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Fixes #5675. Adds tests on #5675.

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Updates #5660. Updates performance section of documentation

[SVN r72954]
This commit is contained in:
Antony Polukhin
2011-07-07 11:31:25 +00:00
parent 6a8c22d5c3
commit 0e2235dc75
3 changed files with 16 additions and 8 deletions
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include/boost/lexical_cast.hpp
+8 -6
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@@ -798,12 +798,8 @@ namespace boost
if (begin == end) return false;
}
if ( *begin < czero || *begin >= czero + 10 ) {
return false;
}
bool found_decimal = false;
bool found_number_before_exp = false;
int pow_of_10 = 0;
mantissa_type mantissa=0;
bool is_mantissa_full = false;
@@ -830,6 +826,8 @@ namespace boost
-- pow_of_10;
mantissa = tmp_mantissa;
mantissa += *begin - zero;
found_number_before_exp = true;
} else {
if (*begin >= czero && *begin < czero + 10) {
@@ -851,6 +849,7 @@ namespace boost
++ pow_of_10;
}
found_number_before_exp = true;
++ length_since_last_delim;
} else if ( *begin == decimal_point || *begin == lowercase_e || *begin == capital_e) {
#ifndef BOOST_LEXICAL_CAST_ASSUME_C_LOCALE
@@ -874,7 +873,10 @@ namespace boost
++ begin;
found_decimal = true;
continue;
}else break;
}else {
if (!found_number_before_exp) return false;
break;
}
}
#ifndef BOOST_LEXICAL_CAST_ASSUME_C_LOCALE
else if (grouping_size && *begin == thousands_sep){