Advance or retard a hzXDate by a number of seconds. This will alter the day date if the alteration is sufficient to cross one or more midnight boundaries. Returns: None

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

Function Logic:

Function body:

void hzXDate::altsec (int32_t units)
{
   //  Advance or retard a hzXDate by a number of seconds. This will alter the day date if the alteration is sufficient to cross one or more
   //  midnight boundaries.
   //  
   //  Arguments: 1) nounits Number of units (seconds) into future/past
   //  
   //  Returns: None
   int64_t S ;     //  No of full seconds
   int64_t X ;     //  No of micro-seconds
   m_hour += (units/3600);
   units %= 3600;
   S = m_usec ;
   X = units ;
   X *= 1000000;
   S += X ;
   if (S > 3600000000)
       { S -= 3600000000;m_hour++;}
   m_usec = (uint32_t) S ;
}