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author | Damien George <damien.p.george@gmail.com> | 2015-01-27 17:47:38 +0000 |
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committer | Damien George <damien.p.george@gmail.com> | 2015-01-27 17:47:38 +0000 |
commit | a9dc9b8f6dc29d842f0a7427cc3cf068ae1cfbea (patch) | |
tree | c64b19fa0256234a19a937ac3a057af470f5324b /py/mpz.c | |
parent | e6a118ee85b35eb443057a2b6dbc87059deff6dc (diff) |
py: Fix comparison of minus-zero long int.
Diffstat (limited to 'py/mpz.c')
-rw-r--r-- | py/mpz.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -820,6 +820,10 @@ bool mpz_is_even(const mpz_t *z) { } int mpz_cmp(const mpz_t *z1, const mpz_t *z2) { + // to catch comparison of -0 with +0 + if (z1->len == 0 && z2->len == 0) { + return 0; + } int cmp = (int)z2->neg - (int)z1->neg; if (cmp != 0) { return cmp; |