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Forum: GNU MPFR 4.0.1 is released

Posted by: Vincent Lefèvre
Date: 2018-02-08 21:02
Summary: GNU MPFR 4.0.1 is released
Project: MPFR


GNU MPFR 4.0.1 ("dinde aux marrons", patch level 1), a C library for multiple-precision floating-point computations with correct rounding, is now available for download from the MPFR web site:


from InriaForge:


and from the GNU FTP site:


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

The SHA1 digests:
fcbbafb37c683898e585b926608d540ed037609e mpfr-4.0.1.tar.bz2
655e3cf416a0cc9530d9cb3c38dc8839504f0e98 mpfr-4.0.1.tar.gz
ae555c56a6fccd21a0ffe3dd3bdc5eb5cc1a5fce mpfr-4.0.1.tar.xz
8194e79f639c8b7c4a2bf63dc5e9945780497eb8 mpfr-4.0.1.zip

The SHA256 digests:
a4d97610ba8579d380b384b225187c250ef88cfe1d5e7226b89519374209b86b mpfr-4.0.1.tar.bz2
e650f8723bfc6eca4f222c021db3d5d4cebe2e21c82498329bb9e6815b99c88c mpfr-4.0.1.tar.gz
67874a60826303ee2fb6affc6dc0ddd3e749e9bfcb4c8655e3953d0458a6e16e mpfr-4.0.1.tar.xz
a9f955d2e4ff59e001c4bf2283a0a77bd7a9f3cbdfce77a05a8249847453cfea mpfr-4.0.1.zip

The signatures:

Each tarball is signed by Vincent Lefèvre. This can be verified using the DSA key ID 980C197698C3739D; this key can be retrieved with:

gpg --recv-keys 980C197698C3739D

or by downloading it from <https://www.vinc17.net/pgp.html>. The key fingerprint is:

07F3 DBBE CC1A 3960 5078 094D 980C 1976 98C3 739D

The signatures can be verified with: gpg --verify <file.asc>
You should check that the key fingerprint matches.

Changes from version 4.0.0 to version 4.0.1:
- Improved MPFR manual.
- Improved __GMP_CC and __GMP_CFLAGS retrieval (in particular for MS Windows).
- Fixed a build failure on some platforms when --with-gmp-build is used.
- Bug fixes (see ChangeLog file), in particular in mpfr_div_ui, which could yield an incorrectly rounded result to nearest when using different precisions; this bug had been present since the introduction of mpfr_div_ui, and in MPFR 4.0.0, it was affecting mpfr_div too.
- New: optional "make check-exported-symbols", mainly for the MPFR developers and binary distributions, to check that MPFR does not define symbols with a GMP reserved prefix (experimental).
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