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Further simplifications to sqlite3AtoF() to remove unneeded branches.

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FossilOrigin-Name: dd69e53cb077873171af5312c633ca185595bf31
This commit is contained in:
drh
2016-04-26 23:14:45 +00:00
parent e5f06fdc87
commit 15af62acff
3 changed files with 13 additions and 12 deletions
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11
src/util.c
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@@ -400,12 +400,13 @@ int sqlite3AtoF(const char *z, double *pResult, int length, u8 enc){
z+=incr;
/* copy digits from after decimal to significand
** (decrease exponent by d to shift decimal right) */
while( z<zEnd && sqlite3Isdigit(*z) && s<((LARGEST_INT64-9)/10) ){
s = s*10 + (*z - '0');
z+=incr, nDigits++, d--;
while( z<zEnd && sqlite3Isdigit(*z) ){
if( s<((LARGEST_INT64-9)/10) ){
s = s*10 + (*z - '0');
d--;
}
z+=incr, nDigits++;
}
/* skip non-significant digits */
while( z<zEnd && sqlite3Isdigit(*z) ) z+=incr, nDigits++;
}
if( z>=zEnd ) goto do_atof_calc;