math.signbit() function

math.signbit() reports whether x is negative or negative zero.

Function type signature
(x: float) => bool
For more information, see Function type signatures.



(Required) Value to evaluate.


Test if a value is negative

import "math"

math.signbit(x: -1.2)// true

Use math.signbit in map

import "math"

    |> map(fn: (r) => ({r with _value: math.signbit(x: r._value)}))

View example input and output

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