mulDiv
Unsigned multiply-divide with optional ceil.
(x * y) / d, or ceil. Token math in this SDK is integer-only. Full precision uses bigint — there is no intermediate overflow beyond JS bigint limits.
Import
import { mulDiv } from "@repo/contract-client/math";Usage
import { mulDiv } from "@repo/contract-client/math";
const down = mulDiv(x, y, d);
const up = mulDiv(x, y, d, true);Return Value
bigint
Parameters
x
- Type:
bigint
Non-negative.
mulDiv(x, y, d);y
- Type:
bigint
Non-negative.
denominator
- Type:
bigint
Must be > 0.
mulDiv(amount, 1_250_000n, 100_000_000n, true);ceil (optional)
- Type:
boolean - Default:
false
Round up when true.
mulDiv(x, y, d, true);Error
InvalidAmountError on signed inputs or denominator <= 0.