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bugfix: in-place revcomp() not working

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This commit is contained in:
Heng Li
2018-02-20 11:05:54 -05:00
parent 7dc7097208
commit 29ed675ee5
3 changed files with 15 additions and 12 deletions
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15
python/cmappy.h
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@@ -101,16 +101,15 @@ static inline mm_reg1_t *mm_map_aux(const mm_idx_t *mi, const char *seq1, const
}
}
static inline uint8_t *mappy_revcomp(int len, uint8_t *seq)
static inline char *mappy_revcomp(int len, const uint8_t *seq)
{
int i;
for (i = 0; i < len>>1; ++i) {
uint8_t t = seq_comp_table[seq[i]];
seq[i] = seq_comp_table[seq[len - 1 - i]];
seq[len - 1 - i] = t;
}
if (len&1) seq[len>>1] = seq_comp_table[seq[len>>1]];
return seq;
char *rev;
rev = (char*)malloc(len + 1);
for (i = 0; i < len; ++i)
rev[len - i - 1] = seq_comp_table[seq[i]];
rev[len] = 0;
return rev;
}
#endif