void BitFieldWidget::updateBits(const HNumber& number)
{
QString binaryNumberString = HMath::format(number, 'b');
QListIterator<BitWidget*> bitsIterator(m_bitWidgets);
if (number.isZero() || !number.isInteger())
binaryNumberString.clear();
else if (number.isNegative())
binaryNumberString.remove(0, 3); // Remove '-0b'.
else
binaryNumberString.remove(0, 2); // Remove '0b'.
QString::ConstIterator iterator = binaryNumberString.end();
while (bitsIterator.hasNext()) {
if (iterator != binaryNumberString.begin()) {
--iterator;
bitsIterator.next()->setState(*iterator == '1');
} else
bitsIterator.next()->setState(false);
}
}
HNumber function_round(Function* f, const Function::ArgumentList& args)
{
ENSURE_EITHER_ARGUMENT_COUNT(1, 2);
HNumber num = args.at(0);
if (args.count() == 2) {
HNumber argPrecision = args.at(1);
if (argPrecision != 0) {
if (!argPrecision.isInteger()) {
f->setError(OutOfDomain);
return HMath::nan();
}
int prec = argPrecision.toInt();
if (prec)
return HMath::round(num, prec);
// The second parameter exceeds the integer limits.
if (argPrecision < 0)
return HNumber(0);
return num;
}
}
return HMath::round(num);
}
HNumber Functions::Private::round( Function * f, const QVector<HNumber> & args )
{
int nArgs = args.count();
if ( nArgs != 1 && nArgs != 2 )
{
f->setError( f->name(), Functions::tr(
"function requires 1 or 2 arguments" ) );
return HNumber::nan();
}
HNumber num = args[0];
if( nArgs == 2){
int prec = 0;
HNumber argprec = args[1];
if (argprec != 0)
{
if( !argprec.isInteger() )
{
f->setError( f->name(), Functions::tr(
"function undefined for specified arguments" ) );
return HNumber::nan();
}
if ((prec = argprec.toInt()) != 0)
return HMath::round( num, prec );
// the 2. parameter exceeds the integer limits
if (argprec < 0)
return HNumber(0);
return num;
}
}
return HMath::round( num );
}
