NewDec allocates and returns a new Dec set to the given int64 unscaled value and scale.

NewDecBig allocates and returns a new Dec set to the given *big.Int unscaled value and scale.

towards +infinity.

towards 0.

RoundExact is to be used in the case when rounding is not necessary.

towards -infinity.

to nearest; towards 0 if same distance.

to nearest; even last digit if same distance.

to nearest; away from 0 if same distance.

away from 0.

A Dec represents a signed arbitrary-precision decimal.

Rounder represents a method for rounding the (possibly infinite decimal) result of a division to a finite Dec.

Scale represents the type used for the scale of a Dec.