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Speed up FString::setNumber() by using a decimal string lookup table

This commit is contained in:
Markus Gans 2017-04-17 01:03:14 +02:00
parent 09d6c2879d
commit 0c3668573d
2 changed files with 8 additions and 4 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2017-04-17 Markus Gans <guru.mail@muenster.de>
* Speed up FString::setNumber() by using a decimal
string lookup table
2017-04-15 Markus Gans <guru.mail@muenster.de> 2017-04-15 Markus Gans <guru.mail@muenster.de>
* Fix unsigned integer underflow in FString::_insert() * Fix unsigned integer underflow in FString::_insert()

8
src/fstring.cpp
View File

@ -1015,7 +1015,7 @@ FString& FString::setNumber (long num)
do do
{ {
*--s = wchar_t(int(num%10) + '0'); *--s = L"0123456789"[num % 10];
num /= 10; num /= 10;
} }
while ( num ); while ( num );
@ -1038,7 +1038,7 @@ FString& FString::setNumber (uLong num)
do do
{ {
*--s = wchar_t(int(num%10) + '0'); *--s = L"0123456789"[num % 10];
num /= 10; num /= 10;
} }
while ( num ); while ( num );
@ -1102,7 +1102,7 @@ FString& FString::setFormatedNumber (long num, char separator)
do do
{ {
*--s = wchar_t(int(num%10) + '0'); *--s = L"0123456789"[num % 10];
num /= 10; num /= 10;
if ( num && ++n % 3 == 0 ) if ( num && ++n % 3 == 0 )
@ -1133,7 +1133,7 @@ FString& FString::setFormatedNumber (uLong num, char separator)
do do
{ {
*--s = wchar_t(int(num%10) + '0'); *--s = L"0123456789"[num % 10];
num /= 10; num /= 10;
if ( num && ++n % 3 == 0 ) if ( num && ++n % 3 == 0 )