Changeset: 9e4cf96b0ccc for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/9e4cf96b0ccc
Modified Files:
monetdb5/modules/mal/txtsim.c
Branch: default
Log Message:
size_t is really not needed that much (most internal string functions return
int)
also the pocount returns an int
diffs (112 lines):
diff --git a/monetdb5/modules/mal/txtsim.c b/monetdb5/modules/mal/txtsim.c
--- a/monetdb5/modules/mal/txtsim.c
+++ b/monetdb5/modules/mal/txtsim.c
@@ -414,14 +414,14 @@ typedef struct {
BUN o; /* position in the BAT */
str val; /* string value */
int *cp_sequence; /* string as array of Unicode codepoints */
- size_t len; /* string length in characters (multi-byte
characters count as 1)*/
- size_t cp_seq_len; /* string length in bytes */
+ int len; /* string length in characters (multi-byte characters
count as 1)*/
+ int cp_seq_len; /* string length in bytes */
uint64_t abm; /* 64bit alphabet bitmap */
- size_t abm_popcount; /* hamming weight of abm */
+ int abm_popcount; /* hamming weight of abm */
} str_item;
static inline
-size_t _popcount64(uint64_t x) {
+int _popcount64(uint64_t x) {
x = (x & 0x5555555555555555ULL) + ((x >> 1) & 0x5555555555555555ULL);
x = (x & 0x3333333333333333ULL) + ((x >> 2) & 0x3333333333333333ULL);
x = (x & 0x0F0F0F0F0F0F0F0FULL) + ((x >> 4) & 0x0F0F0F0F0F0F0F0FULL);
@@ -429,7 +429,7 @@ size_t _popcount64(uint64_t x) {
}
static inline
-size_t popcount64(uint64_t x) {
+int popcount64(uint64_t x) {
return _popcount64(x);
/* __builtin_popcountll is the gcc builtin
* It is fast as long as the hardware
@@ -453,7 +453,7 @@ str_2_codepointseq(str_item *s)
if (s->cp_sequence == NULL)
throw(MAL, "str_2_byteseq", SQLSTATE(HY013) MAL_MALLOC_FAIL);
- for (size_t i = 0; i < s->len; i++) {
+ for (int i = 0; i < s->len; i++) {
UTF8_GETCHAR(c, p);
if (c == 0)
break;
@@ -465,8 +465,9 @@ illegal:
}
static void
-str_alphabet_bitmap(str_item *s) {
- size_t i;
+str_alphabet_bitmap(str_item *s)
+{
+ int i;
s->abm = 0ULL;
for (i=0; i < s->len; i++) {
@@ -482,7 +483,7 @@ jarowinkler_lp(const str_item *a, const
/* calculate common string prefix up to prefixlen chars */
l = 0;
- for (size_t i = 0; i < MIN3(a->len, b->len, JARO_WINKLER_PREFIX_LEN);
i++)
+ for (int i = 0; i < MIN3(a->len, b->len, JARO_WINKLER_PREFIX_LEN); i++)
l += (a->cp_sequence[i] == b->cp_sequence[i]);
return (double)l * JARO_WINKLER_SCALING_FACTOR;
@@ -671,11 +672,11 @@ TXTSIMminjarowinkler(bit *res, str *x, s
do {
\
for (n=0;n<lci.ncand;n++) { \
ssl[n].len = UTF8_strlen(ssl[n].val);\
- ssl[n].cp_seq_len = strlen(ssl[n].val);\
+ ssl[n].cp_seq_len = str_strlen(ssl[n].val);\
}
\
for (n=0;n<rci.ncand;n++) { \
ssr[n].len = UTF8_strlen(ssr[n].val);\
- ssr[n].cp_seq_len = strlen(ssr[n].val);\
+ ssr[n].cp_seq_len = str_strlen(ssr[n].val);\
}
\
} while (false)
@@ -743,10 +744,10 @@ TXTSIMminjarowinkler(bit *res, str *x, s
static inline int
maxlevenshtein_extcol_stritem(const str_item *si1, const str_item *si2,
unsigned int *column, const int k) {
- unsigned int x, y, lastdiag, olddiag;
- int c1, c2;
+ unsigned int lastdiag, olddiag;
+ int c1, c2, x, y;
unsigned int min;
- size_t s1len = si1->len, s2len = si2->len;
+ int s1len = si1->len, s2len = si2->len;
int *s1 = si1->cp_sequence, *s2 = si2->cp_sequence;
/* first test if the strings are equal */
if (s1len == s2len) {
@@ -896,10 +897,10 @@ fail:
}
static inline void
-jarowinklerrangebounds(size_t *lb, size_t *ub, const str_item *a, const double
lp, const double threshold)
+jarowinklerrangebounds(int *lb, int *ub, const str_item *a, const double lp,
const double threshold)
{
- *lb = (size_t)floor(3.0 * a->len * (threshold - lp) / (1.0 - lp) - (2.0
* a->len));
- *ub = (size_t)ceil(a->len / ((3.0 * (threshold - lp) / (1.0 - lp)) -
2.0 ));
+ *lb = (int)floor(3.0 * a->len * (threshold - lp) / (1.0 - lp) - (2.0 *
a->len));
+ *ub = (int)ceil(a->len / ((3.0 * (threshold - lp) / (1.0 - lp)) - 2.0
));
}
/* version with given lp and m, and t=0*/
@@ -920,7 +921,7 @@ minjarowinklerjoin(BAT **r1, BAT **r2, B
{
strjoincommonvars;
str_item shortest;
- size_t lb, ub;
+ int lb, ub;
const bool sliding_window_allowed = threshold > (2.01 +
JARO_WINKLER_PREFIX_LEN * JARO_WINKLER_SCALING_FACTOR) / 3.0;
int *s1flags=NULL, *s2flags=NULL;
double s;
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