low limb */
+ 
+-  bn = (bq-1)/GMP_NUMB_BITS+1; /* number of limbs of b */
+-  cn = (cq-1)/GMP_NUMB_BITS+1; /* number of limbs of c */
++  bn = MPFR_PREC2LIMBS (bq); /* number of limbs of b */
++  cn = MPFR_PREC2LIMBS (cq); /* number of limbs of c */
+ 
+   ap = MPFR_MANT(a);
+   bp = MPFR_MANT(b);
+@@ -124,7 +124,7 @@
+       dif = aq2 - diff_exp;
+       /* dif is the number of bits of c which overlap with a' */
+ 
+-      difn = (dif-1)/GMP_NUMB_BITS + 1;
++      difn = MPFR_PREC2LIMBS (dif);
+       /* only the highest difn limbs from c have to be considered */
+       if (MPFR_UNLIKELY(difn > cn))
+         {
+diff -Naurd mpfr-3.1.0-a/src/add1sp.c mpfr-3.1.0-b/src/add1sp.c
+--- mpfr-3.1.0-a/src/add1sp.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/add1sp.c	2012-03-08 15:17:03.000000000 +0000
+@@ -107,7 +107,7 @@
+ 
+   /* Read prec and num of limbs */
+   p = MPFR_PREC(b);
+-  n = (p+GMP_NUMB_BITS-1)/GMP_NUMB_BITS;
++  n = MPFR_PREC2LIMBS (p);
+   MPFR_UNSIGNED_MINUS_MODULO(sh, p);
+   bx = MPFR_GET_EXP(b);
+   d = (mpfr_uexp_t) (bx - MPFR_GET_EXP(c));
+diff -Naurd mpfr-3.1.0-a/src/agm.c mpfr-3.1.0-b/src/agm.c
+--- mpfr-3.1.0-a/src/agm.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/agm.c	2012-03-08 15:17:03.000000000 +0000
+@@ -91,7 +91,7 @@
+   q = MPFR_PREC(r);
+   p = q + MPFR_INT_CEIL_LOG2(q) + 15;
+   MPFR_ASSERTD (p >= 7); /* see algorithms.tex */
+-  s = (p - 1) / GMP_NUMB_BITS + 1;
++  s = MPFR_PREC2LIMBS (p);
+ 
+   /* b (op2) and a (op1) are the 2 operands but we want b >= a */
+   compare = mpfr_cmp (op1, op2);
+@@ -285,7 +285,7 @@
+ 
+       /* Next iteration */
+       MPFR_ZIV_NEXT (loop, p);
+-      s = (p - 1) / GMP_NUMB_BITS + 1;
++      s = MPFR_PREC2LIMBS (p);
+     }
+   MPFR_ZIV_FREE (loop);
+ 
+diff -Naurd mpfr-3.1.0-a/src/eq.c mpfr-3.1.0-b/src/eq.c
+--- mpfr-3.1.0-a/src/eq.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/eq.c	2012-03-08 15:17:03.000000000 +0000
+@@ -56,8 +56,8 @@
+   if (uexp != vexp)
+     return 0; /* no bit agree */
+ 
+-  usize = (MPFR_PREC(u) - 1) / GMP_NUMB_BITS + 1;
+-  vsize = (MPFR_PREC(v) - 1) / GMP_NUMB_BITS + 1;
++  usize = MPFR_LIMB_SIZE (u);
++  vsize = MPFR_LIMB_SIZE (v);
+ 
+   if (vsize > usize) /* exchange u and v */
+     {
+diff -Naurd mpfr-3.1.0-a/src/exp.c mpfr-3.1.0-b/src/exp.c
+--- mpfr-3.1.0-a/src/exp.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/exp.c	2012-03-08 15:17:03.000000000 +0000
+@@ -133,7 +133,7 @@
+               mp_size_t yn;
+               int sh;
+ 
+-              yn = 1 + (MPFR_PREC(y) - 1) / GMP_NUMB_BITS;
++              yn = MPFR_LIMB_SIZE (y);
+               sh = (mpfr_prec_t) yn * GMP_NUMB_BITS - MPFR_PREC(y);
+               MPFR_MANT(y)[0] += MPFR_LIMB_ONE << sh;
+               inexact = 1;
+diff -Naurd mpfr-3.1.0-a/src/get_d.c mpfr-3.1.0-b/src/get_d.c
+--- mpfr-3.1.0-a/src/get_d.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/get_d.c	2012-03-08 15:17:03.000000000 +0000
+@@ -100,7 +100,7 @@
+           nbits += (1021 + e);
+           MPFR_ASSERTD (nbits >= 1);
+         }
+-      np = (nbits + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS;
++      np = MPFR_PREC2LIMBS (nbits);
+       MPFR_ASSERTD ( np <= MPFR_LIMBS_PER_DOUBLE );
+       carry = mpfr_round_raw_4 (tp, MPFR_MANT(src), MPFR_PREC(src), negative,
+                                 nbits, rnd_mode);
+diff -Naurd mpfr-3.1.0-a/src/get_flt.c mpfr-3.1.0-b/src/get_flt.c
+--- mpfr-3.1.0-a/src/get_flt.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/get_flt.c	2012-03-08 15:17:03.000000000 +0000
+@@ -92,7 +92,7 @@
+           nbits += (125 + e);
+           MPFR_ASSERTD (nbits >= 1);
+         }
+-      np = (nbits + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS;
++      np = MPFR_PREC2LIMBS (nbits);
+       MPFR_ASSERTD(np <= MPFR_LIMBS_PER_FLT);
+       carry = mpfr_round_raw_4 (tp, MPFR_MANT(src), MPFR_PREC(src), negative,
+                                 nbits, rnd_mode);
+diff -Naurd mpfr-3.1.0-a/src/get_str.c mpfr-3.1.0-b/src/get_str.c
+--- mpfr-3.1.0-a/src/get_str.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/get_str.c	2012-03-08 15:17:03.000000000 +0000
+@@ -2351,7 +2351,7 @@
+ 
+       /* the first digit will contain only r bits */
+       prec = (m - 1) * pow2 + r; /* total number of bits */
+-      n = (prec - 1) / GMP_NUMB_BITS + 1;
++      n = MPFR_PREC2LIMBS (prec);
+ 
+       MPFR_TMP_MARK (marker);
+       x1 = MPFR_TMP_LIMBS_ALLOC (n + 1);
+@@ -2417,12 +2417,12 @@
+       exact = 1;
+ 
+       /* number of limbs */
+-      n = 1 + (prec - 1) / GMP_NUMB_BITS;
++      n = MPFR_PREC2LIMBS (prec);
+ 
+       /* a will contain the approximation of the mantissa */
+       a = MPFR_TMP_LIMBS_ALLOC (n);
+ 
+-      nx = 1 + (MPFR_PREC(x) - 1) / GMP_NUMB_BITS;
++      nx = MPFR_LIMB_SIZE (x);
+ 
+       if ((mpfr_exp_t) m == g) /* final exponent is 0, no multiplication or
+                                 division to perform */
+diff -Naurd mpfr-3.1.0-a/src/init2.c mpfr-3.1.0-b/src/init2.c
+--- mpfr-3.1.0-a/src/init2.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/init2.c	2012-03-08 15:17:03.000000000 +0000
+@@ -51,7 +51,7 @@
+      which both have an odd mantissa */
+   MPFR_ASSERTN(p >= MPFR_PREC_MIN && p <= MPFR_PREC_MAX);
+ 
+-  xsize = (mp_size_t) ((p - 1) / GMP_NUMB_BITS) + 1;
++  xsize = MPFR_PREC2LIMBS (p);
+   tmp   = (mpfr_limb_ptr) (*__gmp_allocate_func)(MPFR_MALLOC_SIZE(xsize));
+ 
+   MPFR_PREC(x) = p;                /* Set prec */
+diff -Naurd mpfr-3.1.0-a/src/lngamma.c mpfr-3.1.0-b/src/lngamma.c
+--- mpfr-3.1.0-a/src/lngamma.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/lngamma.c	2012-03-08 15:17:03.000000000 +0000
+@@ -67,7 +67,7 @@
+ 
+   /* Now, the unit bit is represented. */
+ 
+-  prec = ((prec - 1) / GMP_NUMB_BITS + 1) * GMP_NUMB_BITS - expo;
++  prec = MPFR_PREC2LIMBS (prec) * GMP_NUMB_BITS - expo;
+   /* number of represented fractional bits (including the trailing 0's) */
+ 
+   x0 = *(MPFR_MANT (x) + prec / GMP_NUMB_BITS);
+diff -Naurd mpfr-3.1.0-a/src/mpfr-impl.h mpfr-3.1.0-b/src/mpfr-impl.h
+--- mpfr-3.1.0-a/src/mpfr-impl.h	2012-02-24 13:50:05.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr-impl.h	2012-03-09 12:06:26.000000000 +0000
+@@ -646,10 +646,24 @@
+  **************** mpfr_t properties *******************
+  ******************************************************/
+ 
++/* In the following macro, p is usually a mpfr_prec_t, but this macro
++   works with other integer types (without integer overflow). Checking
++   that p >= 1 in debug mode is useful here because this macro can be
++   used on a computed precision (in particular, this formula does not
++   work for a degenerate case p = 0, and could give different results
++   on different platforms). But let us not use an assertion checking
++   in the MPFR_LAST_LIMB() and MPFR_LIMB_SIZE() macros below to avoid
++   too much expansion for assertions (in practice, this should be a
++   problem just when testing MPFR with the --enable-assert configure
++   option and the -ansi -pedantic-errors gcc compiler flags). */
++#define MPFR_PREC2LIMBS(p) \
++  (MPFR_ASSERTD ((p) >= 1), ((p) - 1) / GMP_NUMB_BITS + 1)
++
+ #define MPFR_PREC(x)      ((x)->_mpfr_prec)
+ #define MPFR_EXP(x)       ((x)->_mpfr_exp)
+ #define MPFR_MANT(x)      ((x)->_mpfr_d)
+-#define MPFR_LIMB_SIZE(x) ((MPFR_PREC((x))-1)/GMP_NUMB_BITS+1)
++#define MPFR_LAST_LIMB(x) ((MPFR_PREC (x) - 1) / GMP_NUMB_BITS)
++#define MPFR_LIMB_SIZE(x) (MPFR_LAST_LIMB (x) + 1)
+ 
+ 
+ /******************************************************
+@@ -749,7 +763,8 @@
+ #define MPFR_IS_FP(x)       (!MPFR_IS_NAN(x) && !MPFR_IS_INF(x))
+ #define MPFR_IS_SINGULAR(x) (MPFR_EXP(x) <= MPFR_EXP_INF)
+ #define MPFR_IS_PURE_FP(x)  (!MPFR_IS_SINGULAR(x) && \
+-  (MPFR_ASSERTD (MPFR_MANT(x)[MPFR_LIMB_SIZE(x)-1] & MPFR_LIMB_HIGHBIT), 1))
++  (MPFR_ASSERTD ((MPFR_MANT(x)[MPFR_LAST_LIMB(x)]  \
++                  & MPFR_LIMB_HIGHBIT) != 0), 1))
+ 
+ #define MPFR_ARE_SINGULAR(x,y) \
+   (MPFR_UNLIKELY(MPFR_IS_SINGULAR(x)) || MPFR_UNLIKELY(MPFR_IS_SINGULAR(y)))
+@@ -1061,7 +1076,7 @@
+ /* Set a number to 1 (Fast) - It doesn't check if 1 is in the exponent range */
+ #define MPFR_SET_ONE(x)                                               \
+ do {                                                                  \
+-  mp_size_t _size = MPFR_LIMB_SIZE(x) - 1;                            \
++  mp_size_t _size = MPFR_LAST_LIMB(x);                                \
+   MPFR_SET_POS(x);                                                    \
+   MPFR_EXP(x) = 1;                                                    \
+   MPN_ZERO ( MPFR_MANT(x), _size);                                    \
+@@ -1213,8 +1228,8 @@
+     _destp = MPFR_MANT (dest);                                              \
+     if (MPFR_UNLIKELY (_destprec >= _srcprec))                              \
+       {                                                                     \
+-        _srcs  = (_srcprec  + GMP_NUMB_BITS-1)/GMP_NUMB_BITS;               \
+-        _dests = (_destprec + GMP_NUMB_BITS-1)/GMP_NUMB_BITS - _srcs;       \
++        _srcs  = MPFR_PREC2LIMBS (_srcprec);                                \
++        _dests = MPFR_PREC2LIMBS (_destprec) - _srcs;                       \
+         MPN_COPY (_destp + _dests, srcp, _srcs);                            \
+         MPN_ZERO (_destp, _dests);                                          \
+         inexact = 0;                                                        \
+@@ -1227,8 +1242,8 @@
+         mp_limb_t _rb, _sb, _ulp;                                           \
+                                                                             \
+         /* Compute Position and shift */                                    \
+-        _srcs  = (_srcprec  + GMP_NUMB_BITS-1)/GMP_NUMB_BITS;               \
+-        _dests = (_destprec + GMP_NUMB_BITS-1)/GMP_NUMB_BITS;               \
++        _srcs  = MPFR_PREC2LIMBS (_srcprec);                                \
++        _dests = MPFR_PREC2LIMBS (_destprec);                               \
+         MPFR_UNSIGNED_MINUS_MODULO (_sh, _destprec);                        \
+         _sp = (srcp) + _srcs - _dests;                                      \
+                                                                             \
+@@ -1372,7 +1387,7 @@
+       if (MPFR_LIKELY (MPFR_PREC (dest) == MPFR_PREC (src)))            \
+         {                                                               \
+           MPN_COPY (MPFR_MANT (dest), MPFR_MANT (src),                  \
+-                    (MPFR_PREC (src) + GMP_NUMB_BITS-1)/GMP_NUMB_BITS); \
++                    MPFR_LIMB_SIZE (src));                              \
+           inexact = 0;                                                  \
+         }                                                               \
+       else                                                              \
+@@ -1682,7 +1697,7 @@
+  MPFR_ASSERTD (_prec >= MPFR_PREC_MIN);                                 \
+  if (MPFR_UNLIKELY (_prec > MPFR_PREC_MAX))                             \
+    mpfr_abort_prec_max ();                                              \
+- _size = (mpfr_prec_t) (_prec + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS;     \
++ _size = MPFR_PREC2LIMBS (_prec);                                       \
+  if (MPFR_UNLIKELY (_size * (num) > MPFR_GROUP_STATIC_SIZE))            \
+    {                                                                    \
+      (g).alloc = (num) * _size * sizeof (mp_limb_t);                    \
+@@ -1733,7 +1748,7 @@
+  MPFR_ASSERTD (_prec >= MPFR_PREC_MIN);                                 \
+  if (MPFR_UNLIKELY (_prec > MPFR_PREC_MAX))                             \
+    mpfr_abort_prec_max ();                                              \
+- _size = (mpfr_prec_t) (_prec + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS;     \
++ _size = MPFR_PREC2LIMBS (_prec);                                       \
+  (g).alloc = (num) * _size * sizeof (mp_limb_t);                        \
+  if (MPFR_LIKELY (_oalloc == 0))                                        \
+    (g).mant = (mp_limb_t *) (*__gmp_allocate_func) ((g).alloc);         \
+@@ -1886,7 +1901,7 @@
+        MPFR_NORETURN_ATTR;
+ 
+ __MPFR_DECLSPEC void mpfr_rand_raw _MPFR_PROTO((mpfr_limb_ptr, gmp_randstate_t,
+-                                                unsigned long));
++                                                mpfr_prec_t));
+ 
+ __MPFR_DECLSPEC mpz_t* mpfr_bernoulli_internal _MPFR_PROTO((mpz_t*,
+                                                             unsigned long));
+diff -Naurd mpfr-3.1.0-a/src/mpfr.h mpfr-3.1.0-b/src/mpfr.h
+--- mpfr-3.1.0-a/src/mpfr.h	2012-02-24 13:50:05.000000000 +0000
++++ mpfr-3.1.0-b/src/mpfr.h	2012-03-08 15:17:03.000000000 +0000
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 3
+ #define MPFR_VERSION_MINOR 1
+ #define MPFR_VERSION_PATCHLEVEL 0
+-#define MPFR_VERSION_STRING "3.1.0-p6"
++#define MPFR_VERSION_STRING "3.1.0-p7"
+ 
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-3.1.0-a/src/mul.c mpfr-3.1.0-b/src/mul.c
+--- mpfr-3.1.0-a/src/mul.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/mul.c	2012-03-08 15:17:03.000000000 +0000
+@@ -93,15 +93,15 @@
+ 
+   ax = MPFR_GET_EXP (b) + MPFR_GET_EXP (c);
+ 
+-  bq = MPFR_PREC(b);
+-  cq = MPFR_PREC(c);
++  bq = MPFR_PREC (b);
++  cq = MPFR_PREC (c);
+ 
+-  MPFR_ASSERTD(bq+cq > bq); /* PREC_MAX is /2 so no integer overflow */
++  MPFR_ASSERTN ((mpfr_uprec_t) bq + cq <= MPFR_PREC_MAX);
+ 
+-  bn = (bq+GMP_NUMB_BITS-1)/GMP_NUMB_BITS; /* number of limbs of b */
+-  cn = (cq+GMP_NUMB_BITS-1)/GMP_NUMB_BITS; /* number of limbs of c */
++  bn = MPFR_PREC2LIMBS (bq); /* number of limbs of b */
++  cn = MPFR_PREC2LIMBS (cq); /* number of limbs of c */
+   k = bn + cn; /* effective nb of limbs used by b*c (= tn or tn+1) below */
+-  tn = (bq + cq + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS;
++  tn = MPFR_PREC2LIMBS (bq + cq);
+   /* <= k, thus no int overflow */
+   MPFR_ASSERTD(tn <= k);
+ 
+@@ -292,12 +292,12 @@
+   bq = MPFR_PREC (b);
+   cq = MPFR_PREC (c);
+ 
+-  MPFR_ASSERTD (bq+cq > bq); /* PREC_MAX is /2 so no integer overflow */
++  MPFR_ASSERTN ((mpfr_uprec_t) bq + cq <= MPFR_PREC_MAX);
+ 
+-  bn = (bq+GMP_NUMB_BITS-1)/GMP_NUMB_BITS; /* number of limbs of b */
+-  cn = (cq+GMP_NUMB_BITS-1)/GMP_NUMB_BITS; /* number of limbs of c */
++  bn = MPFR_PREC2LIMBS (bq); /* number of limbs of b */
++  cn = MPFR_PREC2LIMBS (cq); /* number of limbs of c */
+   k = bn + cn; /* effective nb of limbs used by b*c (= tn or tn+1) below */
+-  tn = (bq + cq + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS;
++  tn = MPFR_PREC2LIMBS (bq + cq);
+   MPFR_ASSERTD (tn <= k); /* tn <= k, thus no int overflow */
+ 
+   /* Check for no size_t overflow*/
+diff -Naurd mpfr-3.1.0-a/src/pow.c mpfr-3.1.0-b/src/pow.c
+--- mpfr-3.1.0-a/src/pow.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/pow.c	2012-03-08 15:17:03.000000000 +0000
+@@ -136,7 +136,7 @@
+      (b) all the 'z' bits are zero
+   */
+ 
+-  prec = ((prec - 1) / GMP_NUMB_BITS + 1) * GMP_NUMB_BITS - expo;
++  prec = MPFR_PREC2LIMBS (prec) * GMP_NUMB_BITS - expo;
+   /* number of z+0 bits */
+ 
+   yn = prec / GMP_NUMB_BITS;
+diff -Naurd mpfr-3.1.0-a/src/print_raw.c mpfr-3.1.0-b/src/print_raw.c
+--- mpfr-3.1.0-a/src/print_raw.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/print_raw.c	2012-03-08 15:17:03.000000000 +0000
+@@ -84,7 +84,7 @@
+   int i;
+   mpfr_prec_t count = 0;
+   char c;
+-  mp_size_t n = (r - 1) / GMP_NUMB_BITS + 1;
++  mp_size_t n = MPFR_PREC2LIMBS (r);
+ 
+   printf("%s ", str);
+   for(n-- ; n>=0 ; n--)
+@@ -109,7 +109,7 @@
+   int i;
+   mpfr_prec_t count = 0;
+   char c;
+-  mp_size_t n = (r - 1) / GMP_NUMB_BITS + 1;
++  mp_size_t n = MPFR_PREC2LIMBS (r);
+ 
+   for(n-- ; n>=0 ; n--)
+     {
+diff -Naurd mpfr-3.1.0-a/src/round_prec.c mpfr-3.1.0-b/src/round_prec.c
+--- mpfr-3.1.0-a/src/round_prec.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/round_prec.c	2012-03-08 15:17:03.000000000 +0000
+@@ -55,12 +55,12 @@
+ 
+   MPFR_ASSERTN(prec >= MPFR_PREC_MIN && prec <= MPFR_PREC_MAX);
+ 
+-  nw = 1 + (prec - 1) / GMP_NUMB_BITS; /* needed allocated limbs */
++  nw = MPFR_PREC2LIMBS (prec); /* needed allocated limbs */
+ 
+   /* check if x has enough allocated space for the significand */
+   /* Get the number of limbs from the precision.
+      (Compatible with all allocation methods) */
+-  ow = (MPFR_PREC (x) + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS;
++  ow = MPFR_LIMB_SIZE (x);
+   if (nw > ow)
+     {
+       /* FIXME: Variable can't be created using custom allocation,
+diff -Naurd mpfr-3.1.0-a/src/round_raw_generic.c mpfr-3.1.0-b/src/round_raw_generic.c
+--- mpfr-3.1.0-a/src/round_raw_generic.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/round_raw_generic.c	2012-03-08 15:17:03.000000000 +0000
+@@ -80,7 +80,7 @@
+       (xprec <= yprec || MPFR_IS_LIKE_RNDZ (rnd_mode, neg)))
+     return 0;
+ 
+-  xsize = (xprec-1)/GMP_NUMB_BITS + 1;
++  xsize = MPFR_PREC2LIMBS (xprec);
+   nw = yprec / GMP_NUMB_BITS;
+   rw = yprec & (GMP_NUMB_BITS - 1);
+ 
+diff -Naurd mpfr-3.1.0-a/src/set.c mpfr-3.1.0-b/src/set.c
+--- mpfr-3.1.0-a/src/set.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/set.c	2012-03-08 15:17:03.000000000 +0000
+@@ -48,8 +48,7 @@
+       /* Same precision and b is not singular:
+        * just copy the mantissa, and set the exponent and the sign
+        * The result is exact. */
+-      MPN_COPY (MPFR_MANT (a), MPFR_MANT (b),
+-                (MPFR_PREC (b) + GMP_NUMB_BITS-1)/GMP_NUMB_BITS);
++      MPN_COPY (MPFR_MANT (a), MPFR_MANT (b), MPFR_LIMB_SIZE (b));
+       MPFR_RET (0);
+     }
+   else
+diff -Naurd mpfr-3.1.0-a/src/set_f.c mpfr-3.1.0-b/src/set_f.c
+--- mpfr-3.1.0-a/src/set_f.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/set_f.c	2012-03-08 15:17:03.000000000 +0000
+@@ -43,7 +43,7 @@
+   if (SIZ(x) * MPFR_FROM_SIGN_TO_INT(MPFR_SIGN(y)) < 0)
+     MPFR_CHANGE_SIGN (y);
+ 
+-  sy = 1 + (MPFR_PREC(y) - 1) / GMP_NUMB_BITS;
++  sy = MPFR_LIMB_SIZE (y);
+   my = MPFR_MANT(y);
+   mx = PTR(x);
+ 
+diff -Naurd mpfr-3.1.0-a/src/set_prec.c mpfr-3.1.0-b/src/set_prec.c
+--- mpfr-3.1.0-a/src/set_prec.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/set_prec.c	2012-03-08 15:17:03.000000000 +0000
+@@ -32,7 +32,7 @@
+   MPFR_ASSERTN (p >= MPFR_PREC_MIN && p <= MPFR_PREC_MAX);
+ 
+   /* Calculate the new number of limbs */
+-  xsize = (p - 1) / GMP_NUMB_BITS + 1;
++  xsize = MPFR_PREC2LIMBS (p);
+ 
+   /* Realloc only if the new size is greater than the old */
+   xoldsize = MPFR_GET_ALLOC_SIZE (x);
+diff -Naurd mpfr-3.1.0-a/src/setmax.c mpfr-3.1.0-b/src/setmax.c
+--- mpfr-3.1.0-a/src/setmax.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/setmax.c	2012-03-08 15:17:03.000000000 +0000
+@@ -32,7 +32,7 @@
+   mp_limb_t *xp;
+ 
+   MPFR_SET_EXP (x, e);
+-  xn = 1 + (MPFR_PREC(x) - 1) / GMP_NUMB_BITS;
++  xn = MPFR_LIMB_SIZE (x);
+   sh = (mpfr_prec_t) xn * GMP_NUMB_BITS - MPFR_PREC(x);
+   xp = MPFR_MANT(x);
+   xp[0] = MP_LIMB_T_MAX << sh;
+diff -Naurd mpfr-3.1.0-a/src/sqr.c mpfr-3.1.0-b/src/sqr.c
+--- mpfr-3.1.0-a/src/sqr.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/sqr.c	2012-03-08 15:17:03.000000000 +0000
+@@ -56,11 +56,11 @@
+   ax = 2 * MPFR_GET_EXP (b);
+   bq = MPFR_PREC(b);
+ 
+-  MPFR_ASSERTD (2 * bq > bq); /* PREC_MAX is /2 so no integer overflow */
++  MPFR_ASSERTN (2 * (mpfr_uprec_t) bq <= MPFR_PREC_MAX);
+ 
+-  bn = MPFR_LIMB_SIZE(b); /* number of limbs of b */
+-  tn = 1 + (2 * bq - 1) / GMP_NUMB_BITS; /* number of limbs of square,
+-                                               2*bn or 2*bn-1 */
++  bn = MPFR_LIMB_SIZE (b); /* number of limbs of b */
++  tn = MPFR_PREC2LIMBS (2 * bq); /* number of limbs of square,
++                                    2*bn or 2*bn-1 */
+ 
+   if (MPFR_UNLIKELY(bn > MPFR_SQR_THRESHOLD))
+     return mpfr_mul (a, b, b, rnd_mode);
+diff -Naurd mpfr-3.1.0-a/src/stack_interface.c mpfr-3.1.0-b/src/stack_interface.c
+--- mpfr-3.1.0-a/src/stack_interface.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/stack_interface.c	2012-03-08 15:17:03.000000000 +0000
+@@ -26,7 +26,7 @@
+ size_t
+ mpfr_custom_get_size (mpfr_prec_t prec)
+ {
+-  return (prec + GMP_NUMB_BITS -1) / GMP_NUMB_BITS * BYTES_PER_MP_LIMB;
++  return MPFR_PREC2LIMBS (prec) * BYTES_PER_MP_LIMB;
+ }
+ 
+ #undef mpfr_custom_init
+diff -Naurd mpfr-3.1.0-a/src/strtofr.c mpfr-3.1.0-b/src/strtofr.c
+--- mpfr-3.1.0-a/src/strtofr.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/strtofr.c	2012-03-08 15:17:03.000000000 +0000
+@@ -467,7 +467,7 @@
+       /* Set y to the value of the ~prec most significant bits of pstr->mant
+          (as long as we guarantee correct rounding, we don't need to get
+          exactly prec bits). */
+-      ysize = (prec - 1) / GMP_NUMB_BITS + 1;
++      ysize = MPFR_PREC2LIMBS (prec);
+       /* prec bits corresponds to ysize limbs */
+       ysize_bits = ysize * GMP_NUMB_BITS;
+       /* and to ysize_bits >= prec > MPFR_PREC (x) bits */
+diff -Naurd mpfr-3.1.0-a/src/sub1sp.c mpfr-3.1.0-b/src/sub1sp.c
+--- mpfr-3.1.0-a/src/sub1sp.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/sub1sp.c	2012-03-08 15:17:03.000000000 +0000
+@@ -155,8 +155,8 @@
+   MPFR_ASSERTD(MPFR_IS_PURE_FP(c));
+ 
+   /* Read prec and num of limbs */
+-  p = MPFR_PREC(b);
+-  n = (p-1)/GMP_NUMB_BITS+1;
++  p = MPFR_PREC (b);
++  n = MPFR_PREC2LIMBS (p);
+ 
+   /* Fast cmp of |b| and |c|*/
+   bx = MPFR_GET_EXP (b);
+diff -Naurd mpfr-3.1.0-a/src/urandomb.c mpfr-3.1.0-b/src/urandomb.c
+--- mpfr-3.1.0-a/src/urandomb.c	2011-10-03 08:17:09.000000000 +0000
++++ mpfr-3.1.0-b/src/urandomb.c	2012-03-08 15:17:03.000000000 +0000
+@@ -31,13 +31,20 @@
+    a sufficient number of limbs */
+ void
+ mpfr_rand_raw (mpfr_limb_ptr mp, gmp_randstate_t rstate,
+-               unsigned long int nbits)
++               mpfr_prec_t nbits)
+ {
+   mpz_t z;
+ 
++  MPFR_ASSERTN (nbits >= 1);
+   /* To be sure to avoid the potential allocation of mpz_urandomb */
+-  ALLOC(z) = SIZ(z) = ((nbits - 1) / GMP_NUMB_BITS) + 1;
++  ALLOC(z) = SIZ(z) = MPFR_PREC2LIMBS (nbits);
+   PTR(z)   = mp;
++#if __MPFR_GMP(5,0,0)
++  /* Check for integer overflow (unless mp_bitcnt_t is signed,
++     but according to the GMP manual, this shouldn't happen).
++     Note: mp_bitcnt_t has been introduced in GMP 5.0.0. */
++  MPFR_ASSERTN ((mp_bitcnt_t) -1 < 0 || nbits <= (mp_bitcnt_t) -1);
++#endif
+   mpz_urandomb (z, rstate, nbits);
+ }
+ 
+diff -Naurd mpfr-3.1.0-a/src/version.c mpfr-3.1.0-b/src/version.c
+--- mpfr-3.1.0-a/src/version.c	2012-02-24 13:50:05.000000000 +0000
++++ mpfr-3.1.0-b/src/version.c	2012-03-08 15:17:03.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+-  return "3.1.0-p6";
++  return "3.1.0-p7";
+ }
+diff -Naurd mpfr-3.1.0-a/tests/tinits.c mpfr-3.1.0-b/tests/tinits.c
+--- mpfr-3.1.0-a/tests/tinits.c	2011-10-03 08:17:14.000000000 +0000
++++ mpfr-3.1.0-b/tests/tinits.c	2012-03-08 15:17:03.000000000 +0000
+@@ -1,4 +1,4 @@
+-/* Test file for mpfr_inits, mpfr_inits2 and mpfr_clears.
++/* Test file for mpfr_init2, mpfr_inits, mpfr_inits2 and mpfr_clears.
+ 
+ Copyright 2003, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Contributed by the Arenaire and Caramel projects, INRIA.
+@@ -20,18 +20,43 @@
+ http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
+ 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
+ 
++#include <stdlib.h>
++
+ #include "mpfr-test.h"
+ 
+ int
+ main (void)
+ {
+   mpfr_t a, b, c;
++  long large_prec;
+ 
+   tests_start_mpfr ();
++
+   mpfr_inits (a, b, c, (mpfr_ptr) 0);
+   mpfr_clears (a, b, c, (mpfr_ptr) 0);
+   mpfr_inits2 (200, a, b, c, (mpfr_ptr) 0);
+   mpfr_clears (a, b, c, (mpfr_ptr) 0);
++
++  /* test for precision 2^31-1, see
++     https://gforge.inria.fr/tracker/index.php?func=detail&aid=13918 */
++  large_prec = 2147483647;
++  if (getenv ("MPFR_CHECK_LARGEMEM") != NULL)
++    {
++      /* We assume that the precision won't be increased internally. */
++      if (large_prec > MPFR_PREC_MAX)
++        large_prec = MPFR_PREC_MAX;
++      mpfr_inits2 (large_prec, a, b, (mpfr_ptr) 0);
++      mpfr_set_ui (a, 17, MPFR_RNDN);
++      mpfr_set (b, a, MPFR_RNDN);
++      if (mpfr_get_ui (a, MPFR_RNDN) != 17)
++        {
++          printf ("Error in mpfr_init2 with precision 2^31-1\n");
++          exit (1);
++        }
++      mpfr_clears (a, b, (mpfr_ptr) 0);
++    }
++
+   tests_end_mpfr ();
++
+   return 0;
+ }
diff --git a/dev-libs/mpfr/mpfr-3.1.0_p7.ebuild b/dev-libs/mpfr/mpfr-3.1.0_p7.ebuild
new file mode 100644
index 000000000000..36337e550620
--- /dev/null
+++ b/dev-libs/mpfr/mpfr-3.1.0_p7.ebuild
@@ -0,0 +1,70 @@
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-libs/mpfr/mpfr-3.1.0_p7.ebuild,v 1.1 2012/03/09 19:57:25 vapier Exp $
+
+EAPI="3"
+
+# NOTE: we cannot depend on autotools here starting with gcc-4.3.x
+inherit eutils multilib
+
+MY_PV=${PV/_p*}
+MY_P=${PN}-${MY_PV}
+PLEVEL=${PV/*p}
+DESCRIPTION="library for multiple-precision floating-point computations with exact rounding"
+HOMEPAGE="http://www.mpfr.org/"
+SRC_URI="http://www.mpfr.org/mpfr-${MY_PV}/${MY_P}.tar.bz2"
+
+LICENSE="LGPL-2.1"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 -sparc-fbsd -x86-fbsd"
+IUSE="static-libs"
+
+RDEPEND=">=dev-libs/gmp-4.1.4-r2[static-libs?]"
+DEPEND="${RDEPEND}"
+
+S=${WORKDIR}/${MY_P}
+
+src_prepare() {
+	[[ -d ${FILESDIR}/${PV} ]] && epatch "${FILESDIR}"/${PV}/*.patch
+	[[ ${PLEVEL} == ${PV} ]] && return 0
+	for ((i=1; i<=PLEVEL; ++i)) ; do
+		patch=patch$(printf '%02d' ${i})
+		if [[ -f ${FILESDIR}/${MY_PV}/${patch} ]] ; then
+			epatch "${FILESDIR}"/${MY_PV}/${patch}
+		elif [[ -f ${DISTDIR}/${PN}-${MY_PV}_p${i} ]] ; then
+			epatch "${DISTDIR}"/${PN}-${MY_PV}_p${i}
+		else
+			ewarn "${DISTDIR}/${PN}-${MY_PV}_p${i}"
+			die "patch ${i} missing - please report to bugs.gentoo.org"
+		fi
+	done
+	sed -i '/if test/s:==:=:' configure #261016
+	find . -type f -print0 | xargs -0 touch -r configure
+}
+
+src_configure() {
+	econf \
+		--docdir=/usr/share/doc/${PF} \
+		$(use_enable static-libs static)
+}
+
+src_install() {
+	emake install DESTDIR="${D}" || die
+	use static-libs || rm -f "${D}"/usr/$(get_libdir)/libmpfr.la
+
+	# clean up html/license install
+	pushd "${D}"/usr/share/doc/${PF} >/dev/null
+	dohtml *.html && rm COPYING* *.html || die
+	popd >/dev/null
+	# some, but not all, are already installed
+	dodoc AUTHORS BUGS ChangeLog NEWS README TODO
+	prepalldocs
+}
+
+pkg_preinst() {
+	preserve_old_lib /usr/$(get_libdir)/libmpfr.so.1
+}
+
+pkg_postinst() {
+	preserve_old_lib_notify /usr/$(get_libdir)/libmpfr.so.1
+}