gx

chenyc

2025-02-12 ea42ff3ebee1eeb3fb29423aa848a249441db81c

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export function euclideanDistance(arr1: number[] | Float32Array, arr2: number[] | Float32Array) {
  if (arr1.length !== arr2.length) throw new Error('euclideanDistance: arr1.length !== arr2.length');
  const desc1 = Array.from(arr1);
  const desc2 = Array.from(arr2);
  return Math.sqrt(
    desc1
      .map((val, i) => val - desc2[i])
      .reduce((res, diff) => res + (diff * diff), 0),
  );
}