bool Decimal::operator<(Decimal rhs) const
{
Decimal lhs = *this;
lhs.rationalize();
rhs.rationalize();
if (lhs.m_places == rhs.m_places)
{
return lhs.m_intval < rhs.m_intval;
}
bool const left_is_longer = (lhs.m_places > rhs.m_places);
Decimal const *const shorter = (left_is_longer? &rhs: &lhs);
Decimal const *const longer = (left_is_longer? &lhs: &rhs);
places_type const target_places = shorter->m_places;
int_type longers_revised_intval = longer->m_intval;
int_type const shorters_intval = shorter->m_intval;
bool const longer_is_negative = (longers_revised_intval < 0);
for
( places_type longers_places = longer->m_places;
longers_places != target_places;
--longers_places
)
{
JEWEL_ASSERT (s_base > 0);
JEWEL_ASSERT (!division_is_unsafe(longers_revised_intval, s_base));
longers_revised_intval /= s_base;
JEWEL_ASSERT (longers_places > 0);
}
bool longer_is_smaller =
( longer_is_negative?
(longers_revised_intval <= shorters_intval):
(longers_revised_intval < shorters_intval)
);
return ( &lhs == (longer_is_smaller? longer: shorter) );
}
bool Decimal::operator==(Decimal rhs) const
{
Decimal temp_lhs = *this;
temp_lhs.rationalize();
rhs.rationalize();
return
( temp_lhs.m_intval == rhs.m_intval &&
temp_lhs.m_places == rhs.m_places
);
}