lumi

export function fmod(x, y) {
  return x % y;
}

export function pi() {
  return Math.PI;
}

export function sin(x) {
  return Math.sin(x);
}

export function cos(x) {
  return Math.cos(x);
}

export function atan(x) {
  return Math.atan(x);
}

export function atan2(y, x) {
  return Math.atan2(y, x);
}