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zdrop sort of works, but has issues 

left and right extensions are different; NM is also wrong
This commit is contained in:
Heng Li 2017-06-25 10:52:14 -04:00
parent 72dfb0c99e
commit b261a4a74b
1 changed files with 8 additions and 4 deletions
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12
align.c
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@ -164,12 +164,14 @@ static void mm_align1(void *km, const mm_mapopt_t *opt, const mm_idx_t *mi, int
mm_idx_getseq(mi, rid, rs0, rs, tseq);
mm_seq_rev(qs - qs0, qseq);
mm_seq_rev(rs - rs0, tseq);
fprintf(stderr, "%d,%d\n", rs, qs);
ksw_extz2_sse(km, qs - qs0, qseq, rs - rs0, tseq, 5, mat, opt->q, opt->e, bw, opt->zdrop, KSW_EZ_EXTZ_ONLY|KSW_EZ_RIGHT|KSW_EZ_REV_CIGAR, ez);
mm_append_cigar(r, ez->n_cigar, ez->cigar);
mm_update_extra(r->p, qseq, tseq, ez->n_cigar, ez->cigar);
r->p->score += ez->max;
rs1 = rs - (ez->max_t + 1);
qs1 = qs - (ez->max_q + 1);
fprintf(stderr, "%d,%d => %d,%d\n", rs, qs, rs1, qs1);
mm_seq_rev(qs - qs0, qseq);
} else rs1 = rs, qs1 = qs;
assert(qs1 >= 0 && rs1 >= 0);
@ -190,7 +192,6 @@ static void mm_align1(void *km, const mm_mapopt_t *opt, const mm_idx_t *mi, int
mm_update_extra(r->p, qseq, tseq, ez->n_cigar, ez->cigar);
if (ez->score == KSW_NEG_INF) { // truncated by Z-drop
int j;
abort();
for (j = i - 1; j >= 0; --j)
if ((int32_t)a[r->as + j].x < re + ez->max_t)
break;
@ -207,7 +208,7 @@ static void mm_align1(void *km, const mm_mapopt_t *opt, const mm_idx_t *mi, int
}
}
if (i == r->cnt && qe < qe0 && re < re0) { // right extension
if (r2->cnt == 0 && qe < qe0 && re < re0) { // right extension
qseq = &qseq0[rev][qe];
mm_idx_getseq(mi, rid, re, re0, tseq);
ksw_extz2_sse(km, qe0 - qe, qseq, re0 - re, tseq, 5, mat, opt->q, opt->e, bw, opt->zdrop, KSW_EZ_EXTZ_ONLY, ez);
@ -216,7 +217,9 @@ static void mm_align1(void *km, const mm_mapopt_t *opt, const mm_idx_t *mi, int
r->p->score += ez->max;
re1 = re + (ez->max_t + 1);
qe1 = qe + (ez->max_q + 1);
} else re1 = re, qe1 = qe;
} else if (r2->cnt == 0) {
re1 = re, qe1 = qe;
}
assert(qe1 <= qlen);
r->rs = rs1, r->re = re1;
@ -245,13 +248,14 @@ mm_reg1_t *mm_align_skeleton(void *km, const mm_mapopt_t *opt, const mm_idx_t *m
mm_reg1_t r2;
mm_align1(km, opt, mi, qlen, qseq0, &regs[r], &r2, a, &ez);
if (r2.cnt > 0) {
regs = (mm_reg1_t*)realloc(regs, n_regs + 1); // this should be very rare
regs = (mm_reg1_t*)realloc(regs, (n_regs + 1) * sizeof(mm_reg1_t)); // this should be very rare
if (r + 1 != n_regs)
memmove(&regs[r + 2], &regs[r + 1], sizeof(mm_reg1_t) * (n_regs - r - 1));
regs[r + 1] = r2;
++n_regs;
}
}
*n_regs_ = n_regs;
kfree(km, qseq0[0]); kfree(km, qseq0[1]); kfree(km, ez.cigar);
return regs;