calcprime.cpp
1.35 KB
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#include "calcprime.h"
CalcPrime::CalcPrime(QObject *parent)
: QObject( parent )
, m_bCalculate( false )
, m_curValue( 0 )
, m_timer()
, oForm()
{
m_timer.setInterval( 1 );
m_timer.setSingleShot( true );
connect( &m_timer, &QTimer::timeout, this, &CalcPrime::slotTimeOut );
connect( &oForm, &CalcPrimeForm::signalStartButtonClicked, this, &CalcPrime::slotStartCalculation );
connect( &oForm, &CalcPrimeForm::signalStopButtonClicked, this, &CalcPrime::slotStopCalculation );
connect( this, &CalcPrime::signalCurrentValue, &oForm, &CalcPrimeForm::slotUpdateCurrentValue );
connect( this, &CalcPrime::signalPrimeNumberFound, &oForm, &CalcPrimeForm::slotAddNewPrime );
oForm.show();
}
void CalcPrime::slotStartCalculation()
{
m_bCalculate = true;
slotTimeOut();
}
void CalcPrime::slotStopCalculation()
{
m_bCalculate = false;
}
void CalcPrime::slotTimeOut()
{
emit signalCurrentValue( m_curValue );
if( number_is_prime( m_curValue ) )
{
emit signalPrimeNumberFound( m_curValue );
}
m_curValue++;
if( m_bCalculate )
{
m_timer.start();
}
}
bool CalcPrime::number_is_prime(uint64_t number)
{
uint64_t m = number / 2;
for( uint64_t i = 2; i <= m; i++ )
{
if( number % i == 0 )
{
return false;
}
}
return true;
}