Commitc7cda09

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style: use simpler syntax express polynomials

Co-authored-by: appgurueu <34514239+appgurueu@users.noreply.github.com>

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-26

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-26

lines changed

Lines changed: 3 additions & 26 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,14 +1,7 @@`
`1`	`1`	`import{findRoot}from'../BisectionMethod'`
`2`	`2`
`3`	`3`	`test('Equation f(x) = x^2 - 3*x + 2 = 0, has root x = 1 in [a, b] = [0, 1.5]',()=>{`
`4`		`-constroot=findRoot(`
`5`		`-0,`
`6`		`-1.5,`
`7`		`-(x)=>{`
`8`		`-returnMath.pow(x,2)-3*x+2`
`9`		`-},`
`10`		`-8`
`11`		`-)`
	`4`	`+constroot=findRoot(0,1.5,(x)=>x*2-3x+2,8)`
`12`	`5`	`expect(root).toBe(0.9990234375)`
`13`	`6`	`})`
`14`	`7`
`@@ -37,26 +30,10 @@ test('Equation f(x) = sqrt(x) + e^(2x) - 8x = 0, has root x = 0.93945851 in [a`
`37`	`30`	`})`
`38`	`31`
`39`	`32`	`test('Equation f(x) = x^3 = 0, has root x = 0.0 in [a, b] = [-1.0, 1.0]',()=>{`
`40`		`-constroot=findRoot(`
`41`		`--1.0,`
`42`		`-1.0,`
`43`		`-(x)=>{`
`44`		`-returnMath.pow(x,3)`
`45`		`-},`
`46`		`-32`
`47`		`-)`
	`33`	`+constroot=findRoot(-1.0,1.0,(x)=>x**3,32)`
`48`	`34`	`expect(root).toBeCloseTo(0.0,5)`
`49`	`35`	`})`
`50`	`36`
`51`	`37`	`test('Throws an error when function does not change sign',()=>{`
`52`		`-expect(()=>`
`53`		`-findRoot(`
`54`		`--1.0,`
`55`		`-1.0,`
`56`		`-(x)=>{`
`57`		`-returnMath.pow(x,2)`
`58`		`-},`
`59`		`-10`
`60`		`-)`
`61`		`-).toThrowError()`
	`38`	`+expect(()=>findRoot(-1.0,1.0,(x)=>x**2,10)).toThrowError()`
`62`	`39`	`})`

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