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fixed invalid backtracking, a temporary solution

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Heng Li
2017-06-28 18:17:57 -04:00
parent a25866c25c
commit 5e202afb5f
2 changed files with 16 additions and 2 deletions
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ksw2.h
-1
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@@ -99,7 +99,6 @@ static inline void ksw_backtrack(void *km, int is_rot, int is_rev, const uint8_t
if (is_rot) r = i + j, tmp = p[r * n_col + i - off[r]];
else tmp = p[i * n_col + j - off[i]];
which = tmp >> (which << 1) & 3;
if (which == 0 && tmp>>6) break;
if (which == 0) which = tmp & 3;
if (which == 0) cigar = ksw_push_cigar(km, &n_cigar, &m_cigar, cigar, 0, 1), --i, --j; // match
else if (which == 1) cigar = ksw_push_cigar(km, &n_cigar, &m_cigar, cigar, 2, 1), --i; // deletion