Return true if this hzXDate is earlier than or the same as the operand

Declared in file: hzDate.h
Defined in file : hzDate.cpp

Function Logic:

Function body:

bool hzXDate::operator<= (hzXDate& op)
{
   //  Return true if this hzXDate is earlier than or the same as the operand
   //  
   //  Arguments: 1) op Operand date
   return ((m_hour == op.m_hour && m_usec == op.m_usec)
       || (m_hour < op.m_hour || (m_hour == op.m_hour && m_usec < op.m_usec))) ;
}