docs-v2/content/v2.0/reference/flux/functions/math/lgamma.md

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math.lgamma() function	The math.lgamma() function returns the natural logarithm and sign (-1 or +1) of `math.gamma(x:x)`.	v2_0_ref name parent math.lgamma Math	301

The math.lgamma() function returns the natural logarithm and sign (-1 or +1) of math.gamma(x:x).

Output data format: Object

import "math"

math.lgamma(x: 3.14)

// Returns {lgamma: 0.8261387047770286, sign: 1}

Parameters

x

The value used in the operation.

Data type: Float

Special cases

math.lgamma(x: +Inf)     // Returns +Inf
math.lgamma(x: 0)        // Returns +Inf
math.lgamma(x: -integer) // Returns +Inf
math.lgamma(x: -Inf)     // Returns -Inf
math.lgamma(x: NaN)      // Returns NaN