Impact of Qt on ICU ?

? Offline

Hello,

I'm using both QtCore and ICU and as soon in my code I declare a QCoreApplication, ICU locale functions no longer works correctly.

@
#include <iostream>
#include <unicode/numfmt.h>
#include <QCoreApplication>

void test_icu(const Formattable& fmtbl)
{
Locale locale("en");
UErrorCode status = U_ZERO_ERROR;
NumberFormat* fmt = NumberFormat::createInstance(locale, status);

    if (U_FAILURE(status))
    {
            std::cerr << "NumberFormat::createInstance failed with code " << status << std::endl;
    }
    else
    {
            UnicodeString text;
            fmt->format(fmtbl, text, status);

            if (U_FAILURE(status))
            {
                    std::cerr << "NumberFormat::format failed with code " << status << std::endl;
            }
            else
            {
                    std::string result;
                    text.toUTF8String(result);
                    std::cout << "Result = " << result << std::endl;
            }
    }

}

void test_icu()
{
test_icu(Formattable(123));
test_icu(Formattable(123.456));
}

int main(int argc, char** argv)
{
test_icu();
QCoreApplication app(argc, argv);
test_icu();
return 0;
}
@

The output is :

@
Result = 123
Result = 123.456
Result = 123
Result = NaN
@

ICU failed to format float values after QCoreApplication initialization.

I'm using Qt 4.7.4, ICU 4.8 on Debian wheezy (amd64).

Does Qt change the system locale or the cpu floating precision ?

Thank you in advance.