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author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2020-03-26 17:09:28 +0000 |
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committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2020-03-26 17:09:28 +0000 |
commit | e3dcaaf0d9e206b0acd9597622c6d3d423cb5ed5 (patch) | |
tree | 6f1103860b8da012e4c1302ea8fb329ee4185b71 /src/agm.c | |
parent | ee1e3b9bb8484d2d844f4b3383365c9387d6bac6 (diff) | |
download | mpfr-e3dcaaf0d9e206b0acd9597622c6d3d423cb5ed5.tar.gz |
[src] Portability fixes. Avoid a potential integer overflow with huge
precisions.
(merged changesets r13792-13793,13795 from the trunk)
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/branches/4.0@13828 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'src/agm.c')
-rw-r--r-- | src/agm.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -220,7 +220,7 @@ mpfr_agm (mpfr_ptr r, mpfr_srcptr op2, mpfr_srcptr op1, mpfr_rnd_t rnd_mode) mpfr_add (vf, u, v, MPFR_RNDN); /* No overflow? */ mpfr_div_2ui (vf, vf, 1, MPFR_RNDN); /* See proof in algorithms.tex */ - if (4*eq > p) + if (eq > p / 4) { mpfr_t w; MPFR_BLOCK_DECL (flags3); |