quadraticMapping
quadraticMapping(
relativeAccuracy):IndexMapping
Defined in: packages/distillate/src/ddsketch/mapping.ts:461
A mapping that approximates log2 with a quadratic in the float’s significand: between linearMapping and cubicMapping in bins per accuracy. Matches sketches-java, the reference that has it.
Parameters
Section titled “Parameters”relativeAccuracy
Section titled “relativeAccuracy”number
Relative error bound, in (0, 1).
Returns
Section titled “Returns”Throws
Section titled “Throws”ParamError when relativeAccuracy is outside (0, 1), or
so small that no value is indexable.