math.ldexp() function
math.ldexp() is the inverse of math.frexp(). It returns frac x 2**exp.
Function type signature
(exp: int, frac: float) => float
For more information, see Function type signatures.
Parameters
frac
(Required) Fraction to use in the operation.
exp
(Required) Exponent to use in the operation.
Examples
Return the inverse of math.frexp
import "math"
math.ldexp(frac: 0.5, exp: 6)// 32.0
Use math.ldexp in map
import "math"
data
|> map(fn: (r) => ({_time: r._time, tag: r.tag, _value: math.ldexp(frac: r.frac, exp: r.exp)}))
Was this page helpful?
Thank you for your feedback!
Support and feedback
Thank you for being part of our community! We welcome and encourage your feedback and bug reports for Flux and this documentation. To find support, use the following resources:
Customers with an annual or support contract can contact InfluxData Support.