28 lines
701 B
JavaScript
28 lines
701 B
JavaScript
import {add, weightedAvg} from "./vector.js";
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const assert = (expected, actual) => {
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if (expected !== actual) {
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console.error(`fail: ${expected} !== ${actual}`);
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throw new Error('fail');
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}
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console.log(`${expected} === ${actual}`);
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};
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// add
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{
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const v1 = {x: 1, y: 1};
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const v = add(v1, v1, v1);
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assert('{"x":3,"y":3}', JSON.stringify(v));
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}
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// weightedAvg
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{
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const v1 = {x: 1, y: 1};
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const v2 = {x: -1, y: -1};
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const v3 = {x: 2, y: 2};
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assert('{"x":0,"y":0}', JSON.stringify(weightedAvg([[v1, 1], [v2, 1]])));
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assert('{"x":1,"y":1}', JSON.stringify(weightedAvg([[v1, 1], [v1, 1]])));
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assert('{"x":1.25,"y":1.25}', JSON.stringify(weightedAvg([[v1, 3], [v3, 1]])));
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}
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