;------------------------------------------------------------------------------
;  boost::gregorian::date visualizer
;------------------------------------------------------------------------------

boost::gregorian::date{
	preview
	( 
		#( 
			100*((4*($c.days_+32044)+3)/146097)+((4*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4))+3)/1461)-4800+(((5*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4)-(1461*((4*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4))+3)/1461))/4)+2)/153)/10),
			"-",
			((5*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4)-(1461*((4*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4))+3)/1461))/4)+2)/153)+3-12*(((5*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4)-(1461*((4*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4))+3)/1461))/4)+2)/153)/10),
			"-",
			($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4)-(1461*((4*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4))+3)/1461))/4)-((153*((5*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4)-(1461*((4*($c.days_+32044-((146097*((4*($c.days_+32044)+3)/146097))/4))+3)/1461))/4)+2)/153)+2)/5)+1
		 )
	)		
}

;------------------------------------------------------------------------------
;  boost::gregorian::date_duration visualizer
;------------------------------------------------------------------------------

boost::gregorian::date_duration{
	preview
	( 
		#( 
			$c.days_.value_,
			" days"
		 )
	)		
}

;------------------------------------------------------------------------------
;  boost::posix_time::time_duration visualizer
;  only works with microseconds resolution
;------------------------------------------------------------------------------

boost::posix_time::time_duration{
	preview
	( 
		#( 
			$c.ticks_.value_/86400000000,
			"d ",
			($c.ticks_.value_-86400000000*($c.ticks_.value_/86400000000))/3600000000,
			"h ",
			($c.ticks_.value_-86400000000*($c.ticks_.value_/86400000000)-3600000000*(($c.ticks_.value_-86400000000*($c.ticks_.value_/86400000000))/3600000000))/60000000,
			"m ",
			(($c.ticks_.value_-86400000000*($c.ticks_.value_/86400000000)-3600000000*(($c.ticks_.value_-86400000000*($c.ticks_.value_/86400000000))/3600000000))-60000000*(($c.ticks_.value_-86400000000*($c.ticks_.value_/86400000000) - 3600000000*(($c.ticks_.value_-86400000000*($c.ticks_.value_/86400000000))/3600000000))/60000000))/1000000,
			"s ",
			($c.ticks_.value_%1000000)/1000,
			"ms ",
			$c.ticks_.value_%1000,
			"us"
		 )
	)		
}

;------------------------------------------------------------------------------
;  boost::posix_time::ptime visualizer
;  only works with microseconds resolution
;------------------------------------------------------------------------------

boost::posix_time::ptime{
	preview
	( 
		#( 
			100*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097)+((4*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4))+3)/1461)-4800+(((5*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4)-(1461*((4*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4))+3)/1461))/4)+2)/153)/10),
			"-",
			((5*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4)-(1461*((4*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4))+3)/1461))/4)+2)/153)+3-12*(((5*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4)-(1461*((4*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4))+3)/1461))/4)+2)/153)/10),
			"-",
			(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4)-(1461*((4*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4))+3)/1461))/4)-((153*((5*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4)-(1461*((4*(($c.time_.time_count_.value_/86400000000)+32044-((146097*((4*(($c.time_.time_count_.value_/86400000000)+32044)+3)/146097))/4))+3)/1461))/4)+2)/153)+2)/5)+1,
			"  ",
			($c.time_.time_count_.value_-86400000000*($c.time_.time_count_.value_/86400000000))/3600000000,
			"h",
			($c.time_.time_count_.value_-86400000000*($c.time_.time_count_.value_/86400000000)-3600000000*(($c.time_.time_count_.value_-86400000000*($c.time_.time_count_.value_/86400000000))/3600000000))/60000000,
			"m",
			(($c.time_.time_count_.value_-86400000000*($c.time_.time_count_.value_/86400000000)-3600000000*(($c.time_.time_count_.value_-86400000000*($c.time_.time_count_.value_/86400000000))/3600000000))-60000000*(($c.time_.time_count_.value_-86400000000*($c.time_.time_count_.value_/86400000000) - 3600000000*(($c.time_.time_count_.value_-86400000000*($c.time_.time_count_.value_/86400000000))/3600000000))/60000000))/1000000,
			"s (",
			$c.time_.time_count_.value_%1000000,
			"us)"
		 )
	)		
}