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提交 5d05f53b 编写于 作者: M mahaifeng
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[math]去除文档中手动生成的代码，添加注释

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uni_modules/uts-tests/utssdk/Math.uts
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import { describe, test, expect,expectNumber, Result } from './tests.uts'
export function testMath(): Result {
return describe("Math", () => {
test('E', () => {
function getNapier():number {
return Math.E
}
expect(getNapier()).toEqual(2.718281828459045);
})
test('LN10', () => {
function getNatLog10():number {
return Math.LN10;
}
expect(getNatLog10()).toEqual(2.302585092994046);
})
test('LN2', () => {
function getNatLog2():number {
return Math.LN2;
}
expect(getNatLog2()).toEqual(0.6931471805599453);
})
test('LOG10E', () => {
function getLog10e():number {
return Math.LOG10E;
}
expect(getLog10e()).toEqual(0.4342944819032518);
})
test('LOG2E', () => {
function getLog2e():number {
return Math.LOG2E;
}
expect(getLog2e()).toEqual(1.4426950408889634);
})
test('PI', () => {
function calculateCircumference (radius:number):number {
return 2 * Math.PI * radius;
}
expect(calculateCircumference(1)).toEqual(6.283185307179586);
})
test('SQRT1_2', () => {
function getRoot1_2():number {
return Math.SQRT1_2;
}
expect(getRoot1_2()).toEqual(0.7071067811865476);
})
test('SQRT2', () => {
function getRoot2():number {
return Math.SQRT2;
}
expect(getRoot2()).toEqual(1.4142135623730951);
})
test('abs', () => {
function difference(a:number, b:number):number {
return Math.abs(a - b);
}
expect(difference(3, 5)).toEqual(2);
expect(difference(5, 3)).toEqual(2);
expect(difference(1.23456, 7.89012)).toEqual(6.6555599999999995);
})
test('acos', () => {
expect(Math.acos(-1)).toEqual(3.141592653589793);
expect(Math.acos(0)).toEqual(1.5707963267948966);
// 解决精度问题
expect(Math.acos(1)).toEqual(0.0);
})
test('acosh', () => {
// 解决精度问题
expect(Math.acosh(1)).toEqual(0.0);
expectNumber(Math.acosh(2)).toEqualDouble(1.3169578969248166);
expectNumber(Math.acosh(2.5)).toEqualDouble(1.566799236972411);
})
test('asin', () => {
expect(Math.asin(-1)).toEqual(-1.5707963267948966);
// 解决精度问题
expect(Math.asin(0)).toEqual(0.0);
// expect(Math.asin(0.5)).toEqual(0.5235987755982989);
expect(Math.asin(1)).toEqual(1.5707963267948966);
})
test('asinh', () => {
expectNumber(Math.asinh(1)).toEqualDouble(0.881373587019543);
expectNumber(Math.asinh(0)).toEqualDouble(0);
expectNumber(Math.asinh(-1)).toEqualDouble(-0.881373587019543);
expectNumber(Math.asinh(2)).toEqualDouble(1.4436354751788103);
})
test('atan', () => {
expect(Math.atan(1)).toEqual(0.7853981633974483);
// 解决精度问题
expect(Math.atan(0)).toEqual(0.0);
})
test('atan2', () => {
expect(Math.atan2(90, 15)).toEqual(1.4056476493802699);
expect(Math.atan2(15, 90)).toEqual(0.16514867741462683);
})
test('atanh', () => {
// 解决精度问题
expect(Math.atanh(0)).toEqual(0.0);
// expect(Math.atanh(0.5)).toEqual(0.5493061443340548);
})
test('cbrt', () => {
// expect(Math.cbrt(-1)).toEqual(-1);
// expect(Math.cbrt(0)).toEqual(0);
// expect(Math.cbrt(1)).toEqual(1);
// expect(Math.cbrt(2)).toEqual(1.2599210498948732);
})
test('ceil', () => {
expect(Math.ceil(0.95)).toEqual(1);
expect(Math.ceil(4)).toEqual(4);
expect(Math.ceil(7.004)).toEqual(8);
expect(Math.ceil(-7.004)).toEqual(-7);
expect(Math.ceil(37110233000.223)).toEqual(37110233001);
expect(Math.ceil(-37110233000.223)).toEqual(-37110233000);
})
test('clz32', () => {
expect(Math.clz32(1)).toEqual(31);
expect(Math.clz32(1000)).toEqual(22);
expect(Math.clz32(0)).toEqual(32);
expect(Math.clz32(3.5)).toEqual(30);
})
test('cos', () => {
expect(Math.cos(0)).toEqual(1.0);
expect(Math.cos(1)).toEqual(0.5403023058681398);
})
test('cosh', () => {
// 解决精度问题
expect(Math.cosh(0)).toEqual(1.0);
expectNumber(Math.cosh(1)).toEqualDouble(1.5430806348152437);
expectNumber(Math.cosh(-1)).toEqualDouble(1.5430806348152437);
})
test('exp', () => {
expectNumber(Math.exp(-1)).toEqualDouble(0.36787944117144233);
// 解决精度问题
expect(Math.exp(0)).toEqual(1.0);
expectNumber(Math.exp(1)).toEqualDouble(2.718281828459045);
})
test('expm1', () => {
expectNumber(Math.expm1(1)).toEqualDouble(1.718281828459045);
expectNumber(Math.expm1(-38)).toEqualDouble(-1);
})
test('floor', () => {
expect(Math.floor(5.95)).toEqual(5);
expect(Math.floor(5.05)).toEqual(5);
expect(Math.floor(5)).toEqual(5);
expect(Math.floor(-5.05)).toEqual(-6);
expect(Math.floor(37110233000.223)).toEqual(37110233000);
expect(Math.floor(-37110233000.223)).toEqual(-37110233001);
})
test('fround', () => {
expect(Math.fround(1.5)).toEqual(1.5);
expectNumber(Math.fround(1.337)).toEqualDouble(1.3370000123977661);
})
// test('hypot', () => {
// expect(Math.hypot(3, 4)).toEqual(5);
// expect(Math.hypot(5, 12)).toEqual(13);
// expect(Math.hypot(3, 4, 5)).toEqual(7.0710678118654755);
// expect(Math.hypot(-5)).toEqual(5);
// })
// test('imul', () => {
// expect(Math.imul(3, 4)).toEqual(12);
// expect(Math.imul(-5, 12)).toEqual(-60);
// })
test('log', () => {
// 解决精度问题
expect(Math.log(1)).toEqual(0.0);
expect(Math.log(10)).toEqual(2.302585092994046);
})
test('log10', () => {
// 解决精度问题
expect(Math.log10(10)).toEqual(1.0);
expect(Math.log10(100)).toEqual(2.0);
expect(Math.log10(1)).toEqual(0.0);
})
test('log1p', () => {
// 解决精度问题
expect(Math.log1p(Math.E - 1)).toEqual(1.0);
expect(Math.log1p(0)).toEqual(0.0);
})
test('log2', () => {
// 解决精度问题
expect(Math.log2(2)).toEqual(1.0);
expect(Math.log2(1024)).toEqual(10.0);
expect(Math.log2(1)).toEqual(0.0);
})
test('max', () => {
expect(Math.max(1, 3, 2)).toEqual(3);
expect(Math.max(-1, -3, -2)).toEqual(-1);
})
test('min', () => {
expect(Math.min(2, 3, 1)).toEqual(1);
expect(Math.min(-2, -3, -1)).toEqual(-3);
})
test('pow', () => {
expectNumber(Math.pow(7, 3)).toEqualDouble(343);
expectNumber(Math.pow(4, 0.5)).toEqualDouble(2);
})
test('random', () => {
function getRandomInt(max:number):number {
return Math.floor(Math.random() * max);
}
expect(getRandomInt(getRandomInt(1))).toEqual(0);
})
test('sign', () => {
expect(Math.sign(3)).toEqual(1);
expect(Math.sign(-3)).toEqual(-1);
expect(Math.sign(0)).toEqual(0);
})
test('sin', () => {
// 解决精度问题
expect(Math.sin(0)).toEqual(0.0);
expect(Math.sin(1)).toEqual(0.8414709848078965);
})
test('sinh', () => {
// 解决精度问题
expect(Math.sinh(0)).toEqual(0.0);
expect(Math.sinh(1)).toEqual(1.1752011936438014);
})
test('sqrt', () => {
function calcHypotenuse(a:number, b:number):number {
return (Math.sqrt((a * a) + (b * b)));
}
// 解决精度问题
expect(calcHypotenuse(3, 4)).toEqual(5.0);
expect(calcHypotenuse(5, 12)).toEqual(13.0);
expect(calcHypotenuse(0, 0)).toEqual(0.0);
})
test('tan', () => {
// 解决精度问题
expect(Math.tan(0)).toEqual(0.0);
// expect(Math.tan(1)).toEqual(1.5574077246549023);
})
test('tanh', () => {
expect(Math.tanh(-1)).toEqual(-0.7615941559557649);
// 解决精度问题
expect(Math.tanh(0)).toEqual(0.0);
expect(Math.tanh(1)).toEqual(0.7615941559557649);
})
test('trunc', () => {
expect(Math.trunc(13.37)).toEqual(13);
expect(Math.trunc(42.84)).toEqual(42);
expect(Math.trunc(0.123)).toEqual(0);
})
test('round', () => {
expect(Math.round(0.9)).toEqual(1);
expect(Math.round(5.95)).toEqual(6);
expect(Math.round(-5.05)).toEqual(-5);
expect(Math.round(37110233000.223)).toEqual(37110233000);
expect(Math.round(-37110233000.223)).toEqual(-37110233000);
})
})
}
import { describe, test, expect, expectNumber, Result } from './tests.uts'
export function testMath() : Result {
return describe("Math", () => {
test('E', () => {
// #TEST Math.E
function getNapier() : number {
return Math.E
}
console.log(getNapier());
// expected output: 2.718281828459045
// #END
expect(getNapier()).toEqual(2.718281828459045);
})
test('LN10', () => {
// #TEST Math.LN10
function getNatLog10() : number {
return Math.LN10;
}
console.log(getNatLog10());
// expected output: 2.302585092994046
// #END
expect(getNatLog10()).toEqual(2.302585092994046);
})
test('LN2', () => {
// #TEST Math.LN2
function getNatLog2() : number {
return Math.LN2;
}
console.log(getNatLog2());
// expected output: 0.6931471805599453
// #END
expect(getNatLog2()).toEqual(0.6931471805599453);
})
test('LOG10E', () => {
// #TEST Math.LOG10E
function getLog10e() : number {
return Math.LOG10E;
}
console.log(getLog10e());
// expected output: 0.4342944819032518
// #END
expect(getLog10e()).toEqual(0.4342944819032518);
})
test('LOG2E', () => {
// #TEST Math.LOG2E
function getLog2e() : number {
return Math.LOG2E;
}
console.log(getLog2e());
// expected output: 1.4426950408889634
// #END
expect(getLog2e()).toEqual(1.4426950408889634);
})
test('PI', () => {
// #TEST Math.PI
function calculateCircumference(radius : number) : number {
return 2 * Math.PI * radius;
}
console.log(calculateCircumference(1));
// expected output: 6.283185307179586
// #END
expect(calculateCircumference(1)).toEqual(6.283185307179586);
})
test('SQRT1_2', () => {
// #TEST Math.SQRT1_2
function getRoot1_2() : number {
return Math.SQRT1_2;
}
console.log(getRoot1_2());
// expected output: 0.7071067811865476
// #END
expect(getRoot1_2()).toEqual(0.7071067811865476);
})
test('SQRT2', () => {
// #TEST Math.SQRT2
function getRoot2() : number {
return Math.SQRT2;
}
console.log(getRoot2());
// expected output: 1.4142135623730951
// #END
expect(getRoot2()).toEqual(1.4142135623730951);
})
test('abs', () => {
// #TEST Math.abs
function difference(a : number, b : number) : number {
return Math.abs(a - b);
}
console.log(difference(3, 5));
// expected output: 2
console.log(difference(5, 3));
// expected output: 2
console.log(difference(1.23456, 7.89012));
// expected output: 6.6555599999999995
// #END
expect(difference(3, 5)).toEqual(2);
expect(difference(5, 3)).toEqual(2);
expect(difference(1.23456, 7.89012)).toEqual(6.6555599999999995);
})
test('acos', () => {
// #TEST Math.acos
console.log(Math.acos(-1));
// expected output: 3.141592653589793
console.log(Math.acos(NaN));
// expected output: NaN
console.log(Math.acos(0));
// expected output: 1.5707963267948966
console.log(Math.acos(1));
// expected output: 0
// #END
// 解决精度问题
expect(Math.acos(-1)).toEqual(3.141592653589793);
expect(Math.acos(NaN)).toEqual(NaN);
expect(Math.acos(0)).toEqual(1.5707963267948966);
expect(Math.acos(1)).toEqual(0);
})
test('acosh', () => {
// #TEST Math.acosh
console.log(Math.acosh(1));
// expected output: 0
console.log(Math.acosh(NaN));
// expected output: NaN
console.log(Math.acosh(2));
// expected output: 1.3169578969248166
console.log(Math.acosh(2.5));
// expected output: 1.566799236972411
// #END
// 解决精度问题
expect(Math.acosh(1)).toEqual(0);
expect(Math.acosh(NaN)).toEqual(NaN);
expectNumber(Math.acosh(2)).toEqualDouble(1.3169578969248166);
expectNumber(Math.acosh(2.5)).toEqualDouble(1.566799236972411);
})
test('asin', () => {
// #TEST Math.asin
console.log(Math.asin(NaN));
// expected output: NaN
console.log(Math.asin(-1));
// expected output: -1.5707963267948966
console.log(Math.asin(0));
// expected output: 0
// console.log(Math.asin(0.5));
// expected output: 0.5235987755982989
console.log(Math.asin(1));
// expected output: 1.5707963267948966
// #END
// 解决精度问题
expect(Math.asin(NaN)).toEqual(NaN);
expect(Math.asin(-1)).toEqual(-1.5707963267948966);
// expect(Math.asin(0.5)).toEqual(0.5235987755982989);
expect(Math.asin(0)).toEqual(0);
expect(Math.asin(1)).toEqual(1.5707963267948966);
})
test('asinh', () => {
// #TEST Math.asinh
console.log(Math.asinh(NaN));
// expected output: NaN
console.log(Math.asinh(1));
// expected output: 0.881373587019543
console.log(Math.asinh(0));
// expected output: 0
console.log(Math.asinh(-1));
// expected output: -0.881373587019543
console.log(Math.asinh(2));
// expected output: 1.4436354751788103
// #END
// 解决精度问题
expect(Math.asinh(NaN)).toEqual(NaN);
expectNumber(Math.asinh(1)).toEqualDouble(0.881373587019543);
expectNumber(Math.asinh(0)).toEqualDouble(0);
expectNumber(Math.asinh(-1)).toEqualDouble(-0.881373587019543);
expectNumber(Math.asinh(2)).toEqualDouble(1.4436354751788103);
})
test('atan', () => {
// #TEST Math.atan
console.log(Math.atan(NaN));
// expected output: NaN
console.log(Math.atan(1));
// expected output: 0.7853981633974483
console.log(Math.atan(0));
// expected output: 0
// #END
// 解决精度问题
expect(Math.atan(NaN)).toEqual(NaN);
expect(Math.atan(1)).toEqual(0.7853981633974483);
expect(Math.atan(0)).toEqual(0);
})
test('atan2', () => {
// #TEST Math.atan2
console.log(Math.atan2(90, 15));
// expected output: 1.4056476493802699
console.log(Math.atan2(15, 90));
// expected output: 0.16514867741462683
// #END
expect(Math.atan2(90, 15)).toEqual(1.4056476493802699);
expectNumber(Math.atan2(15, 90)).toEqualDouble(0.16514867741462683);
})
test('atanh', () => {
// #TEST Math.atanh
console.log(Math.atanh(NaN));
// expected output: NaN
console.log(Math.atanh(0));
// expected output: 0
// #END
// 解决精度问题
expect(Math.atanh(NaN)).toEqual(NaN);
expect(Math.atanh(0)).toEqual(0);
// expect(Math.atanh(0.5)).toEqual(0.5493061443340548);
})
test('cbrt', () => {
// expect(Math.cbrt(-1)).toEqual(-1);
// expect(Math.cbrt(0)).toEqual(0);
// expect(Math.cbrt(1)).toEqual(1);
// expect(Math.cbrt(2)).toEqual(1.2599210498948732);
})
test('ceil', () => {
// #TEST Math.ceil
console.log(Math.ceil(0.95));
// expected output: 1
console.log(Math.ceil(NaN));
// expected output: NaN
console.log(Math.ceil(4));
// expected output: 4
console.log(Math.ceil(7.004));
// expected output: 8
console.log(Math.ceil(-7.004));
// expected output: -7
console.log(Math.ceil(37110233000.223));
// expected output: 37110233001
console.log(Math.ceil(-37110233000.223));
// expected output: -37110233000
// #END
expect(Math.ceil(0.95)).toEqual(1);
expect(Math.ceil(NaN)).toEqual(NaN);
expect(Math.ceil(4)).toEqual(4);
expect(Math.ceil(7.004)).toEqual(8);
expect(Math.ceil(-7.004)).toEqual(-7);
expect(Math.ceil(37110233000.223)).toEqual(37110233001);
expect(Math.ceil(-37110233000.223)).toEqual(-37110233000);
})
test('clz32', () => {
// #TEST Math.clz32
console.log(Math.clz32(1000));
// expected output: 22
// #END
expect(Math.clz32(NaN)).toEqual(32);
expect(Math.clz32(1)).toEqual(31);
expect(Math.clz32(1000)).toEqual(22);
expect(Math.clz32(0)).toEqual(32);
expect(Math.clz32(3.5)).toEqual(30);
})
test('cos', () => {
// #TEST Math.cos
console.log(Math.cos(0));
// expected output: 1.0
console.log(Math.cos(1));
// expected output: 0.5403023058681398
// #END
// 解决精度问题
expect(Math.cos(0)).toEqual(1.0);
expect(Math.cos(1)).toEqual(0.5403023058681398);
})
test('cosh', () => {
// #TEST Math.cosh
console.log(Math.cosh(0));
// expected output: 1.0
console.log(Math.cosh(1));
// expected output: 1.5430806348152437
console.log(Math.cosh(-1));
// expected output: 1.5430806348152437
// #END
// 解决精度问题
expect(Math.cosh(0)).toEqual(1.0);
expectNumber(Math.cosh(1)).toEqualDouble(1.5430806348152437);
expectNumber(Math.cosh(-1)).toEqualDouble(1.5430806348152437);
})
test('exp', () => {
// #TEST Math.exp
console.log(Math.exp(-1));
// expected output: 0.36787944117144233
console.log(Math.exp(0));
// expected output: 1.0
console.log(Math.exp(1));
// expected output: 2.718281828459045
// #END
// 解决精度问题
expectNumber(Math.exp(-1)).toEqualDouble(0.36787944117144233);
expect(Math.exp(0)).toEqual(1.0);
expectNumber(Math.exp(1)).toEqualDouble(2.718281828459045);
})
test('expm1', () => {
// #TEST Math.expm1
console.log(Math.expm1(1));
// expected output: 1.718281828459045
console.log(Math.expm1(-38));
// expected output: -1
// #END
expectNumber(Math.expm1(1)).toEqualDouble(1.718281828459045);
expectNumber(Math.expm1(-38)).toEqualDouble(-1);
})
test('floor', () => {
// #TEST Math.floor
console.log(Math.floor(5.95));
// expected output: 5
console.log(Math.floor(5.05));
// expected output: 5
console.log(Math.floor(5));
// expected output: 5
console.log(Math.floor(-5.05));
// expected output: -6
console.log(Math.floor(37110233000.223));
// expected output: 37110233000
console.log(Math.floor(-37110233000.223));
// expected output: -37110233001
// #END
// 解决精度问题
expect(Math.floor(5.95)).toEqual(5);
expect(Math.floor(5.05)).toEqual(5);
expect(Math.floor(5)).toEqual(5);
expect(Math.floor(-5.05)).toEqual(-6);
expect(Math.floor(37110233000.223)).toEqual(37110233000);
expect(Math.floor(-37110233000.223)).toEqual(-37110233001);
})
test('fround', () => {
// #TEST Math.fround
console.log(Math.fround(NaN));
// expected output: NaN
console.log(Math.fround(1.5));
// expected output: 1.5
console.log(Math.fround(1.337));
// expected output: 1.3370000123977661
// #END
// 解决精度问题
expect(Math.fround(NaN)).toEqual(NaN);
expect(Math.fround(1.5)).toEqual(1.5);
expectNumber(Math.fround(1.337)).toEqualDouble(1.3370000123977661);
})
// test('hypot', () => {
// expect(Math.hypot(3, 4)).toEqual(5);
// expect(Math.hypot(5, 12)).toEqual(13);
// expect(Math.hypot(3, 4, 5)).toEqual(7.0710678118654755);
// expect(Math.hypot(-5)).toEqual(5);
// })
// test('imul', () => {
// expect(Math.imul(3, 4)).toEqual(12);
// expect(Math.imul(-5, 12)).toEqual(-60);
// })
test('log', () => {
// #TEST Math.log
console.log(Math.log(1));
// expected output: 0.0
console.log(Math.log(10));
// expected output: 2.302585092994046
// #END
// 解决精度问题
expect(Math.log(1)).toEqual(0.0);
expect(Math.log(10)).toEqual(2.302585092994046);
})
test('log10', () => {
// #TEST Math.log10
console.log(Math.log10(10));
// expected output: 1
console.log(Math.log10(100));
// expected output: 2
console.log(Math.log10(1));
// expected output: 0
// #END
// 解决精度问题
expect(Math.log10(10)).toEqual(1.0);
expect(Math.log10(100)).toEqual(2.0);
expect(Math.log10(1)).toEqual(0.0);
})
test('log1p', () => {
// #TEST Math.log1p
console.log(Math.log1p(Math.E - 1));
// expected output: 1.0
console.log(Math.log1p(0));
// expected output: 0.0
// 解决精度问题
// #END
expect(Math.log1p(Math.E - 1)).toEqual(1.0);
expect(Math.log1p(0)).toEqual(0.0);
})
test('log2', () => {
// #TEST Math.log2
console.log(Math.log2(2));
// expected output: 1.0
console.log(Math.log2(1024));
// expected output: 10.0
console.log(Math.log2(1));
// expected output: 0.0
// 解决精度问题
// #END
expect(Math.log2(2)).toEqual(1.0);
expect(Math.log2(1024)).toEqual(10.0);
expect(Math.log2(1)).toEqual(0.0);
})
test('max', () => {
// #TEST Math.max
console.log(Math.max(1, 3, 2));
// expected output: 3
console.log(Math.max(-1, -3, -2));
// expected output: -1
// #END
expect(Math.max(1, 3, 2)).toEqual(3);
expect(Math.max(-1, -3, -2)).toEqual(-1);
})
test('min', () => {
// #TEST Math.min
console.log(Math.min(2, 3, 1));
// expected output: 1
console.log(Math.min(-2, -3, -1));
// expected output: -3
// #END
expect(Math.min(2, 3, 1)).toEqual(1);
expect(Math.min(-2, -3, -1)).toEqual(-3);
})
test('pow', () => {
// #TEST Math.pow
console.log(Math.pow(7, 3));
// expected output: 343
console.log(Math.pow(4, 0.5));
// expected output: 2
// #END
expectNumber(Math.pow(7, 3)).toEqualDouble(343);
expectNumber(Math.pow(4, 0.5)).toEqualDouble(2);
})
test('random', () => {
// #TEST Math.random
function getRandomInt(max : number) : number {
return Math.floor(Math.random() * max);
}
console.log(getRandomInt(getRandomInt(1)));
// expected output: 0
// #END
expect(getRandomInt(getRandomInt(1))).toEqual(0);
})
test('sign', () => {
// #TEST Math.sign
console.log(Math.sign(3));
// expected output: 1
console.log(Math.sign(-3));
// expected output: -1
console.log(Math.sign(0));
// expected output: 0
// #END
expect(Math.sign(3)).toEqual(1);
expect(Math.sign(-3)).toEqual(-1);
expect(Math.sign(0)).toEqual(0);
})
test('sin', () => {
// #TEST Math.sin
console.log(Math.sin(0));
// expected output: 0.0
console.log(Math.sin(1));
// expected output: 0.8414709848078965
// #END
// 解决精度问题
expect(Math.sin(0)).toEqual(0.0);
expect(Math.sin(1)).toEqual(0.8414709848078965);
})
test('sinh', () => {
// #TEST Math.sinh
console.log(Math.sinh(0));
// expected output: 0.0
console.log(Math.sinh(1));
// expected output: 1.1752011936438014
// #END
// 解决精度问题
expect(Math.sinh(0)).toEqual(0.0);
expect(Math.sinh(1)).toEqual(1.1752011936438014);
})
test('sqrt', () => {
// #TEST Math.sqrt
function calcHypotenuse(a : number, b : number) : number {
return (Math.sqrt((a * a) + (b * b)));
}
console.log(calcHypotenuse(3, 4));
// expected output: 5.0
console.log(calcHypotenuse(5, 12));
// expected output: 13.0
console.log(calcHypotenuse(0, 0));
// expected output: 0.0
// #END
// 解决精度问题
expect(calcHypotenuse(3, 4)).toEqual(5.0);
expect(calcHypotenuse(5, 12)).toEqual(13.0);
expect(calcHypotenuse(0, 0)).toEqual(0.0);
})
test('tan', () => {
// #TEST Math.tan
console.log(Math.tan(0));
// expected output: 0.0
// console.log(Math.tan(1));
// expected output: 1.5574077246549023
// #END
// 解决精度问题
expect(Math.tan(0)).toEqual(0.0);
// expect(Math.tan(1)).toEqual(1.5574077246549023);
})
test('tanh', () => {
// #TEST Math.tanh
console.log(Math.tanh(-1));
// expected output: -0.7615941559557649
console.log(Math.tanh(0));
// expected output: 0.0
console.log(Math.tanh(1));
// expected output: 0.7615941559557649
// #END
// 解决精度问题
expect(Math.tanh(-1)).toEqual(-0.7615941559557649);
expect(Math.tanh(0)).toEqual(0.0);
expect(Math.tanh(1)).toEqual(0.7615941559557649);
})
test('trunc', () => {
// #TEST Math.trunc
console.log(Math.trunc(13.37));
// expected output: 13
console.log(Math.trunc(42.84));
// expected output: 42
console.log(Math.trunc(0.123));
// expected output: 0
// #END
// 解决精度问题
expect(Math.trunc(13.37)).toEqual(13);
expect(Math.trunc(42.84)).toEqual(42);
expect(Math.trunc(0.123)).toEqual(0);
})
test('round', () => {
// #TEST Math.round
console.log(Math.round(NaN));
// expected output: NaN
console.log(Math.round(Math.E));
// expected output: 3
console.log(Math.round(Number.MAX_VALUE));
// expected output: 1.7976931348623157e+308
console.log(Math.round(Number.MIN_VALUE));
// expected output: 0
console.log(Math.round(Number.NEGATIVE_INFINITY));
// expected output: -Infinity
console.log(Math.round(Number.POSITIVE_INFINITY));
// expected output: Infinity
console.log(Math.round(0.9));
// expected output: 1
console.log(Math.round(5.95));
// expected output: 6
console.log(Math.round(-5.05));
// expected output: -5
console.log(Math.round(37110233000.223));
// expected output: 37110233000
console.log(Math.round(-37110233000.223));
// expected output: -37110233000
// #END
expect(Math.round(NaN)).toEqual(NaN);
expect(Math.round(Math.E)).toEqual(3);
expectNumber(Math.round(Number.MAX_VALUE)).toEqualDouble(1.7976931348623157e+308);
expect(Math.round(Number.MIN_VALUE)).toEqual(0);
expect(Math.round(Number.NEGATIVE_INFINITY)).toEqual(-Infinity);
expect(Math.round(Number.POSITIVE_INFINITY)).toEqual(Infinity);
expect(Math.round(0.9)).toEqual(1);
expect(Math.round(5.95)).toEqual(6);
expect(Math.round(-5.05)).toEqual(-5);
expect(Math.round(37110233000.223)).toEqual(37110233000);
expect(Math.round(-37110233000.223)).toEqual(-37110233000);
})
})
}
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