[lp_date_JulianSplit]

Description

Returns a map of the Julian date and time, given a Julian date.

Requires [lp_decimal_float] [lp_decimal_fixed] [lp_decimal_precisionset]

Sample Usage

lp_date_JulianSplit: 2450123.7; // map: (time)=(0.2), (date)=(2450123.5)

Source Code

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[

define_tag:'lp_date_JulianSplit',
	-description='Returns a map of the Julian date and time, given a Julian date.',
	-priority='replace',
	-required='JulianDate';
	
	local:'jd' = (decimal: #juliandate);
	if: (lp_decimal_float: #jd) >= 0.5;
		local:'jd0' = (decimal:(lp_decimal_fixed: #JulianDate)) + 0.5;
	else;
		local:'jd0' = (decimal:(lp_decimal_fixed: #JulianDate)) - 0.5;
	/if;

	return: (map: 'date' = (lp_decimal_precisionset:#jd0), 'time' = (lp_decimal_precisionset:(math_abs: #jd - #jd0)));

/define_tag;

]

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