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