| author |  Isaac Hier <isaachier@gmail.com> 2018-06-21 08:14:26-04:00 |
| committer | Isaac Hier <isaachier@gmail.com> 2018-06-21 08:14:26-04:00 |
| log | 0ab4afbf4236e6823be6b8845b7e9fa77f7c61f9 |
| tree | 53f743184e563ad0353eb3d0ea65cab5a8e86712 |
| parent | eb6a8e6a3bba061c4a7fb18f53976e1fb683c3d4 |
Fix increment operation for bigint -1
1 files changed, 14 insertions(+), 4 deletions(-)
src
src/bigint.cpp+14-4
| ... | ... | @@ -1683,10 +1683,20 @@ void bigint_incr(BigInt *x) { |
| 1683 | 1683 | bigint_init_unsigned(x, 1); |
| 1684 | 1684 | return; |
| 1685 | 1685 | } |
| 1686 | ||
| 1687 | if (x->digit_count == 1 && x->data.digit != UINT64_MAX) { | |
| 1688 | x->data.digit += 1; | |
| 1689 | return; | |
| 1686 | ||
| 1687 | if (x->digit_count == 1) { | |
| 1688 | if (x->is_negative) { | |
| 1689 | if (x->data.digit != 0) { | |
| 1690 | x->data.digit -= 1; | |
| 1691 | } | |
| 1692 | return; | |
| 1693 | } | |
| 1694 | else { | |
| 1695 | if (x->data.digit != UINT64_MAX) { | |
| 1696 | x->data.digit += 1; | |
| 1697 | } | |
| 1698 | return; | |
| 1699 | } | |
| 1690 | 1700 | } |
| 1691 | 1701 | |
| 1692 | 1702 | BigInt copy; |