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Code Issues Projects Releases Packages Wiki Activity Actions 9

Libraries: Move to Userland/Libraries/

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Andreas Kling 2021-01-12 12:17:30 +01:00
commit 13d7c09125
Notes: sideshowbarker 2024-07-18 23:53:55 +09:00
1857 changed files with 266 additions and 274 deletions
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28
Libraries/LibJS/Tests/builtins/Math/Math.atan2.js
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test("basic functionality", () => {
expect(Math.atan2).toHaveLength(2);
expect(Math.atan2(90, 15)).toBeCloseTo(1.4056476493802699);
expect(Math.atan2(15, 90)).toBeCloseTo(0.16514867741462683);
expect(Math.atan2(+0, -0)).toBeCloseTo(Math.PI);
expect(Math.atan2(-0, -0)).toBeCloseTo(-Math.PI);
expect(Math.atan2(+0, +0)).toBe(0);
expect(Math.atan2(-0, +0)).toBe(-0);
expect(Math.atan2(+0, -1)).toBeCloseTo(Math.PI);
expect(Math.atan2(-0, -1)).toBeCloseTo(-Math.PI);
expect(Math.atan2(+0, 1)).toBe(0);
expect(Math.atan2(-0, 1)).toBe(-0);
expect(Math.atan2(-1, +0)).toBeCloseTo(-Math.PI / 2);
expect(Math.atan2(-1, -0)).toBeCloseTo(-Math.PI / 2);
expect(Math.atan2(1, +0)).toBeCloseTo(Math.PI / 2);
expect(Math.atan2(1, -0)).toBeCloseTo(Math.PI / 2);
expect(Math.atan2(1, -Infinity)).toBeCloseTo(Math.PI);
expect(Math.atan2(-1, -Infinity)).toBeCloseTo(-Math.PI);
expect(Math.atan2(1, +Infinity)).toBe(0);
expect(Math.atan2(-1, +Infinity)).toBe(-0);
expect(Math.atan2(+Infinity, 1)).toBeCloseTo(Math.PI / 2);
expect(Math.atan2(-Infinity, 1)).toBeCloseTo(-Math.PI / 2);
expect(Math.atan2(+Infinity, -Infinity)).toBeCloseTo((3 * Math.PI) / 4);
expect(Math.atan2(-Infinity, -Infinity)).toBeCloseTo((-3 * Math.PI) / 4);
expect(Math.atan2(+Infinity, +Infinity)).toBeCloseTo(Math.PI / 4);
expect(Math.atan2(-Infinity, +Infinity)).toBeCloseTo(-Math.PI / 4);
});