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py: Fix bug in mpz_and function.

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Addresses issue #610.
This commit is contained in:
Damien George 2014-05-12 23:27:29 +01:00
parent cc97446ca5
commit 561e425903
2 changed files with 10 additions and 2 deletions
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4
py/mpz.c
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@ -213,8 +213,8 @@ STATIC uint mpn_and(mpz_dig_t *idig, const mpz_dig_t *jdig, uint jlen, const mpz
*idig = *jdig & *kdig; *idig = *jdig & *kdig;
} }
for (; jlen > 0; --jlen, ++idig) { // remove trailing zeros
*idig = 0; for (; idig > oidig && *idig == 0; --idig) {
} }
return idig - oidig; return idig - oidig;

8
tests/basics/int-big-and.py Normal file
View File

@ -0,0 +1,8 @@
print(0 & (1 << 80))
print(0 & (1 << 80) == 0)
print(bool(0 & (1 << 80)))
#a = 0xfffffffffffffffffffffffffffff
#print(a & (1 << 80))
#print((a & (1 << 80)) >> 80)
#print((a & (1 << 80)) >> 80 == 1)