void ViewWidget::connectSignalsAndSlots()
{
bool connected;
connected = connect(mIG,
SIGNAL(nameChanged(QString)),
this,
SLOT(on_nameChanged(QString)));
OS_ASSERT(connected);
connected = connect(this,
SIGNAL(commentsShow(bool)),
mIG,
SLOT(commentConfig(bool)));
OS_ASSERT(connected);
connected = connect(this,
SIGNAL(precisionDlgShow()),
mIGPrecisionDlg,
SLOT(show()));
OS_ASSERT(connected);
connected = connect(this,
SIGNAL(precisionDlgHide()),
mIGPrecisionDlg,
SLOT(hide()));
OS_ASSERT(connected);
connected = connect(mIGPrecisionDlg,
SIGNAL(accepted()),
mIG,
SLOT(setPrec()));
OS_ASSERT(connected);
connected = connect(mIGPrecisionDlg,
SIGNAL(accepted()),
this,
SIGNAL(precisionDlgFinished()));
OS_ASSERT(connected);
connected = connect(mIGPrecisionDlg,
SIGNAL(rejected()),
this,
SIGNAL(precisionDlgFinished()));
OS_ASSERT(connected);
connected = connect(mIGPrecisionDlg,
SIGNAL(finished(int)),
this,
SIGNAL(precisionDlgFinished()));
OS_ASSERT(connected);
connected = connect(mIG,
SIGNAL(dirty()),
this,
SIGNAL(modelDirty()));
OS_ASSERT(connected);
}
BigNumberBase BigNumberBase::operator = (const BigNumberBase& num)
{
mpz_set(m_gmp->m_integer, num.m_gmp->m_integer);
m_prec = num.m_prec;
if (m_fixedPrec != -1)
{
setPrec(m_fixedPrec, m_fixedPrecFlag);
}
return *this;
}
void BigNumberBase::setFixedPrec(int32_t fixedPrec, PrecFlag fixedPrecFlag)
{
if (fixedPrec == -1)
{
fixedPrec = Calc::PRECISE;
}
m_fixedPrec = fixedPrec;
m_fixedPrecFlag = fixedPrecFlag;
setPrec(m_fixedPrec, m_fixedPrecFlag);
}
void BigNumberBase::setPrec(int32_t prec, PrecFlag flag)
{
if (prec == -1)
{
prec = Calc::PRECISE;
}
if (m_prec == prec)
{
return;
}
if (m_prec < prec)
{
GmpInt::TenExp(m_gmp->m_integer, (prec - m_prec));
m_prec = prec;
return;
}
if (flag == BigNumberBase::HALF_ADJUST)
{
std::string result = toString();
if (result[result.size() - (m_prec - prec)] < '5')
{
setPrec(prec, BigNumberBase::ROUND_OFF);
return;
}
if (BigNumberBase::Compare(*this, "0") == BigNumberCompare::BIG)
{
setPrec(prec, BigNumberBase::ROUND_UP);
return;
}
setPrec(prec, BigNumberBase::ROUND_DOWN);
return;
}
int32_t exp = m_prec - prec;
char* szExp = (char*)malloc(exp + 2);
memset(szExp, 48, exp + 1);
szExp[exp + 1] = 0;
szExp[0] = 49;
mpz_t mpzExp;
mpz_init_set_str(mpzExp, szExp, 10);
switch (flag)
{
case BigNumberBase::ROUND_OFF:
{
mpz_tdiv_q(m_gmp->m_integer, m_gmp->m_integer, mpzExp);
break;
}
case BigNumberBase::ROUND_UP:
{
mpz_cdiv_q(m_gmp->m_integer, m_gmp->m_integer, mpzExp);
break;
}
case BigNumberBase::ROUND_DOWN:
{
mpz_fdiv_q(m_gmp->m_integer, m_gmp->m_integer, mpzExp);
break;
}
default:
break;
}
mpz_clear(mpzExp);
::free(szExp);
m_prec = prec;
}
