diff options
Diffstat (limited to 'src/diff.hh')
| -rw-r--r-- | src/diff.hh | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/src/diff.hh b/src/diff.hh index 13f7dc40..c8063b1d 100644 --- a/src/diff.hh +++ b/src/diff.hh @@ -39,20 +39,14 @@ Snake find_end_snake_of_further_reaching_dpath(Iterator a, int N, Iterator b, in const MirroredArray<int>& V, const int D, const int k, Equal eq) { - int x; // our position along a - const bool add = k == -D or (k != D and V[k-1] < V[k+1]); // if diagonal on the right goes further along x than diagonal on the left, // then we take a vertical edge from it to this diagonal, hence x = V[k+1] - if (add) - x = V[k+1]; // else, we take an horizontal edge from our left diagonal,x = V[k-1]+1 - else - x = V[k-1]+1; - - int y = x - k; // we are by construction on diagonal k, so our position along - // b (y) is x - k. + const int x = add ? V[k+1] : V[k-1]+1; + // we are by construction on diagonal k, so our position along b (y) is x - k. + const int y = x - k; int u = x, v = y; // follow end snake along diagonal k |