4 KHASH_MAP_INIT_STR(str2id, int)
6 void *bcf_build_refhash(bcf_hdr_t *h)
10 hash = kh_init(str2id);
11 for (i = 0; i < h->n_ref; ++i) {
13 k = kh_put(str2id, hash, h->ns[i], &ret); // FIXME: check ret
19 void *bcf_str2id_init()
21 return kh_init(str2id);
24 void bcf_str2id_destroy(void *_hash)
26 khash_t(str2id) *hash = (khash_t(str2id)*)_hash;
27 if (hash) kh_destroy(str2id, hash); // Note that strings are not freed.
30 int bcf_str2id(void *_hash, const char *str)
32 khash_t(str2id) *hash = (khash_t(str2id)*)_hash;
35 k = kh_get(str2id, hash, str);
36 return k == kh_end(hash)? -1 : kh_val(hash, k);
39 int bcf_str2id_add(void *_hash, const char *str)
43 khash_t(str2id) *hash = (khash_t(str2id)*)_hash;
45 k = kh_put(str2id, hash, str, &ret);
46 if (ret == 0) return kh_val(hash, k);
47 kh_val(hash, k) = kh_size(hash) - 1;
48 return kh_val(hash, k);
51 int bcf_shrink_alt(bcf1_t *b, int n)
54 int i, j, k, *z, n_smpl = b->n_smpl;
55 if (b->n_alleles <= n) return -1;
57 for (p = b->alt, k = 1; *p; ++p)
58 if (*p == ',' && ++k == n) break;
60 } else p = b->alt, *p = '\0';
62 memmove(p, b->flt, b->str + b->l_str - b->flt);
63 b->l_str -= b->flt - p;
64 z = alloca(sizeof(int) / 2 * n * (n+1));
65 for (i = k = 0; i < n; ++i)
66 for (j = 0; j < n - i; ++j)
67 z[k++] = i * b->n_alleles + j;
68 for (i = 0; i < b->n_gi; ++i) {
69 bcf_ginfo_t *g = b->gi + i;
70 if (g->fmt == bcf_str2int("PL", 2)) {
71 int l, x = b->n_alleles * (b->n_alleles + 1) / 2;
72 uint8_t *d = (uint8_t*)g->data;
73 g->len = n * (n + 1) / 2;
74 for (l = k = 0; l < n_smpl; ++l) {
75 uint8_t *dl = d + l * x;
76 for (j = 0; j < g->len; ++j) d[k++] = dl[z[j]];
85 int bcf_gl2pl(bcf1_t *b)
88 int i, n_smpl = b->n_smpl;
92 if (strstr(b->fmt, "PL")) return -1;
93 if ((p = strstr(b->fmt, "GL")) == 0) return -1;
95 for (i = 0; i < b->n_gi; ++i)
96 if (b->gi[i].fmt == bcf_str2int("GL", 2))
99 g->fmt = bcf_str2int("PL", 2);
100 g->len /= 4; // 4 == sizeof(float)
101 d0 = (float*)g->data; d1 = (uint8_t*)g->data;
102 for (i = 0; i < n_smpl * g->len; ++i) {
103 int x = (int)(-10. * d0[i] + .499);
104 if (x > 255) x = 255;