[lp_math_mod]

Description

Returns the modulo given a numerator and denominator.  Works around LP8.1 math_mod that returns string type and it works around LP8.1 mod operator '%' that only works with integers.

Note that this implements "truncation towards zero" which is technically not modulo, but more in line with what most people expect.

More info here: http://mathforum.org/library/drmath/view/52343.html

Requires [lp_decimal_precisionset] [lp_decimal_fixed]

Sample Usage

lp_math_mod: 10.5, 2; // 0.5

Source Code

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[

define_tag: 'lp_math_mod',
	-description='Returns the modulo given a numerator and denominator.',
	-priority='replace',
	-required='numerator',
	-required='denominator';

	// works around LP8.1 math_mod that returns string type
	// and it works around LP8.1 mod operator '%' that only works with integers
	
	// note that this implements "truncation towards zero" which is technically not modulo, but more in line with what most people expect
	// more info here: http://mathforum.org/library/drmath/view/52343.html

	return: (lp_decimal_precisionset: (decimal: #numerator) - (decimal: #denominator) * (lp_decimal_fixed: (decimal: #numerator) / (decimal: #denominator)));

/define_tag;

]

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