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Forum: GNU MPFR 3.1.0 is released

Posted by: Vincent Lefèvre
Date: 2011-10-28 15:13
Summary: GNU MPFR 3.1.0 is released
Project: MPFR


GNU MPFR 3.1.0 ("canard à l'orange") is now available for download
from the MPFR web site:


and from INRIAGForge:


and from the GNU FTP site:


Thanks very much to those who sent us bug reports and/or tested
the release candidates.

The MD5's:
238ae4a15cc3a5049b723daef5d17938 mpfr-3.1.0.tar.bz2
10968131acc26d79311ac4f8982ff078 mpfr-3.1.0.tar.gz
6e495841bb026481567006cec0f821c3 mpfr-3.1.0.tar.xz
c05c3d14d10a8420b4f33bc3fa5dab65 mpfr-3.1.0.zip

The SHA1's:
9ba6dfe62dad298f0570daf182db31660f7f016c mpfr-3.1.0.tar.bz2
d7d31b1cc796886a61a57a13bf43a496601d46b5 mpfr-3.1.0.tar.gz
fae7d5b1e607c9208f0076d6931ff44dc169e143 mpfr-3.1.0.tar.xz
efa74f1b70893b6ae57f08317558aba887ffe2a3 mpfr-3.1.0.zip

The signatures:

Changes from versions 3.0.* to version 3.1.0:
- The MPFR source has been reorganized.
- Dropped ansi2knr support.
- TLS support is now detected automatically. If TLS is supported, MPFR is
built as thread safe by default. To disable TLS explicitly, configure
MPFR with --disable-thread-safe.
- New --enable-gmp-internals configure option to use GMP's undocumented
functions (not from the public API). Note that library versioning is
not guaranteed to work if this option is used.
- The mpfr_urandom and mpfr_urandomb functions now return identical values
on processors with different word size (assuming the same random seed, and
since the GMP random generator does not depend itself on the word size,
cf http://gmplib.org/list-archives/gmp-devel/2010-September/001642.html).
- The mpfr_add_one_ulp and mpfr_sub_one_ulp macros (which are obsolete and
no more documented) will be removed in a future release.
- Speed improvement for the mpfr_sqr and mpfr_div functions using Mulders'
algorithm. As a consequence, other functions using those routines are
also faster.
- Much faster formatted output (mpfr_printf, etc.) with %Rg and similar.
- The --with-gmp-build configure option can now be used when the GMP
source directory and the GMP build directory are different (without
having to copy header files manually as before).
- New functions mpfr_buildopt_gmpinternals_p, mpfr_buildopt_tune_case,
mpfr_frexp, mpfr_grandom and mpfr_z_sub.
- New divide-by-zero exception (flag) and associated functions.
- The mpfr.h header can be included several times, while still supporting
optional functions (see Section "Headers and Libraries" in the manual).
- Updated tuning parameters.
- Improved MPFR manual.
- MPFR tests: libtool no longer generates wrapper scripts with "make check"
(so that running the tests under valgrind or gdb is easier).
- Bug fixes.
Note: The mpfr_subnormalize implementation up to MPFR 3.0.0 did not change
the flags. In particular, it did not follow the generic rule concerning
the inexact flag (and no special behavior was specified). The case of the
underflow flag was more a lack of specification.
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