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| author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2014-12-16 14:30:01 +0000 |
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| committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2014-12-16 14:30:01 +0000 |
| commit | 55b7cad09cb83135f1faeade157286fa1cdea973 (patch) | |
| tree | e142bb9d124eee61820dc54761fb0a60244b2f3f | |
| parent | 69b9d73ac3773d99b5ec43d724731b1781669bd5 (diff) | |
| download | mpfr-55b7cad09cb83135f1faeade157286fa1cdea973.tar.gz | |
[NEWS] Added an item about improved caching.
[NEWS,doc/mpfr.texi] In particular, mention the minimum of 10% increase
of the precision (done in r8967).
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@9254 280ebfd0-de03-0410-8827-d642c229c3f4
| -rw-r--r-- | NEWS | 3 | ||||
| -rw-r--r-- | doc/mpfr.texi | 3 |
2 files changed, 6 insertions, 0 deletions
@@ -41,6 +41,9 @@ Changes from versions 3.1.* to version 3.2.0: yield undefined behavior in some cases (this modifies both the API and the ABI). - Function mpfr_grandom is deprecated and will be removed in a future release. +- Internally, improved caching: a minimum of 10% increase of the precision + is guaranteed to avoid too many recomputations; added mpz_t caching. + [TODO: add shared caches; note that the ABI can be changed.] - Added configure option --enable-assert=none to avoid checking any assertion. - The --enable-decimal-float configure option no longer requires --with-gmp-build. diff --git a/doc/mpfr.texi b/doc/mpfr.texi index 2326a693b..ce30dbd6d 100644 --- a/doc/mpfr.texi +++ b/doc/mpfr.texi @@ -923,6 +923,9 @@ MPFR functions may create caches, e.g., when computing constants such as @m{\pi,Pi}, either because the user has called a function like @code{mpfr_const_pi} directly or because such a function was called internally by the MPFR library itself to compute some other function. +When more precision is needed, the value is automatically recomputed; +a minimum of 10% increase of the precision is guaranteed to avoid too +many recomputations. At any time, the user can free the various caches with @code{mpfr_free_cache}. It is strongly advised to do that before |