math.expm1() function

The math.expm1() function returns e**x - 1, the base-e exponential of x minus 1. It is more accurate than math.exp(x:x) - 1 when x is near zero.

Output data type: Float

import "math"

math.expm1(x: 1.22)

// Returns 2.3871877336213343



The value used in the operation.

Data type: Float

Special cases

math.expm1(+Inf) // Returns +Inf
math.expm1(-Inf) // Returns -1
math.expm1(NaN)  // Returns NaN

Very large values overflow to -1 or +Inf.

Cloud or OSS?

InfluxDB OSS 2.0 now generally available!

InfluxDB OSS 2.0 is now generally available and ready for production use. See the InfluxDB OSS 2.0 release notes.

For information about upgrading to InfluxDB OSS 2.0, see: