Negative modulo

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Conventional implementation
function mmod(n, m) {
	return ((m % n) + n) % n;
}
ready
Optimised
function mmod(n, m) {
  const result = m % n;
  return result >= 0 ? result : result + n;
}
ready
Bitwise operations
function mmod(n, m) {
  const result = m % n;
  return result >= 0 ? result : (result + n) | 0;
}
ready

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