# 10 examples of 'math pow golang' in Go

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``3func myPow(x float64, n int) float64 {4	if n < 0 {5		return 1.0 / pow(x, -n)6	}78	return pow(x, n)9}``
``249func Pow(x Node, power mat.Float) Node {250	return globalGraph.Pow(x, power)251}``
``147func pow(A mat.Matrix, F *mat.Dense, exp float64) {148	ar, ac := A.Dims()149	fr, fc := F.Dims()150	if ar != fr || ac != fc {151		panic(mat.ErrShape)152	}153	for i := 0; i < ar; i++ {154		for j := 0; j < ac; j++ {155			F.Set(i, j, math.Pow(A.At(i, j), exp))156		}157158	}159}``
``7func Pow(a, b float64) float64 {8	return math.Pow(a, b)9}``
``128func pow2(x uint32) uint32 {129	x--130	x |= x >> 1131	x |= x >> 2132	x |= x >> 4133	x |= x >> 8134	x |= x >> 16135	return x + 1136}``
``9func Pow(x, y float64) float64 {10	return math.Pow(x, y)11}``
``406func (gf *BuiltInFunctions) Pow(x, y float64) float64 {407	return math.Pow(x, y)408}``
``161func Pow(x, y Floater) float64 {162	return math.Pow(x.Float(), y.Float())163}``
``72func PowF64(a float64, b float64) float64           { return math.Pow(a, b) }``
``94func (e Engine) pow(ctx ExecutionContext, left, right types.Value) (types.Value, error) {95	defer e.profiler.Enter("pow").Exit()9697	if left == nil || right == nil {98		return nil, fmt.Errorf("cannot exponentiate %T and %T", left, right)99	}100101	if exponentiator, ok := left.Type().(types.ArithmeticExponentiator); ok {102		result, err := exponentiator.Pow(left, right)103		if err != nil {104			return nil, fmt.Errorf("pow: %w", err)105		}106		return result, nil107	}108	return nil, fmt.Errorf("%v does not support exponentiation", left.Type())109}``