diff options
Diffstat (limited to 'tests/basics')
| -rw-r--r-- | tests/basics/int_big_div.py | 7 | ||||
| -rw-r--r-- | tests/basics/int_big_mod.py | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/tests/basics/int_big_div.py b/tests/basics/int_big_div.py index 8dacf495db..642f051d41 100644 --- a/tests/basics/int_big_div.py +++ b/tests/basics/int_big_div.py @@ -1,3 +1,10 @@ for lhs in (1000000000000000000000000, 10000000000100000000000000, 10012003400000000000000007, 12349083434598210349871029923874109871234789): for rhs in range(1, 555): print(lhs // rhs) + +# these check an edge case on 64-bit machines where two mpz limbs +# are used and the most significant one has the MSB set +x = 0x8000000000000000 +print((x + 1) // x) +x = 0x86c60128feff5330 +print((x + 1) // x) diff --git a/tests/basics/int_big_mod.py b/tests/basics/int_big_mod.py index 77c0ffc468..f383553c18 100644 --- a/tests/basics/int_big_mod.py +++ b/tests/basics/int_big_mod.py @@ -8,3 +8,10 @@ for i in range(11): y = delta * (j)# - 5) # TODO reinstate negative number test when % is working with sign correctly if y != 0: print(x % y) + +# these check an edge case on 64-bit machines where two mpz limbs +# are used and the most significant one has the MSB set +x = 0x8000000000000000 +print((x + 1) % x) +x = 0x86c60128feff5330 +print((x + 1) % x) |