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LibJS: Add Math.atan()

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This commit is contained in:
Andreas Kling 2020-12-08 09:52:33 +01:00
parent fe3963f3d4
commit 63b748642a
4 changed files with 29 additions and 0 deletions
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12
Libraries/LibJS/Tests/builtins/Math/Math.atan.js Normal file
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test("basic functionality", () => {
expect(Math.atan).toHaveLength(1);
expect(Math.atan(0)).toBe(0);
expect(Math.atan(-0)).toBe(-0);
expect(Math.atan(NaN)).toBeNaN();
expect(Math.atan(-2)).toBeCloseTo(-1.1071487177940904);
expect(Math.atan(2)).toBeCloseTo(1.1071487177940904);
expect(Math.atan(Infinity)).toBeCloseTo(Math.PI / 2);
expect(Math.atan(-Infinity)).toBeCloseTo(-Math.PI / 2);
expect(Math.atan(0.5)).toBeCloseTo(0.4636476090008061);
});