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Try to boost trsort on some files #16

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c408219
change partial copy tracking
aeb1787 Sep 27, 2016
e7d9ca4
boost trsort
aeb1787 Sep 28, 2016
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2 changes: 1 addition & 1 deletion include/divsufsort_private.h
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Original file line number Diff line number Diff line change
Expand Up @@ -197,7 +197,7 @@ sssort(const sauchar_t *Td, const saidx_t *PA,
saidx_t depth, saidx_t n, saint_t lastsuffix);
/* trsort.c */
void
trsort(saidx_t *ISA, saidx_t *SA, saidx_t n, saidx_t depth);
trsort(saidx_t *ISA, saidx_t *SA, saidx_t n, saidx_t depth, saidx_t *buf, saidx_t bufsize);


#ifdef __cplusplus
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5 changes: 3 additions & 2 deletions lib/divsufsort.c
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Expand Up @@ -156,9 +156,10 @@ sort_typeBstar(const sauchar_t *T, saidx_t *SA,
}

/* Construct the inverse suffix array of type B* suffixes using trsort. */
trsort(ISAb, SA, m, 1);
buf = ISAb + m, bufsize = n - (2 * m);
trsort(ISAb, SA, m, 1, buf, bufsize);

/* Set the sorted order of tyoe B* suffixes. */
/* Set the sorted order of type B* suffixes. */
for(i = n - 1, j = m, c0 = T[n - 1]; 0 <= i;) {
for(--i, c1 = c0; (0 <= i) && ((c0 = T[i]) >= c1); --i, c1 = c0) { }
if(0 <= i) {
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