[math_roundto]

Description

Given two numbers, rounds the first number to the closest multiple of the second number.

Sample Usage

math_roundto(51, 5);

-> 50

math_roundto(53, 5);

-> 55

Source Code

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define_tag(
	'roundto',
	-namespace='math_',
	-req='n',
	-req='m',
	-priority='replace',
	-description='Rounds the first number to the closest multiple of the second number.'
);
	local('nxt') = #n - (#n % #m) + #m;
	local('lst') = #nxt - #m;
	local('avg') = (#nxt + #lst) / 2.0;
	
	if(#n % #m);
		local('out') = (#n >= #avg ? #nxt | #lst);
	else;
		local('out') = #n;
	/if;
	
	return(#out);
/define_tag;

Related Tags

• math_bearing

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