Commit 00412c8

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Openset

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Add: powx_n

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Original file line number	Diff line number	Diff line change
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`1`	`1`	`package powx_n`
	`2`	`+`
	`3`	`+import (`
	`4`	`+ "math"`
	`5`	`+ "testing"`
	`6`	`+)`
	`7`	`+`
	`8`	`+type caseType struct {`
	`9`	`+ x float64`
	`10`	`+ n int`
	`11`	`+ expected float64`
	`12`	`+}`
	`13`	`+`
	`14`	`+func TestMyPow(t *testing.T) {`
	`15`	`+ tests := [...]caseType{`
	`16`	`+ {`
	`17`	`+ x: 2.00000,`
	`18`	`+ n: 10,`
	`19`	`+ expected: 1024.00000,`
	`20`	`+ },`
	`21`	`+ {`
	`22`	`+ x: 2.10000,`
	`23`	`+ n: 3,`
	`24`	`+ expected: 9.26100,`
	`25`	`+ },`
	`26`	`+ {`
	`27`	`+ x: 2.00000,`
	`28`	`+ n: -2,`
	`29`	`+ expected: 0.25000,`
	`30`	`+ },`
	`31`	`+ }`
	`32`	`+`
	`33`	`+ for _, tc := range tests {`
	`34`	`+ output := myPow(tc.x, tc.n)`
	`35`	`+ output = math.Trunc(output*1e5) / 1e5`
	`36`	`+ if output != tc.expected {`
	`37`	`+ t.Fatalf("input: %v %v, output: %v, expected: %v", tc.x, tc.n, output, tc.expected)`
	`38`	`+ }`
	`39`	`+ }`
	`40`	`+}`

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