Documentation

math.mInf() function

math.mInf() returns positive infinity if sign >= 0, negative infinity if sign < 0.

Function type signature
(sign: int) => float

For more information, see Function type signatures.

Parameters

sign

(Required) Value to operate on.

Examples

Return an infinity float value from a positive or negative sign value

import "math"

math.mInf(sign: 1)// +Inf

Use math.mInf in map

import "sampledata"
import "math"

sampledata.int()
    |> map(fn: (r) => ({r with _value: math.mInf(sign: r._value)}))

View example input and output


Was this page helpful?

Thank you for your feedback!


New in InfluxDB 3.6

Key enhancements in InfluxDB 3.6 and the InfluxDB 3 Explorer 1.4.

See the Blog Post

InfluxDB 3.6 is now available for both Core and Enterprise. This release introduces the 1.4 update to InfluxDB 3 Explorer, featuring the beta launch of Ask AI, along with new capabilities for simple startup and expanded functionality in the Processing Engine.

For more information, check out:

InfluxDB Docker latest tag changing to InfluxDB 3 Core

On February 3, 2026, the latest tag for InfluxDB Docker images will point to InfluxDB 3 Core. To avoid unexpected upgrades, use specific version tags in your Docker deployments.

If using Docker to install and run InfluxDB, the latest tag will point to InfluxDB 3 Core. To avoid unexpected upgrades, use specific version tags in your Docker deployments. For example, if using Docker to run InfluxDB v2, replace the latest version tag with a specific version tag in your Docker pull command–for example:

docker pull influxdb:2