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--junc-bed apparently working

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Also fixed an issue with splice alignment in the reverse strand, though this
should have a very minor effect in practice.
This commit is contained in:
Heng Li
2019-04-28 16:47:12 -04:00
parent f4c844b143
commit e80759c97a
2 changed files with 48 additions and 24 deletions
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ksw2_exts2_sse.c
+46 -21
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@@ -113,29 +113,54 @@ void ksw_exts2_sse(void *km, int qlen, const uint8_t *query, int tlen, const uin
if (flag & (KSW_EZ_SPLICE_FOR|KSW_EZ_SPLICE_REV)) {
int semi_cost = flag&KSW_EZ_SPLICE_FLANK? -noncan/2 : 0; // GTr or yAG is worth 0.5 bit; see PMID:18688272
memset(donor, -noncan, tlen_ * 16);
for (t = 0; t < tlen - 4; ++t) {
int can_type = 0; // type of canonical site: 0=none, 1=GT/AG only, 2=GTr/yAG
if ((flag & KSW_EZ_SPLICE_FOR) && target[t+1] == 2 && target[t+2] == 3) can_type = 1; // GTr...
if ((flag & KSW_EZ_SPLICE_REV) && target[t+1] == 1 && target[t+2] == 3) can_type = 1; // CTr...
if (can_type && (target[t+3] == 0 || target[t+3] == 2)) can_type = 2;
if (can_type) ((int8_t*)donor)[t] = can_type == 2? 0 : semi_cost;
}
if (junc)
for (t = 0; t < tlen - 1; ++t)
if (((flag & KSW_EZ_SPLICE_FOR) && (junc[t+1]&1)) || ((flag & KSW_EZ_SPLICE_REV) && (junc[t+1]&2)))
((int8_t*)donor)[t] += junc_bonus;
memset(acceptor, -noncan, tlen_ * 16);
for (t = 2; t < tlen; ++t) {
int can_type = 0;
if ((flag & KSW_EZ_SPLICE_FOR) && target[t-1] == 0 && target[t] == 2) can_type = 1; // ...yAG
if ((flag & KSW_EZ_SPLICE_REV) && target[t-1] == 0 && target[t] == 1) can_type = 1; // ...yAC
if (can_type && (target[t-2] == 1 || target[t-2] == 3)) can_type = 2;
if (can_type) ((int8_t*)acceptor)[t] = can_type == 2? 0 : semi_cost;
if (!(flag & KSW_EZ_REV_CIGAR)) {
for (t = 0; t < tlen - 4; ++t) {
int can_type = 0; // type of canonical site: 0=none, 1=GT/AG only, 2=GTr/yAG
if ((flag & KSW_EZ_SPLICE_FOR) && target[t+1] == 2 && target[t+2] == 3) can_type = 1; // GTr...
if ((flag & KSW_EZ_SPLICE_REV) && target[t+1] == 1 && target[t+2] == 3) can_type = 1; // CTr...
if (can_type && (target[t+3] == 0 || target[t+3] == 2)) can_type = 2;
if (can_type) ((int8_t*)donor)[t] = can_type == 2? 0 : semi_cost;
}
if (junc)
for (t = 0; t < tlen - 1; ++t)
if (((flag & KSW_EZ_SPLICE_FOR) && (junc[t+1]&1)) || ((flag & KSW_EZ_SPLICE_REV) && (junc[t+1]&8)))
((int8_t*)donor)[t] += junc_bonus;
for (t = 2; t < tlen; ++t) {
int can_type = 0;
if ((flag & KSW_EZ_SPLICE_FOR) && target[t-1] == 0 && target[t] == 2) can_type = 1; // ...yAG
if ((flag & KSW_EZ_SPLICE_REV) && target[t-1] == 0 && target[t] == 1) can_type = 1; // ...yAC
if (can_type && (target[t-2] == 1 || target[t-2] == 3)) can_type = 2;
if (can_type) ((int8_t*)acceptor)[t] = can_type == 2? 0 : semi_cost;
}
if (junc)
for (t = 0; t < tlen; ++t)
if (((flag & KSW_EZ_SPLICE_FOR) && (junc[t]&2)) || ((flag & KSW_EZ_SPLICE_REV) && (junc[t]&4)))
((int8_t*)acceptor)[t] += junc_bonus;
} else {
for (t = 0; t < tlen - 4; ++t) {
int can_type = 0; // type of canonical site: 0=none, 1=GT/AG only, 2=GTr/yAG
if ((flag & KSW_EZ_SPLICE_FOR) && target[t+1] == 2 && target[t+2] == 0) can_type = 1; // GAy...
if ((flag & KSW_EZ_SPLICE_REV) && target[t+1] == 1 && target[t+2] == 0) can_type = 1; // CAy...
if (can_type && (target[t+3] == 1 || target[t+3] == 3)) can_type = 2;
if (can_type) ((int8_t*)donor)[t] = can_type == 2? 0 : semi_cost;
}
if (junc)
for (t = 0; t < tlen - 1; ++t)
if (((flag & KSW_EZ_SPLICE_FOR) && (junc[t+1]&2)) || ((flag & KSW_EZ_SPLICE_REV) && (junc[t+1]&4)))
((int8_t*)donor)[t] += junc_bonus;
for (t = 2; t < tlen; ++t) {
int can_type = 0;
if ((flag & KSW_EZ_SPLICE_FOR) && target[t-1] == 3 && target[t] == 2) can_type = 1; // ...rTG
if ((flag & KSW_EZ_SPLICE_REV) && target[t-1] == 3 && target[t] == 1) can_type = 1; // ...rTC
if (can_type && (target[t-2] == 0 || target[t-2] == 2)) can_type = 2;
if (can_type) ((int8_t*)acceptor)[t] = can_type == 2? 0 : semi_cost;
}
if (junc)
for (t = 0; t < tlen; ++t)
if (((flag & KSW_EZ_SPLICE_FOR) && (junc[t]&1)) || ((flag & KSW_EZ_SPLICE_REV) && (junc[t]&8)))
((int8_t*)acceptor)[t] += junc_bonus;
}
if (junc)
for (t = 0; t < tlen; ++t)
if (((flag & KSW_EZ_SPLICE_FOR) && (junc[t]&2)) || ((flag & KSW_EZ_SPLICE_REV) && (junc[t]&1)))
((int8_t*)acceptor)[t] += junc_bonus;
}
for (r = 0, last_st = last_en = -1; r < qlen + tlen - 1; ++r) {