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| author | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2000-09-28 14:03:44 +0000 |
|---|---|---|
| committer | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2000-09-28 14:03:44 +0000 |
| commit | 865e085768a0d4c334475c2e76c305f0df1e381b (patch) | |
| tree | 1e57ce4cc95e54880bcfdeb12361a53314bd777b /sub.c | |
| parent | 8920da8ae439757d7974a94b7ff9ff9efdea34c2 (diff) | |
| download | mpfr-865e085768a0d4c334475c2e76c305f0df1e381b.tar.gz | |
fixed another ABW bug
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@760 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'sub.c')
| -rw-r--r-- | sub.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -264,7 +264,9 @@ mpfr_sub1(a, b, c, rnd_mode, diff_exp) printf("overlap=%d\n",overlap); #endif if (overlap>=0) { - cn -= overlap/BITS_PER_MP_LIMB; + if (overlap/BITS_PER_MP_LIMB <= cn) + cn -= overlap/BITS_PER_MP_LIMB; + else cn=0; overlap %= BITS_PER_MP_LIMB; /* warning: a shift of zero with mpn_lshift is not allowed */ if (overlap) { |