getRadian

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getRadian

说明
 角度转弧度
源码
​https://github.com/ddzy/ts-utility-plugins/tree/master/src/ddzy/utility/number/getRadian​
用法
getRadian.test.ts
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import { getRadian } from "../../utility/number/getRadian";
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​
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describe('getRadian', () => {
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  test('getRadian should receive an angle and convert it to radian', () => {
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    const origin = [
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      0,
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      78,
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      90,
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      180,
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      360
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    ];
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    const expected = [
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      0,
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      1.361356816555577,
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      1.5707963267948966,
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      3.141592653589793,
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      6.283185307179586,
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    ];
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    const result: number[] = [];
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​
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    for (const v of origin) {
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      result.push(getRadian(v));
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    }
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​
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    for (const [i, v] of result.entries()) {
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      expect(v === expected[i]).toBeTruthy();
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    }
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  });
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});
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