summaryrefslogtreecommitdiff
path: root/doc
diff options
context:
space:
mode:
Diffstat (limited to 'doc')
-rw-r--r--doc/mpfr.texi3
1 files changed, 3 insertions, 0 deletions
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